Kai Liu's Publications

Publications

Kai Liu

Refereed Journal Publications (PDF files require journal subscription):

162.	Gong Chen, Colin Ophus, Alberto Quintana, Heeyoung Kwon, Changyeon Won, Haifeng Ding, Yizheng Wu, Andreas Schmid, Kai Liu, "Reversible writing/deleting of magnetic skyrmions through hydrogen adsorption/desorption", Submitted (2021)
161.	P. Liu, C. X. Liu, Z. Wang, M. Huang, G. J. Hu, J. X. Xiang, C. Feng, C. Chen, Z. W. Ma, X. D. Cui, H. L. Zeng, Z. G. Sheng, Y. L. Lu, G. Yin, G. Chen, Kai Liu, B. Xiang, "Planar-symmetry-breaking induced antisymmetric magnetoresistance in van der Waals ferromagnet Fe₃GeTe₂", Nano Research, doi: 10.1007/s12274-021-3826-9 (2021).
160.	C. J. Jensen, A. Quintana, M. Sall, L. Herrera Diez, J. W. Zhang, X. X. Zhang, D. Ravelosona, and Kai Liu, "Ion irradiation and implantation modifications of magneto-ionically induced exchange bias in Gd/NiCoO", Journal of Magnetism and Magnetic Materials, 540, 168479 (2021); arXiv: 2108.10295	(PDF, 2MB)
159.	G. Chen, M. Robertson, H.Y. Kwon, C.Y. Won, A. K. Schmid, and Kai Liu, "Chirality-induced zigzag domain wall in in-plane magnetized ultrathin films", Journal of Vacuum Science & Technology A, 39, 053410 (2021); arXiv:2108.08427	(PDF, 1.7MB)
158.	P. D. Murray, C. J. Jensen, A. Quintana, J.W. Zhang, X.X. Zhang, A. J. Grutter, B. J. Kirby, and Kai Liu, "Electrically Enhanced Exchange Bias via Solid State Magneto-Ionics", ACS Applied Materials and Interfaces, 13, 38916−38922 (2021); arXiv:2107.12503	(PDF, 3.8MB)
157.	E. Garskaite, S. Stoll, F. Forsberg, H. Lycksam, Z. Stankeviciute, A. Kareiva, A. Quintana, C. J. Jensen, Kai Liu, D. Sandberg, "The accessibility of cell wall in Scots pine (Pinus sylvestris L.) sapwood to colloidal Fe3O4 nanoparticles", ACS Omega, 6, 21719-21729 (2021).	(PDF, 11MB)
156.	G. Chen, M. Robertson, C. Ophus, A. L. F. Cauduro, R. Lo Conte, H. F. Ding, R. Wiesendanger, S. Blügel, A. K. Schmid, and Kai Liu, "Observation of hydrogen-induced Dzyaloshinskii-Moriya interaction and reversible switching of magnetic chirality", Physical Review X, 11, 021015 (2021).	(PDF, 1.1 MB)
155.	J. Malloy, A. Quintana, C. J. Jensen, and Kai Liu, "Efficient and Robust Metallic Nanowire Foams for Deep Submicron Particulate Filtration", Nano Letters, 21, 2968-2974 (2021).	(PDF, 5MB)
154.	C. J. Perez, Z. J. Chen, W. B. Beeson, S. Chanakain, Kai Liu, S. K. Bux, and S. M. Kauzlarich, "A Chemical Route to Yb₁₄MgSb₁₁ Composites with Nano-Sized Iron Inclusions for Reduction of Thermal Conductivity", ACS Applied Energy Materials, 4, 3748–3756 (2021).	(PDF, 3.3MB)
153.	D. A. Gilbert, P. D. Murray, J. De Rojas, R. K. Dumas, J. E. Davies, and Kai Liu, "Reconstructing phase-resolved hysteresis loops from first-order reversal curves”, Scientific Reports, 11, 4018 (2021); arXiv:2012.11041.	(PDF, 4.4MB)
152.	E. C. Burks, D. A. Gilbert, P. D. Murray, C. Flores, T. E. Felter, S. Charnvanichborikarn, S. O. Kucheyev, J. Colvin, G. Yin and Kai Liu, "3D Nanomagnetism in Low Density Interconnected Nanowire Networks", Nano Letters, 21, 716-722 (2021); arXiv: 2011.13468	(PDF, 6.1MB)
151.	J. de Rojas, A. Quintana, A. Lopeandía, J. Salguero, B. Muniz, F. Ibrahim, M. Chshiev, M. O. Liedke, M. Butterling, A. Wagner, V. Sireus, L. Abad, C. J. Jensen, Kai Liu, J. Nogues, J. L. Costa-Kramer, E. Menendez, and J. Sort, "Voltage-driven motion of nitrogen ions: a new paradigm for magneto-ionics", Nature Communications, 11, 5871 (2020); arXiv: 2003.11137.	(PDF, 1.7MB)
150.	H. Y. Kwon, H. G. Yoon, C. Lee, G. Chen, Kai Liu, A. K. Schmid, Y. Z. Wu, J. W. Choi, and C. Won, "Magnetic Hamiltonian parameter estimation using deep learning techniques", Science Advances, 6, eabb0872 (2020).	(PDF, 2.1MB)
149.	G. Chen, A. Mascaraque, H.Y. Jia, B. Zimmermann, M. Robertson, R. Lo Conte, M. Hoffmann, M.A.G. Barrio, H.F. Ding, R. Wiesendanger, E. Michel, S. Blugel, A. Schmid, and Kai Liu, "Large Dzyaloshinskii–Moriya interaction induced by chemisorbed oxygen on a ferromagnet surface", Science Advances, 6, eaba4924 (2020).	(PDF, 620KB)
148.	M. Robertson, C. J. Agostino, G. Chen, S. P. Kang, A. Mascaraque, E. G. Michel, C.Y. Won, Y. Z. Wu, A. K. Schmid, and Kai Liu, "In-plane Néel wall chirality and orientation of interfacial Dzyaloshinskii-Moriya vector in magnetic films", Physical Review B, 102, 024417 (2020); arXiv: 2006.14697.	(PDF, 1MB)
147.	R. Lo Conte, A. K. Nandy, G. Chen, A. L. Fernandes Cauduro, A. Maity, C. Ophus, Z. J. Chen, A. T. N’Diaye, Kai Liu, A. K. Schmid, and R. Wiesendanger, "Tuning the properties of zero-field room temperature ferromagnetic skyrmions by interlayer exchange coupling", Nano Letters, 20, 4739−4747 (2020).	(PDF, 1MB)
146.	Z. L. Wang, X. D. Xue, H. W. Lu, Y. X. He, Z. W. Lu, Y. Yuan, Z. J. Chen, N. Tang, C. A. Dreyer, N. Curro, K. S. Lam, J. H. Walton, T. Y. Lin, A. Y. Louie, D. A. Gilbert, Kai Liu, K. W. Ferrara, and Y. P. Li, "Two-way Magnetic Resonance Tuning Nanoprobe Enhanced Subtraction Imaging for in vivo Molecular Target Quantification and Small Tumour Visualization", Nature Nanotechnology, 15, 482-490 (2020).	(PDF, 5MB)
145.	J. Xu, F. Lou, M.W. Jia, G. Chen, C. Zhou, Q. Li, Kai Liu, A. K. Schmid, H. J. Xiang, and Y. Z. Wu, "Electron quantum interference in epitaxial antiferromagnetic NiO thin films", AIP Advances, 10, 045204 (2020).	(PDF, 1.2MB)
144.	C. J. Perez, X. Qi, Z. J. Chen, S. K. Bux, S. Chanakain, B. Li, Kai Liu, R. Dhall, K. C. Bustillo, and S. M. Kauzlarich, "Improved Power Factor and Mechanical Properties of Composites of Yb₁₄MgSb₁₁ with Iron", ACS Applied Energy Materials, 3, 2147-2159 (2020).	(PDF, 12MB)
143.	P. D. Murray, D. A. Gilbert, A. J. Grutter, B. J. Kirby, D. Hernandez-Maldonado, M. Varela, Z. E. Brubaker, R. V. Chopdekar, V. Taufour, R. J. Zieve, J. R. Jeffries, E. Arenholz, Y. Takamura, J. A. Borchers, and Kai Liu, "Interfacial-Redox-Induced Tuning of Superconductivity in YBa₂Cu₃O_7-δ", ACS Applied Materials & Interfaces, 12, 4741-4748 (2020); arXiv:1911.07275.	(PDF, 3MB)
142.	J. Y. Shen, J. Lyu, J. Z. S. Gao, C. Z. Chen, C. W. Cho, L. Pan, Z. J. Chen, Kai Liu, Y. J. Hu, K. Y. Yip, S. K. Goh, Q. L. He, K. L. Wang, K. T. Law, and R. Lortz, "Spectroscopic evidence of chiral Majorana modes in a quantum anomalous Hall insulator / superconductor heterostructure", PNAS, 117, 238-242 (2020); arXiv:1809.04752.	(PDF, 770KB)
141.	G. Rippy, L. Trinh, A. M. Kane, A. L. Ionin, M. S. Lee, R. V. Chopdekar, J. M. Christiansen-Salameh, D. A. Gilbert, A. J. Grutter, P. D. Murray, M. Holt, Z.H. Cai, Kai Liu, Y. Takamura, and R. Kukreja, "X-ray nanodiffraction studies of ionically-controlled nanoscale phase separation in cobaltites", Physical Review Materials (Rapid Communications), 3, 082001(R) (2019).	(PDF, 3MB)
140.	S. Karayev, P. Murray, D. Khadka, T. Thapaliya, Kai Liu, and S. X. Huang, "Interlayer Exchange Coupling in Pt/Co/Ru and Pt/Co/Ir superlattices”, Physical Review Materials (Rapid Communications), 3, 041401(R) (2019).	(PDF, 2MB)
139.	C. Zhou, G. Chen, J. Xu, J.H. Liang, Kai Liu, A. K. Schmid, and Y. Z. Wu, "Magnetic domain wall contrast under zero domain contrast conditions in spin polarized low energy electron microscopy", Ultramicroscopy, 200, 132-138 (2019).	(PDF, 1.2MB)
138.	R. Blaesing, T. P. Ma, S. H. Yang, C. Garg , F. K. Dejene, A. T. N'Diaye, G. Chen, Kai Liu, and S. S. P. Parkin, "Exchange coupling torque in ferrimagnetic Co/Gd bilayer maximized near angular momentum compensation temperature", Nature Communications, 9, 4984 (2018).	(PDF, 895KB)
137.	A. Quintana, E. Menéndez, M. O. Liedke, V. Sireus, P. Torruella, S. Estrade, F. Peiro, C. Detavernier, P. Murray, D. A. Gilbert, Kai Liu, E. Pellicer, J. Nogues, and J. Sort, "Voltage-controlled ON-OFF ferromagnetism at room temperature in a single metal oxide film", ACS Nano, 12, 10291-10300 (2018).	(PDF, 6.2MB)
136.	D. A. Gilbert, A. J. Grutter, P. Murray, R. V. Chopdekar, A. M. Kane, A. L. Ionin, S. R. Spurgeon, B. J. Kirby, B. B. Maranville, A. T. N'Diaye, A. Mehta, E. Arenholz, Kai Liu, Y. Takamura, and J. A. Borchers, "Ionic Tuning of Cobaltites at the Nanoscale", Physical Review Materials, 2, 104402 (2018); arXiv:1809.08728	(PDF, 4.7MB)
135.	Q. Li, M. Yang, C. Gong, R. V. Chopdekar, A. T. N'Diaye, J. Turner, G. Chen,A. Scholl, P. Shafer, E. Arenholz, A. K. Schmid, S. Wang, Kai Liu, N. Gao,A. S. Admasu, S.-W. Cheong, C. Hwang, J. Li, F. Wang,X. Zhang, and Z. Q. Qiu, "Patterning-induced ferromagnetism of Fe₃GeTe₂ van der Waals materials beyond room temperature", Nano Letters, 18, 5974-5980 (2018).	(PDF, 1.5MB)
134.	H. X. Yang, G. Chen, A. A. C. Cotta, A. T. N'Diaye, S. A. Nikolaev, E. A. Soares, W. A. A. Macedo, Kai Liu, A. K. Schmid, A. Fert, and M. Chshiev, "Significant Dzyaloshinskii-Moriya Interaction at Graphene-Ferromagnet Interfaces due to the Rashba-effect", Nature Materials, 17, 605-609 (2018).	(PDF, 2.3MB)
133.	D. A. Gilbert, E. C. Burks,S. V. Ushakov, P. Abellan, I. Arslan, T. E. Felter, A. Navrotsky, and Kai Liu, "Tunable Low Density Palladium Nanowire Foams", Chemistry of Materials, 29, 9814–9818 (2017); arXiv:1710.05906.	(PDF, 4.9MB)
132.	D. A. Gilbert, J. G. Ramirez, T. Saerbeck, J. Trastoy, I. K. Schuller, Kai Liu, and J. de la Venta, "Growth-Induced In-Plane Uniaxial Anisotropy in V₂O₃/Ni films", Scientific Reports, 7, 13471 (2017); arXiv:1709.06100.	(PDF, 3.6MB)
131.	S. Y. Huang, C. Zhou, G. Chen, H. Y. Shen, A. K. Schmid, Kai Liu, and Yizheng Wu, "Stabilization and current-induced motion of antiskyrmion in the presence of anisotropic Dzyaloshinskii-Moriya interaction", Physical Review B, 96, 144412 (2017); arXiv:1709.07156.	(PDF, 3.1MB)
130.	L. Sun, C. Zhou, J. H. Liang, T. Xing, N. Lei, P. Murray, Kai Liu, C. Won, and Y. Z. Wu, "Magnetization reversal in Kagome artificial spin ice studied by first-order reversal curves", Physical Review B, 96, 144409 (2017); arXiv:1709.05656.	(PDF, 1.7MB)
129.	J. A. De Toro, M. Vasilakaki, S. S. Lee, M. S. Andersson, P. S. Normile, N. Yaacoub, P. Murray, E. H. Sanchez, P. Muniz, D. Peddis, R. Mathieu, Kai Liu, J. Geshev, K. N. Trohidou, J. Nogues, "Remanence plots as a probe of spin disorder in magnetic nanoparticles", Chemistry of Materials, 29, 8258−8268 (2017).	(PDF, 8.5MB)
128.	W. J. Jiang, G. Chen, Kai Liu, J. D. Zang, S. G. E. te velthuis and A. Hoffmann, "Skyrmions in Magnetic Multilayers", Physics Reports, 704, 1-49 (2017); arXiv:1706.08295.	(PDF, 12MB)
127.	Q. L. He, L. Pan, A. L. Stern, E. C. Burks, X. Y. Che, G. Yin, J. Wang, B. Lian, Q. Zhou, E. Sang Choi, K. Murata, X. F. Kou, Z.J. Chen, T. X. Nie, Q. M. Shao, Y. B. Fan, S. C. Zhang, Kai Liu, J. Xia, and K. L. Wang, "Chiral Majorana fermion modes in a quantum anomalous Hall insulator-superconductor structure", Science, 357, 294-299 (2017); arXiv: 1606.05712.	(PDF, 863KB)
126.	M. K. Frampton, J. Crocker, D. A. Gilbert, N. Curro, Kai Liu, J. A. Schneeloch, G. Gu, and R. J. Zieve, "First Order Reversal Curve of the Magneto-Structural Phase Transition in FeTe", Physical Review B, 95, 214402 (2017); arXiv: 1705.07380	(PDF, 2.5MB)
125.	G. Chen, S. P. Kang, C. Ophus, A. T. N’Diaye, H. Y. Kwon, R. T. Qiu, C. Y. Won, Kai Liu, Y. Z. Wu, A. K. Schmid, "Out-of-plane chiral domain wall spin-structures in ultrathin in-plane magnets", Nature Communications, 8, 15302 (2017).	(PDF, 1.0MB)
124.	L. Yu, Z. Y. Yan, H. C. Yang, X. Z. Chai, B. Q. Li, S. Moeendarbari, Y. W. Hao, D. Zhang, G. Feng, P. Han, D. A. Gilbert, Kai Liu, K. S. Buchanan, and X. M. Cheng, "Magnetization reversal of three-dimensional nickel anti-sphere arrays", IEEE Magnetics Letters, 8, 4100104; DOI: 10.1109/LMAG.2016.2616325 (2017).	(PDF, 229KB)
123.	N. Kazem, J. Cooley, E. C. Burks, Kai Liu, and S. M. Kauzlarich, "Synthesis, Characterization and Low Temperature Transport Properties of Eu_11-xYb_xCd₆Sb₁₂ Solid-Solution Zintl Phases", Inorganic Chemistry, 55, 12230–12237 (2016).	(PDF, 2.5MB)
122.	D. A. Gilbert, J.W. Liao, B. J. Kirby, M. Winklhofer, C. H. Lai, and Kai Liu, "Magnetic Yoking and Tunable Interactions in FePt-Based Hard/Soft Bilayers", Scientific Reports, 6, 32842 (2016); arXiv: 1608.04630.	(PDF, 1.4MB)
121.	Q. T. Zhang, P. Murray, L. You, C. H. Wan, X. Zhang, W. J. Li, Z. H. Yuan, H. Wu, J. L. Wang, Kai Liu, and X. F. Han, "Magnetic fingerprint of interfacial coupling between CoFe and nanoscale ferroelectric domain walls", Applied Physics Letters, 109, 082906 (2016); arXiv: 1608.02237.	(PDF, 840KB)
120.	D. A. Gilbert, A. J. Grutter, E. Arenholz, Kai Liu, B. J. Kirby, J. A. Borchers, B. B. Maranville, "Structural and Magnetic Depth Profiles of Voltage-Controlled Magneto-Ionic Heterostructures Beyond the Interface Limit", Nature Communications, 7, 12264 (2016); arXiv:1605.07209.	(PDF, 1.0MB)
119.	R. Cuadrado, Kai Liu, T. J. Klemmer, and R. W. Chantrell, "In-plane/out-of-plane disorder influence on the magnetic anisotropy of Fe_1-yMn_yPt-L1₀ bulk alloy", Applied Physics Letters, 108, 123102 (2016).	(PDF, 1.1MB)
118.	D. A. Gilbert, J. Olamit, R. K. Dumas, B. J. Kirby, A. J. Grutter, B. B. Maranville, E. Arenholz, J. A. Borchers, and Kai Liu, "Controllable Positive Exchange Bias via Redox-Driven Oxygen Migration", Nature Communications, 7, 11050 (2016).	(PDF, 1.0MB)
117.	A. J. Grutter, D. A. Gilbert, U. S. Alaan, E. Arenholz, B. B. Maranville, J. A. Borchers, Y. Suzuki, Kai Liu, and B. J. Kirby, "Reversible Control of Magnetism in La_0.67Sr_0.33MnO₃ through Chemically-Induced Oxygen Migration", Applied Physics Letters, 108, 082405 (2016).	(PDF, 1.2MB)
116.	F. Chen, F. Wang, F. Jia, J. Li, Kai Liu, S. Huang, Z. Luan, D. Wu, Y. Chen, J. Zhu, R. W. Peng, and M. Wang, "Periodic spin configuration in single-crystalline cobalt filaments", Physical Review B, 93, 054405 (2016).	(PDF, 2.9MB)
115.	D. A. Gilbert, B. B. Maranville, A. L. Balk, B. J. Kirby, P. Fischer, D. T. Pierce, J. Unguris, J. A. Borchers,and Kai Liu, "Realization of Ground State Artificial Skyrmion Lattices at Room Temperature", Nature Communications, 6, 8462 (2015).	(PDF, 1.3MB)
114.	D. A. Gilbert, L. Ye, A. Varea, S. Agramunt-Puig, N. del Valle, C. Navau, J. F. Lopez-Barbera,K. S. Buchanan, A. Hoffmann, A. Sanchez, J. Sort, Kai Liu, and J. Nogues, "A New Reversal Mode in Exchange Coupled Antiferromagnetic/Ferromagnetic Disks: Distorted Viscous Vortex", Nanoscale, 7, 9878 - 9885 (2015); arXiv:1504.07121	(PDF, 5.8MB)
113.	W. J. Li, D. W. Shi, P. K. Greene, K. Javed, Kai Liu, and X. F. Han, "Enhanced exchange bias in IrMn/CoFe deposited on self-organized hexagonally patterned nanodots", Applied Physics Letters, 106, 072409 (2015).	(PDF, 861KB)
112.	B. J. Kirby, P. K. Greene, B. B. Maranville, J. E. Davies, and Kai Liu, "Effective anisotropy gradient in pressure graded Co/Pd multilayers", Journal of Applied Physics, 117, 063905 (2015).	(PDF, 650KB)
111.	D. W. Shi, P. K. Greene, P. Liu, K. Javed, Kai Liu, and X. F. Han, "Co/Pt multilayers on self-organized hexagonal patterned nanodots", IEEE Transactions on Magnetics, 50, 2303004 (2014).	(PDF, 580KB)
110.	S. Nemsak, A. Shavorskiy, O. Karslioglu, I. Zegkinoglou, P. K. Greene, E. C. Burks, A. Rattanachata, C. S. Conlon, A. Keqi, F. Salmassi_,E. M. Gullikson, S.-H. Yang, Kai Liu, H. Bluhm, and C. S. Fadley, "Concentration and chemical-state profiles at heterogeneous interfaces with sub-nm accuracy from standing-wave ambient-pressure photoemission", Nature Communications, 5, 5441 (2014).	(PDF, 1.1MB)
109.	M. Kaur, W. Jiang, Y. Qiang, E. C. Burks, Kai Liu, F. Namavar, and J. McCloy, "Exchange bias in polycrystalline magnetite films made by ion-beam assisted deposition", Journal of Applied Physics, 116, 173902 (2014).	(PDF, 1.6MB)
108.	R. K. Dumas, P. K. Greene, D. A. Gilbert, L. Ye, C. Zha, J. Akerman, and Kai Liu, "Accessing Different Spin-Disordered States using First Order Reversal Curves", Physical Review B, 90, 104410 (2014); arXiv:1409.0825.	(PDF, 1.3MB)
107.	D. A. Gilbert, J. W. Liao, L. W. Wang, J. W. Lau, T. J. Klemmer,J. U. Thiele, C. H. Lai, and Kai Liu, "Probing the A1 to L1₀ Transformation in FeCuPt Using the First Order Reversal Curve Method", APL Materials, 2, 086106 (2014); arXiv:1408.2860.	(PDF, 1 MB)
106.	P. K. Greene, J. Osten, Kilian Lenz,J. Fassbender, C. Jenkins, E. Arenholz, T. Endo, N. Iwata, and Kai Liu, "Tuning Perpendicular Anisotropy Gradient in Co/Pd Multilayers by Ion Irradiation", Applied Physics Letters, 105, 072401 (2014); arXiv:1408.1659.	(PDF, 1.5MB)
105.	L. Ma, D. A. Gilbert, V. Neu, R. Schafer, J. G. Zheng, X. Q. Yan, Z. Shi, Kai Liu, and S. M. Zhou, "Magnetization reversal in perpendicularly magnetized L1₀ FePd/FePt heretostructures", Journal of Applied Physics, 116, 033922 (2014).	(PDF, 2.2MB)
104.	G. K. Das, C. S. Bonifacio,J. De Rojas, Kai Liu,K. van Benthem and I. M. Kennedy, "Ultra-long Magnetic Nanochains for Highly Efficient Arsenic Removal from Water", Journal of Materials Chemistry A, 2, 12974-12981 (2014).	(PDF, 1.3MB)
103.	P. K. Greene, B. J. Kirby, J. W. Lau, J. A. Borchers, M. R. Fitzsimmons, and Kai Liu, "Deposition Order Dependent Magnetization Reversal in Pressure Graded Co/Pd films", Applied Physics Letters, 104, 152401 (2014); arXiv:1404.1350.	(PDF, 1.6MB)
102.	D. A. Gilbert, G. T. Zimanyi, R. K. Dumas, M. Winklhofer, A. Gomez, N. Eibagi, J. L. Vicent, and Kai Liu, "Quantitative Decoding of Interactions in Tunable Nanomagnet Arrays Using First Order Reversal Curves", Scientific Reports, 4, 4204; DOI:10.1038/srep04204 (2014); arXiv:1401.7749	(PDF, 1.8MB)
101.	A. M. Thron, P. Greene, Kai Liu, and K. van Benthem, "In-Situ Observation of Equilibrium Transitions in Ni films; Agglomeration and Impurity Effects", Ultramicroscopy, 137, 55-65 (2014).	(PDF, 1.7MB)
100.	J. S. McCloy, W. Jiang, T. Droubay,T. Varga,L. Kovarik, J. Sundararajan, M. Kaur, Y. Qiang, E. C. Burks, and Kai Liu, "Ion irradiation of Fe-Fe oxide core-shell nanocluster films: Effect of interface on stability of magnetic properties", Journal of Applied Physics, 114, 083903 (2013); arXiv:1308.1384	(PDF, 2MB)
99.	J. E. Davies, D. A. Gilbert, M. Mohseni, R. K. Dumas, J. Akerman and Kai Liu, "Reversal mode instability and magnetoresistance in perpendicular (Co/Pd)/Cu/(Co/Ni) pseudo-spin-valves", Applied Physics Letters, 103, 022409 (2013); arXiv:1307.0853	(PDF, 1.1MB)
98	A. Gomez, E. M. Gonzalez, D. A. Gilbert, M. V. Milosevic, Kai Liu, and J. L. Vicent, "Probing the dynamic response of antivortex, interstitial and trapped vortex lattices on magnetic periodic pinning potentials", Superconductor Science and Technology, 26, 085018 (2013).	(PDF, 1.4MB)
97.	M. S. Pierce, J.E. Davies, J. J. Turner, K. Chesnel, E. E. Fullerton, J. Nam, R. Hailstone, S.D. Kevan, J.B. Kortright, Kai Liu, L.B. Sorensen, B.R. York, and O. Hellwig, "The influence of structural disorder on magnetic domain formation in perpendicular anisotropy thin films", Physical Review B, 87, 184428 (2013); arXiv:1301.1737	(PDF, 5.7MB)
96.	R. Brandt, R. Ruckriem, D. A. Gilbert, F. Ganss, T. Senn, Kai Liu, M. Albrecht, and H. Schmidt, "Size-dependent magnetization switching characteristics and spin wave modes of FePt nanostructures", Journal of Applied Physics, 113, 203910 (2013); arXiv: 1305.3686	(PDF, 2.8MB)
95.	D. A. Gilbert, L.W. Wang, T. Klemmer, Jan-Ulrich Thiele, C. H. Lai, and Kai Liu, "Tuning magnetic anisotropy in (001) oriented (Fe_1-xCu_x)₅₅Pt₄₅ films", Applied Physics Letters, 102, 132406 (2013); arXiv:1303.5208; Featured in APL Research Highlights & Top Stories, one of 15 Most Accessed APL papers in 2013.	(PDF, 1.1MB)
94.	L. H. Yang, M. Shaughnessy, L. Damewood, C. Y. Fong, and Kai Liu, "Half-metallic hole-doped Mn/Si trilayers", Journal of Physics D: Applied Physics, 46, 165502 (2013).	(PDF, 554KB)
93.	A. Gomez, D. A. Gilbert, E. M. Gonzalez, Kai Liu and J. L. Vicent, "Control of dissipation in superconducting films by magnetic stray fields", Applied Physics Letters, 102, 052601 (2013); arXiv:1302.0680	(PDF, 698KB)
92.	B. J. Kirby, M. T. Rahman, R. K. Dumas, J. E. Davies, C. H. Lai, and Kai Liu, "Depth-resolved magnetization reversal in nanoporous perpendicular anisotropy multilayers", Journal of Applied Physics, 113, 033909 (2013).	(PDF, 1.1MB)
91.	R. K. Dumas, C. P. Li, I. V. Roshchin, I. K. Schuller, and Kai Liu, "Deconvoluting Reversal Modes in Exchange Biased Nanodots", Physical Review B, 86, 144410 (2012); arXiv:1210.1817	(PDF, 713KB)
90.	E. A. Osborne, T. Atkins, D. Gilbert, S. M. Kauzlarich, Kai Liu, and A. Y Louie, "Rapid Microwave-Assisted Synthesis of Dextran-Coated Iron Oxide Nanoparticles for Magnetic Resonance Imaging", Nanotechnology, 23, 215602 (2012); arXiv:1210.1827	(PDF, 1.3MB)
89.	R. M. Wong, D. A. Gilbert, Kai Liu, and A. Y. Louie, "Rapid Size-Controlled Synthesis of Dextran-Coated, ⁶⁴Cu-Doped Iron Oxide Nanoparticles", ACS Nano, 6, 3461-3467 (2012); arXiv:1210.1823	(PDF, 3.8MB)
88.	J. C. Park, D. A. Gilbert, Kai Liu, and A. Y. Louie, "Microwave enhanced silica encapsulation of magnetic nanoparticles", Journal of Materials Chemistry, 22, 8449-8454 (2012).	(PDF, 609KB)
87.	A. M. Thron, P. Greene, Kai Liu, and Klaus van Benthem, "Structural Changes during the reaction of Ni thin films with (100) silicon substrates", Acta Materialia, 60, 2668-2678 (2012).	(PDF, 1.9MB)
86.	D. Perez de Lara, F. J. Castano, B. G. Ng, H. S. Korner, R. K. Dumas, E. M. Gonzalez, Kai Liu, C. A. Ross, Ivan K. Schuller and J. L. Vicent, "Magnetic pinning of flux lattice in superconducting-nanomagnet hybrids", Applied Physics Letters, 99, 182509 (2011).	(PDF, 575KB)
85.	Bogdan F. Valcu, Dustin A. Gilbert, and Kai Liu, "Fingerprinting Inhomogeneities in Recording Media using the First Order Reversal Curve Method", IEEE Transactions on Magnetics, 47, 2988 (2011).	(PDF, 673 KB)
84.	J. E. Davies, P. Morrow, C. L. Dennis, J. W. Lau, B. McMorran, A. Cochran, J. Unguris, R. K. Dumas, P. Greene and Kai Liu, "Reversal of patterned Co/Pd multilayers with graded magnetic anisotropy", Journal of Applied Physics, 109, 07B909 (2011).	(PDF, 1.4 MB)
83.	X. M. Kou, X. Fan, R. K. Dumas, Q. Lu, Y. P. Zhang, H. Zhu, X. K. Zhang, Kai Liu, and J. Q. Xiao, "Memory effect in magnetic nanowire arrays", Advanced Materials, 23, 1393 (2011).	(PDF, 575 KB)
82.	R. K. Dumas, D. A. Gilbert, N. Eibagi, and Kai Liu, "Chirality control via double vortices in asymmetric Co dots", Physical Review B (Rapid Communications), 83, 060415 (2011); arXiv:1008.4963	(PDF, 457 KB)
81.	Z.Y. Wang, T. Lin, P. Wei, X. F. Liu, R. K. Dumas, Kai Liu, and Jing Shi, "Tuning carrier type and density in Bi₂Se₃ by Ca-doping", Applied Physics Letters, 97, 042112 (2010); arXiv:1007.0470.	(PDF, 511KB)
80.	J.W. Liao, R.K. Dumas, H.C. Hou, Y.C. Huang, W.C. Tsai, L.W. Wang, D.S. Wang, M.S. Lin, Y.C. Wu, R.Z. Chen, J.L. Lee, J.W. Lau, Kai Liu, C.H. Lai, "Simultaneous enhancement of anisotropy and grain segregation in CoPtCr-SiO₂ perpendicular recording media by a MnRu intermediate layer", Physical Review B, 82, 014423 (2010).	(PDF, 709KB)
79.	B. J. McMorran, A. C. Cochran, R. K. Dumas, Kai Liu, P. Morrow, D. T. Pierce, and J. Unguris, "Measuring the effects of low energy ion milling on the magnetization of Co/Pd multilayers using scanning electron microscopy with polarization analysis", Journal of Applied Physics, 107, 09D305 (2010).	(PDF, 415KB)
78.	B. J. Kirby, J. E. Davies,Kai Liu, S. M. Watson, G. T. Zimanyi, R. D. Shull, P. A. Kienzle, and J. A. Borchers, "Vertically Graded Anisotropy in Co/Pd Multilayers", Physical Review B (Rapid Communications), 81, 100405 (2010); arXiv: 0912.0256.	(PDF, 403 KB) Supplementary Material
77.	D. Perez de Lara, F. J. Castano, B. G. Ng, R. K. Dumas, E. M. Gonzalez, Kai Liu, C. A. Ross, Ivan K. Schuller, and J. L. Vicent, "Rocking ratchet induced by pure magnetic potentials with broken reflection symmetry", Physical Review B, 80, 224510 (2009); arXiv:0912.3193	(PDF, 735 KB)
76.	Randy K. Dumas, Thomas Gredig, Chang-Peng Li, Ivan K. Schuller and Kai Liu, "Angular Dependence of Vortex Annihilation Fields in Asymmetric Co Dots", Physical Review B, 80, 014416 (2009); arXiv: 0906.3877.	(PDF, 443 KB) UC Postprint
75.	M. Shaughnessy, C. Y. Fong, Ryan Snow, Kai Liu, J. E. Pask, and L. H. Yang, "Origin of large moments in Mn_xSi_1-xat small x", Applied Physics Letters, 95, 022515 (2009); arXiv: 0906.3502.	(PDF, 254 KB) UC Postprint
74.	J. E. Davies, O. Hellwig, E. E. Fullerton, M. Winklhofer, R. D. Shull, and Kai Liu, "Frustration Driven Stripe Domain Formation in Co/Pt Multilayer Films", Applied Physics Letters, 95, 022505 (2009); arXiv: 0906.4744	(PDF, 546 KB) UC Postprint
73.	C. Leighton, D.D. Stauffer, Q. Huang, Y. Ren, B. Toby, S. El-Khatib, M. A. Torija, J. Wu, J. W. Lynn, L. Wang, N. A. Frey, H. Srikanth, J. E. Davies, Kai Liu and J. F. Mitchell, "Coupled structural / magnetocrystalline anisotropy transitions in the doped perovskite cobaltite Pr_1-xSr_xCoO₃", Physical Review B, 79, 214420 (2009).	(PDF, 434 KB)
72.	Z. Ma, D. Dosev, M. Nichkova, R. K. Dumas, S. J. Gee, B. D. Hammock, Kai Liu and I. M. Kennedy, "Synthesis and characterization of multifunctional silica core-shell nanocomposites with magnetic and fluorescent functionalities", Journal of Magnetism and Magnetic Materials, 321, 1368-1371 (2009).	(PDF, 507 KB)
71.	B. J. Kirby, S. M. Watson, J. E. Davies, G. T. Zimanyi, Kai Liu, R. D. Shull, and J. A. Borchers, "Direct Observation of Magnetic Gradient in in Co/Pd Pressure-Graded Media", Journal of Applied Physics, 105, 07C929 (2009); arXiv: 0903.2650.	(PDF, 381 KB) UC Postprint
70.	R. Morales, Z-P. Li, J. Olamit, Kai Liu, J.M. Alameda, and Ivan K. Schuller, "Role of the antiferromagnetic bulk spin structure on exchange bias", Physical Review Letters, 102, 097201 (2009).	(PDF, 345 KB) UC Postprint
69.	M. Tofizur Rahman, Randy K. Dumas, Nasim Eibagi, Nazmun N. Shams, Yun-Chung Wu, Kai Liu, and Chih-Huang Lai, "Controlling magnetization reversal in Co/Pt nanostructures with perpendicular anisotropy", Applied Physics Letters, 94, 042507 (2009); arXiv: 0901.4562.	(PDF, 485 KB) UC Postprint
68.	Jared Wong, Peter Greene, Randy K. Dumas, and Kai Liu, "Probing Magnetic Configurations in Co/Cu Multilayered Nanowires", Applied Physics Letters, 94, 032504 (2009); arXiv: 0901.2745; also in Virtual Journal of Nanoscale Science & Technology, 19 (5) (2009).	(PDF, 322KB) UC Postprint
67.	W.A.A. Macedo, B. Sahoo, J. Eisenmenger, M.D. Martins, W. Keune, V. Kuncser, R. Rohlsberger, O. Leupold, R. Ruffer, J. Nogues, Kai Liu, K. Schlage, and Ivan K. Schuller, "Direct measurement of depth-dependent Fe spin structure during magnetization reversal in Fe/MnF₂ exchange-coupled bilayers", Physical Review B, 78, 224401 (2008).	(PDF, 222 KB)
66.	Chunsheng Du, J. Yun, R. K. Dumas, X. Yuan, Kai Liu, N. D. Browning and Ning Pan, "Three-dimensionally Intercrossing Mn₃O₄ Nanowires", Acta Materialia, 56, 3516-3522 (2008).	(PDF, 1.5MB)
65.	C. Y. Fong, M. C. Qian, Kai Liu, L. H. Yang, and J. E. Pask, "Design of Spintronic Materials with Simple Structures", Journal of Nanoscience and Nanotechnology, 8, 3652-3660 (2008).	(PDF online)
64.	M. Winklhofer, R. K. Dumas, and Kai Liu, "Identifying reversible and irreversible magnetization changes in prototype patterned media using first- and second-order reversal curves", Journal of Applied Physics, 103, 07C518 (2008).	(PDF, 298KB) UC Postprint
63.	J. E. Davies, O. Hellwig, E. E. Fullerton, and Kai Liu, "Temperature Dependent Magnetization Reversal in (Co/Pt)/Ru Multilayers", Physical Review B, 77, 014421 (2008).	(PDF, 657KB) UC Postprint
62.	R. K. Dumas, Kai Liu, C. P. Li, I. V. Roshchin, and I. K. Schuller "Temperature Induced Single Domain - Vortex State Transition in sub-100nm Fe Nanodots", Applied Physics Letters, 91, 202501 (2007).	(PDF, 276KB) UC Postprint
61.	R. K. Dumas, C. P. Li, I. V. Roshchin, I. K. Schuller, and Kai Liu, "Magnetic fingerprints of sub-100 nm Fe nanodots", Physical Review B, 75, 134405 (2007); arXiv:0704.0127; also in Virtual Journal of Nanoscale Science & Technology, 15 (15) (2007).	(PDF, 445KB) UC Postprint
60.	M. S. Pierce, C. R. Buechler, L.B. Sorensen, S.D. Kevan, E.A. Jagla, J.M. Deutsch, T. Mai, O. Narayan, J. E. Davies, Kai Liu, G.T. Zimanyi, H. G. Katzberger, O. Hellwig, E. E. Fullerton, P. Fischer, and J. B. Kortright, "Disorder induced magnetic memory: Experiments and theories", Physical Review B, 75, 144406-1-23 (2007); cond-mat/0611542.	(PDF, 2.4MB)
59.	J. Olamit and Kai Liu, "Rotational hysteresis of the exchange anisotropy direction in Co/FeMn thin films", Journal of Applied Physics, 101, 09E508 (2007); cond-mat/0611294.	(PDF, 125KB) UC Postprint
58.	A. Lazicki, C.-S. Yoo, W. J. Evans, H. Cynn, W. E. Pickett, J. Olamit, Kai Liu, and Y. Ohishi, "Search for superconductivity in LiBC at high pressure", Physical Review B, 75, 054507 (2007).	(PDF, 786KB)
57.	D. Dosev, M. Nichkova, R. K. Dumas, S. J. Gee, B. D. Hammock, Kai Liu, and I. M. Kennedy, "Magnetic/luminescent core/shell particles synthesized by spray pyrolysis and their application in immunoassays with internal standard", Nanotechnology, 18, 055102 (2007).	(PDF, 703KB)
56.	J. Olamit, Kai Liu, Z. P. Li, and I. K. Schuller, "Irreversibility of magnetization rotation in exchange biased Fe/epitaxial-FeF₂ thin films", Applied Physics Letters, 90, 032510 (2007).	(PDF, 284KB) UC Postprint
55.	B. Sahoo, W. A. A. Macedo, W. Keune, V. Kuncser, J. Eisenmenger, J. Nogues, I. K. Schuller, I. Felner, Kai Liu, and R. Rohlsberger, "Mossbauer spectroscopical investigation of the exchange biased Fe/MnF₂ interface", Hyperfine Interactions, 169, 1371-1377 (2006).	(PDF, 555KB)
54.	R. Morales, Z. P. Li, O. Petracic, X. Batlle, I. K. Schuller, J. Olamit, and Kai Liu, "Magnetization depth-dependence in exchange-biased thin films", Applied Physics Letters, 89, 072504 (2006).	(PDF, 339KB) UC Postprint
53.	Z. P. Li, O. Petracic, R. Morales, J. Olamit, X. Batlle, Kai Liu, and I. K. Schuller, "Origin of asymmetric reversal in exchange biased bilayers", Physical Review Letters, 96, 217205 (2006); cond-mat/0603060.	(PDF, 356KB) UC Postprint
52.	E. Arenholz, Kai Liu, Z. P. Li, and I. K. Schuller, "Magnetization reversal of uncompensated Fe moments in exchange biased Ni/FeF₂ bilayers", Applied Physics Letters, 88, 072503 (2006).	(PDF, 75KB) UC Postprint
51.	S. Cho, A. M. Shahin, G. J. Long, J. E. Davies, Kai Liu, F. Grandjean, and S. M. Kauzlarich, "A magnetic and Mossbauer spectral study of core/shell structured Fe/Au nanoparticles", Chemistry of Materials, 18, 960-967 (2006); cond-mat/0512413.	(PDF, 449KB)
50.	J. Olamit, Z. P. Li, I. K. Schuller, and Kai Liu, "Angular dependence of exchange anisotropy on cooling field in ferromagnet/fluoride thin films", Physical Review B, 73, 024413 (2006); cond-mat/0512257.	(PDF, 567KB) UC Postprint
49.	M. C. Qian, C. Y. Fong, Kai Liu, W. E. Pickett, J. E. Pask, and L. H. Yang, "Half-metallic digital ferromagnetic heterostructure composed of a detla -doped layer of Mn in Si", Physical Review Letters, 96, 027211 (2006); cond-mat/0508269.	(PDF, 302KB)
48.	J. E. Davies, J. Wu, C. Leighton, and Kai Liu, "Magnetization Reversal and Nanoscopic Magnetic Phase Separation in La_1-xSr_xCoO₃", Physical Review B, 72, 134419 (2005); cond-mat/0509190.	(PDF, 511KB) UC Postprint
47.	F. E. Osterloh, H. Hiramatsu, R. K. Dumas, and Kai Liu, "Fe₃O₄-LiMo₃Se₃ nanoparticle clusters as superparamagnetic nanocompasses", Langmuir, 21, 9709-9713 (2005).	(PDF, 645KB)
46.	E. Arenholz and Kai Liu, "Angular dependence of the magnetization reversal in exchange biased Fe/MnF₂", Applied Physics Letters, 87, 132501 (2005); cond-mat/0508445.	(PDF, 76KB) UC Postprint
45.	S. M. Gravano, R. K. Dumas, Kai Liu, and T. E. Patten, "Methods for the Surface Functionalization of gamma-Fe₂O₃ Nanoparticles with Initiators for Atom Transfer Radical Polymerization and Formation of Core-Shell Inorganic-Polymer Structures", Journal of Polymer Science A, 43, 3675-3688 (2005).	(PDF, 453KB)
44.	J. Olamit, E. Arenholz, Z. P. Li, O. Petracic, I. V. Roshchin, R. Morales, X. Batlle, I. K. Schuller,and Kai Liu, "Loop bifurcation and magnetization rotation in exchange biased Ni/FeF2", Physical Review B, 72, 012408 (2005); cond-mat/0504689.	(PDF, 114KB) UC Postprint
43.	J. E. Davies, O. Hellwig, E. E. Fullerton, J. S. Jiang, S. D. Bader, G. T. Zimanyi, and Kai Liu, "Anisotropy-dependence of irreversible switching in Fe/SmCo and FeNi/FePt spring magnet films", Applied Physics Letters, 86, 262503 (2005); cond-mat/0504492.	(PDF, 130KB) UC Postprint
42.	S. Cho, J. C. Idrobo, J. Olamit, Kai Liu, N. D. Browning, and S. M. Kauzlarich, "Growth mechanisms and oxidation-resistance of Au-coated Fe nanoparticles", Chemistry of Materials, 17, 3181-3186 (2005); cond-mat/0504314.	(PDF, 174KB)
41.	J. Y. Kim, F. E. Osterloh, H. Hiramatsu, R. K. Dumas, and Kai Liu, "Synthesis and real-time magnetic manipulation of a biaxial superparamagnetic colloid", Journal of Physical Chemistry B, 109, 11151-11157 (2005).	(PDF, 482KB)
40.	Y. M. Wang, A. M. Hodge, J. Biener, A. V. Hamza, D. E. Barnes, Kai Liu, and T. G. Nieh, "Deformation Twinning During Nanoindentation of Nanocrystalline Ta", Applied Physics Letters, 86, 101915 (2005).	(PDF, 568KB) UC Postprint
39.	M. S. Pierce, C. R. Buechler, L. B. Sorensen, J. J. Turner, S. D. Kevan, E. A. Jagla, J. M. Deutsch, T. Mai, O. Narayan, J. E. Davies, Kai Liu, J. Hunter Dunn, K. M. Chesnel, J. B. Kortright, O. Hellwig, and E. E. Fullerton, "Disorder-induced microscopic magnetic memory", Physical Review Letters, 94, 017202 (2005); cond-mat/0411698.	(PDF, 314KB)
38.	J. E. Davies, O. Hellwig, E. E. Fullerton,G. Denbeaux, J. B. Kortright and Kai Liu, "Magnetization reversal of Co/Pt multilayers: microscopic origin of high field magnetic irreversibility", Physical Review B, 70, 224434 (2004).	(PDF, 1MB) UC Postprint
37.	W. A. A. Macedo, B. Sahoo, V. E. Kuncser, J. Eisenmenger, I. Felner, J. Nogues, Kai Liu, W. Keune, and I. K. Schuller, "Changes in ferromagnetic spin structure induced by exchange bias in Fe/MnF₂ films", Physical Review B, 70, 224414 (2004).	(PDF, 260KB)
36.	S. Cho, S. M. Kauzlarich, J. Olamit, Kai Liu, F. Grandjean, L. Rebbouh, and G. J. Long, "Characterization and magnetic properties of core/shell structured Fe/Au nanoparticles", Journal of Applied Physics, 95, 6804-6806 (2004).	(PDF, 201KB) UC Postprint
35.	L. M. Zhao, P. Klavins, and Kai Liu, "Synthesis and Properties of Hole-Doped Li_1-xBC", Journal of Applied Physics, 93, 8653-8655 (2003).	(PDF, 45KB)
34.	H. G. Katzgraber, F. Pazmandi, C. R. Pike, Kai Liu, R. T. Scalettar, K. L. Verosub, and G. T. Zimanyi, "Reversal-field memory in magnetic hysteresis", Journal of Applied Physics, 93, 6617-6619 (2003).	(PDF, 121KB)
33.	Kai Liu, L. M. Zhao, P. Klavins, F. Osterloh and H. Hiramatsu, "Extrinsic magnetoresistance in magnetite nanoparticles", Journal of Applied Physics, 93, 7951-7953 (2003).	(PDF, 49KB)
32.	J. I. Martin, J. Nogues, Kai Liu, J. L. Vicent, and I. K. Schuller, Topical review, "Ordered magnetic nanostructures: fabrication and properties", Journal of Magnetism and Magnetic Materials, 256, 449-501 (2003).	(PDF, 1.8MB)
31.	Kai Liu, J. Nogues, C. Leighton, H. Masuda, K. Nishio, I. V. Roshchin and I. K. Schuller, "Fabrication and thermal stability of arrays of Fe nanodots", Applied Physics Letters, 81, 4434-4436 (2002); also in Virtual Journal of Nanoscale Science & Technology, 6 (24) (2002).	(PDF, 130KB) UC Postprint
30.	H. G. Katzgraber, F. Pazmandi, C. R. Pike, Kai Liu, R. T. Scalettar, K. L. Verosub, and G. T. Zimanyi, "Reversal-field memory in the hysteresis of spin-glasses", Physical Review Letters, 89, 257202-1-4 (2002); cond-mat/0205275.	(PDF, 216KB) UC Postprint
29.	M. I. Montero, Kai Liu, O. M. Stoll, A. Hoffmann, Ivan K. Schuller, J. J. Akerman, J.I. Martin, J.L. Vicent, S. M. Baker, T.P. Russell, C. Leighton and J. Nogues, "Nanostructures and the Proximity Effect", Journal of Physics D: Applied Physics 35, 2398-2402 (2002).	(PDF, 318KB)
28.	M. S. Lund, W. A. A. Macedo, Kai Liu, J. Nogues, I. K. Schuller, C. Leighton, "Effect of antiferromagnet anisotropy on the critical thickness in exchange biased bilayers", Physical Review B 66, 054422 (2002).	(PDF, 218KB)
27.	M. R. Fitzsimmons, C. Leighton, J. Nogues, A. Hoffmann, Kai Liu, I. K. Schuller, C. F. Majkrzak, J. A. Dura, J. R. Groves, R. W. Springer, P. N. Arendt, V. Leiner, and H. Lauter, "Influence of in-plane crystalline quality of an antiferromagnet on perpendicular exchange coupling and exchange bias", Physical Review B 65, 134436 (2002).	(PDF, 127KB)
26.	M. R. Fitzsimmons, C. Leighton, A. Hoffmann, P. C. Yashar, J. Nogues, Kai Liu, C. F. Majkrzak, J. A. Dura, H. Fritzsche, and I. K. Schuller, "Influence of interfacial disorder and temperature on magnetization reversal in exchange-coupled bilayers", Physical Review B, 64, 104415 (2001).	(PDF, 78KB)
25.	Kai Liu, S. M. Baker, M. Tuominen, T. P. Russell, and I. K. Schuller "Tailoring exchange bias with magnetic nanostructures", Physical Review B 63, (Rapid Communications), 060403 (2001).	(PDF, 262KB) UC Postprint
24.	S. M. Zhou, Kai Liu, and C. L. Chien, "Dependence of exchange coupling in permalloy/Cr₈₂Al₁₈ bilayers on the constituent layer thickness", Journal of Applied Physics, 87 , 6659-6661 (2000).	(PDF, 46KB)
23.	C. L. Chien, F. Y. Yang, Kai Liu, D. H. Reich, and P. C. Searson, "Very large magnetoresistance in electrodeposited single-crystal Bi thin films", invited, Journal of Applied Physics, 87, 4659-4664 (2000).	(PDF, 110KB)
22.	Kai Liu, S. M. Zhou, C. L. Chien, V. Nikitenko, V. Gornakov, A. Shapiro, R. Shull, "Anisotropy-dependent macroscopic domain structure in wedged-Permalloy/Uniform-FeMn bilayers", Journal of Applied Physics, 87, 5052-5054 (2000).	(PDF, 334KB)
21.	F. Y. Yang, Kai Liu, Kimin Hong, D. H. Reich, P. C. Searson, and C. L. Chien, "Shubnikov-de Haas oscillations in electrodeposited single-crystal bismuth thin films", Physical Review B 61 , 6631-6636 (2000).	(PDF, 189KB)
20.	V. Nikitenko, V. Gornakov, A. Shapiro, R. Shull, Kai Liu, S. M. Zhou and C. L. Chien, "Asymmetry in elementary events of magnetization reversal in ferromagnetic/antiferromagnetic bilayer", Physical Review Letters, 84, 765-768 (2000).	(PDF, 794KB)
19.	F. Y. Yang, Kai Liu, Kimin Hong, D. H. Reich, P. C. Searson, and C. L. Chien, "Large magnetoresistance in electrodeposited single-crystal bismuth thin films", Science 284, 1335-1337 (1999).	(PDF, 87KB)
18.	H. S. Wang, Qi Li, Kai Liu, and C. L. Chien, "Low-field magnetoresistance anisotropy in ultrathin Pr_0.67Sr_0.33MnO₃ films grown on different substrates", Applied Physics Letters, 74, 2212-2214 (1999).	(PDF, 92KB)
17.	F. Y. Yang, Kai Liu, C. L. Chien, and P. C. Searson, "Large magnetoresistance and finite-size effects in electrodeposited single-crystal Bi thin films", Physical Review Letters 82, 3328-3331 (1999).	(PDF, 578KB)
16.	Zhi Yu, Kai Liu, Zhuang Jing Zhong, Jianqing Tao, and Xiao-Zeng You, "Rapid cooling and magnetic field induced cooperative effect for the metastable quintet state in a spin crossover complex", Applied Physics Letters, 74, 4029-4031 (1999).	(PDF, 73KB)
15.	Cai-Ming Liu, Zhi Yu, Ren-Gen Xiong, Kai Liu, and Xiao-Zeng You, "Crystal structure and novel magnetic of three-dimensional manganese (11)-m-1, 3-Azido system", Inorganic Chemistry Communications 2, 31-34 (1999).	(PDF, 431KB)
14.	Kimin Hong, F. Y. Yang, Kai Liu, D. H. Reich, C. L. Chien, P. C. Searson, F. F. Balakirev, and G. S. Boebinger, "Giant positive magnetoresistance of Bi nanowire arrays in high magnetic fields", Journal of Applied Physics 85, 6184-6186 (1999).	(PDF, 76KB)
13.	J. W. Cai, Kai Liu, and C. L. Chien, "Exchange bias in the paramagnetic state," Physical Review B, 60 , 72-75 (1999).	(PDF, 84KB)
12.	T. Ambrose, Kai Liu, and C. L. Chien, "Doubly exchange-biased NiCoO/NiFe/Cu/NiFe/NiCoO spin valves", Journal of Applied Physics 85, 6124-6126 (1999).	(PDF, 66KB)
11.	Kai Liu, C. L. Chien, and P. C. Searson, "Finite size effect in Bi nanowires", Physical Review B 58, (Rapid Communications) R14681-R14684 (1998).	(PDF, 91KB)
10.	S. M. Zhou, Kai Liu, and C. L. Chien, "Exchange coupling and macroscopic domain structure in a wedged permalloy/FeMn bilayer", Physical Review B 58, (Rapid Communications) R14717-R14720 (1998).	(PDF, 83KB)
9.	Kai Liu, C. L. Chien, P. C. Searson, and Kui Yu-Zhang, "Structural and magneto-transport properties of electrodeposited bismuth nanowires", Applied Physics Letters, 73, 1436-1438 (1998).	(PDF, 131KB)
8.	Kai Liu and C. L. Chien, "Magnetic and magneto-transport properties of novel nanostructured networks", IEEE Transactions on Magnetics, 34, 1021-1023 (1998).	(PDF, 440KB)
7.	Kai Liu, C. L. Chien, P. C. Searson, and Kui Yu-Zhang, "Giant positive magnetoresistance in arrays of semi-metallic bismuth nanowires", IEEE Transactions on Magnetics, 34 , 1093-1095 (1998).	(PDF, 428KB)
6.	K. Liu, X. W. Wu, K. H. Ahn, C. L. Chien, and John Q. Xiao, "Origin of colossal magnetoresistance in Nd_1-x Ca_xMnO₃", Journal of Chinese Electron Microscopy Society 16 (4), 425 (1997).	(PDF, 517KB)
5.	K. H. Ahn, X. W. Wu, K. Liu, and C. L. Chien, "Effects of Fe doping in the colossal magnetoresistive La_1-x Ca_xMnO₃", Journal of Applied Physics 81, 5505-5507 (1997).	(PDF, 129KB)
4.	K. H. Ahn, X. W. Wu, K. Liu, and C. L. Chien, "Magnetic properties and colossal magnetoresistance of La(Ca)MnO₃ materials doped with Fe", Physical Review B 54, 15299-15302 (1996).	(PDF, 105KB)
3.	K. Liu, X. W. Wu, K. H. Ahn, T. Sulchek, C. L. Chien, and John Q. Xiao, "Charge Ordering and Magnetoresistance in Nd_1-x Ca_xMnO₃ Due to Reduced Double Exchange", Physical Review B 54, 3007-3010 (1996).	(PDF, 821KB)
2.	K. Liu, K. Nagodawithana, P. C. Searson, and C. L. Chien, "Perpendicular giant magnetoresistance of multilayered Co/Cu nanowires", Physical Review B 51, (Rapid Communications) 7381-7384 (1995).	(PDF, 1.2MB)
1.	John Q. Xiao, K. Liu, C. L. Chien, L. F. Schelp, and J. E. Schmidt, "Effects of Ar-ion implantation and annealing on structural and magnetic properties of Co/Pd multilayers", Journal of Applied Physics 76, 6081-6083 (1994).	(PDF, 357KB)

Proceedings and Other Publications

37.	Kai Liu, "Preface: Proceedings of the 61st Annual Conference on Magnetism and Magnetic Materials, October 31–November 4, 2016, New Orleans, LA, USA", *AIP Advances, 7, 055501 (2017).*
36.	D. A. Gilbert, A. J. Grutter, E. Arenholz, K. Liu, B. J. Kirby, J. A. Borchers, and B. B. Maranville, "Beyond the interface limit: structural and magnetic depth profiles of voltage-controlled magneto-ionic heterostructures", *NIST Center for Neutron Research 2016 Accomplishments and Opportunities, 24-25 (2016).*
35.	D. A. Gilbert, B. B. Maranville, A. L. Balk, B. J. Kirby, P. Fischer, D. T. Pierce, J. Unguris, J. A. Borchers, and Kai Liu, "Realization of ground-state artificial skyrmion lattices at room temperature", *NIST Center for Neutron Research 2016 Accomplishments and Opportunities, 20-21 (2016).*
34.	D. A. Gilbert, J. W. Liao, L. W. Wang, J. W. Lau, T. J. Klemmer,J. U. Thiele, C. H. Lai, and Kai Liu, "Magnetometry-based order parameter to probe the A1 to L1₀ transformation in FeCuPt for heat-assisted magnetic recording media", invited, *Proceedings of the INTERMAG 2015, IEEE International Magnetics Conference Digest, AA-06, DOI: 10.1109/INTMAG.2015.7156496 (2015).*
33.	D. A. Gilbert, G. T. Zimanyi, R. K. Dumas, M. Winklhofer, A. Gomez, N Eibagi, J. L. Vicent, and Kai Liu, "Distinguishing Nearest Neighbor and Mean Field Interactions in Nanomagnet Arrays Using the FORC Technique", Proceedings of the INTERMAG 2014, IEEE International Magnetics Conference Digest, FH-05 (2014).
32.	J.W. Liao, U. Atxitia, D. Gilbert, R. Evans, B. Kirby, Kai Liu, R. Chantrell, C. H. Lai, "Magnetization reversal modes in L1₀ FePt based exchange spring magnets with magnetically soft layers of varied Curie temperature", Proceedings of the INTERMAG 2014, IEEE International Magnetics Conference Digest, ES-08 (2014).
31.	Da-Wei Shi, P. Greene, P. Liu, K. Javed, Kai Liu, and Xiu-Feng Han, "Magnetic multilayers on self-organized hexagonal patterned nanodots", Proceedings of the INTERMAG 2014, IEEE International Magnetics Conference Digest, BW-17 (2014).
30.	D. A Gilbert, J. W. Liao, L. W. Wang, T. J. Klemmer, J. U. Thiele, C. H. Lai, and Kai Liu, "Probing the A1 to L1₀ Transformation in FeCuPt Using the First Order Reversal Curve Method", Proceedings of the INTERMAG 2014, IEEE International Magnetics Conference Digest, BB-11 (2014).
29.	A. M. Thron, P. Greene, Kai Liu, and Klaus van Benthem, "In-situ Heating Investigations of Dewetting Transitions in Ultra-Thin Ni Films on SiO₂ Layers", *Microscopy and Microanalysis, 19, Supplement S2 (Proceedings of Microscopy & Microanalysis 2013), 450-451 (2013).*
28.	J. S. McCloy, W. Jiang,J. Sundararajan, Y. Qiang, E. Burks, and Kai Liu, "Structure and magnetic properties of irradiated Fe-Fe oxide core-shell nanoclusters", *AIP Conference Proceedings, 1525, 659-662 (2013).*
27.	A. M. Thron, P. Greene, Kai Liu, and Klaus van Benthem, "Wetting-Dewetting Transitions of Ultrathin Nickel Films Deposited on Silicon (100) Substrates", *Microscopy and Microanalysis, 17, Supplement S2 (Proceedings of Microscopy & Microanalysis 2011), 1328-1329 (2011).*
26.	B. J. Kirby, J. E. Davies, P. Greene, Kai Liu, S. M. Watson, G. T. Zimanyi, R. D. Shull, P. A. Kienzle, and J. A. Borchers, "Directly Probing Anisotropy Gradients Using Polarized Neutron Reflectometry", *NIST Center for Neutron Research 2011 Accomplishments and Opportunities, 49 (2011).*
25.	J. Liao, H. Hou, R. K. Dumas, R. Chen, Kai Liu, and C. Lai, "Reduced intrinsic switching field distribution of CoPtCr-SiO₂ recording media grown on MnRu intermediate layers", 2011 IEEE International Magnetics Conference Digest, FW-05 (2011).
24.	D. A. Gilbert and Kai Liu, "Probing magnetic configurations and interactions in embedded multilayered Co/Pd nanowires", 2011 IEEE International Magnetics Conference Digest, FB-03 (2011).
23.	B. F. Valcu, D. A. Gilbert, and Kai Liu, "Fingerprinting Inhomogeneities in Magnetic Recording Media using the First Order Reversal Curve Method", 2011 IEEE International Magnetics Conference Digest, CE-08 (2011).
22.	P. K. Greene, B.J. Kirby, J.A. Borchers, J.W. Lau and Kai Liu, "Deposition order dependent magnetization reversal of pressure graded Co/Pd films", 2011 IEEE International Magnetics Conference Digest, AB-03 (2011).
21.	A. M. Thron, P. Greene, Kai Liu, and Klaus van Benthem, "Atomic Level Mechanisms of Solid-State Dewetting in Thin Metal Films Deposited on Silicon (100) Substrates", *Microscopy and Microanalysis, 16, Supplement S2 (Proceedings of Microscopy & Microanalysis 2010), 1462-1463 (2010).*
20.	I.V. Roshchin, C. Li, H. Suhl, X. Batlle, S. Roy, S. Sinha, S. Park, R. Pynn, M.R. Fitzsimmons, J. Mejia-Lopez, D. Altbir, A. Romero, R. Dumas, Kai Liu, and I. K. Schuller, "Magnetic Vortices in Sub-100 nm Magnets", invited, *Proc. of International Conference on Electromagnetics in Advanced Applications, 2009 - ICEAA '09, 1028 - 1029 (2009).*
19.	C. Y. Fong, M. Shaughnessy, R. Snow, Kai Liu, J. E. Pask and L. H. Yang, "Physical origin of measured magnetic moment in Mn_xSi_1-x with x = 0.1%", invited, *Proceedings of SPIE, 7398, 73980J-1-13 (2009).*
18.	R. K. Dumas, P. Greene and Kai Liu, "First order reversal curve analysis of magnetization and magnetoresistance of Co/Cu multilayer thin films", 2009 IEEE International Magnetics Conference Digest, GF-07, (2009).
17.	R.K. Dumas, J.Wong, P. Greene and Kai Liu, "Probing magnetic configurations in Co/Cu multilayered nanowires", 2009 IEEE International Magnetics Conference Digest, EE-02, (2009).
16.	Z. Liu, R. Brandt, R. K. Dumas, C. Li, I. K. Schuller, Kai Liu, and H. Schmidt, "Static and dynamic properties of sub-100 nm Fe nanodot arrays", 2009 IEEE International Magnetics Conference Digest, DQ-01, (2009).
15.	J. Persson, S. Bonetti, M. Gothelid, O. Tjernberg, J. Akerman, R.K. Dumas, Kai Liu, O. Karis, M.Wikberg and P. Svedlindh, "Magnetic interactions and effects of N-codoping in Mn doped ZnO", 2009 IEEE International Magnetics Conference Digest, AF-08, (2009).
14.	Jared Wong, Peter Greene, Randy K. Dumas, Kai Liu, "Single Domain to Vortex State Transition in Multilayered Cobalt/Copper Nanowires", invited, Proceedings of SPIE, 7036, 703610-1-10 (2008).
13.	Chunsheng Du, J. Yun, R. K. Dumas, X. Yuan, Kai Liu, N. D. Browning and Ning Pan, "Synthesis of three-dimensional Mn₃O₄ Nanowires", *NSTI Nanotech 2007, Technical Proceedings 1, 414-417 (2007).*
12.	M. Asta, S. M. Kauzlarich, Kai Liu, A. Navrotsky, and F. E. Osterloh, "Inorganic Nanoparticles - Unique Properties and Novel Applications", *Material Matters, 2 (1), 3-6 (2007).*
11.	D. Dosev, M. Nichkova, R. K. Dumas, Kai Liu, I. M. Kennedy, "Spray pyrolysis synthesis of particles possessing magnetic and luminescent properties. Application of magnetic/luminescent particles in immunoassays", in BioMEMS and Nanotechnology II, Dan V. Nicolau, Editor, Proceedings of SPIE, 6036, 60360T-1-10 (2006).
10.	J. E. Davies, Kai Liu, E. E. Fullerton, J. S. Jiang, S. D. Bader, "Effect of hard layer demagnetization on the magnetization reversal of epitaxial Fe/SmCo spring magnets", *2006 IEEE International Magnetics Conference Digest, p. 820, (2006).*
9.	Kai Liu, J. E. Davies, R. K. Dumas, G. T. Zimanyi, O. Hellwig, E. E. Fullerton, J. S. Jiang, S. D. Bader, G. Denbeaux, J. B. Kortright, I. V. Roshchin, C. P. Li, I. K. Schuller, "First-Order Reversal Curve Studies of Magnetization Reversal in Prototype Recording Media", Invited, *2006 IEEE International Magnetics Conference Digest, p. 719, (2006).*
8.	E. Arenholz, K. Liu, Z. P. Li, I. K. Schuller, "Magnetization reversal in the ferromagnetic layer, the antiferromagnetic layer and near the interface of exchange biased FeF₂ and MnF₂ systems", *2006 IEEE International Magnetics Conference Digest, p. 408, (2006).*
7.	I. V. Roshchin, C. Li, Z. P. Li, J. Mejia-Lopez, D. Altbir, A. H. Romero, R. K. Dumas, Kai Liu, X. Batlle, I. K. Schuller, "Effect of Anisotropy and Exchange Bias on Reversal of Sub-100 nm Magnetic Dots", *2006 IEEE International Magnetics Conference Digest, p. 404, (2006).*
6.	Kai Liu, Sung-Jin Cho, S. M. Kauzlarich, J. C. Idrobo, J. E. Davies, J. Olamit, N. D. Browning, A. M. Shahin, G. J. Long, and F. Grandjean, "Fe-Core/Au-Shell Nanoparticles: Growth Mechanisms, Oxidation and Aging Effects", invited, in Degradation Processes in Nanostructured Materials, edited by M. Chipara, O. Puglisi, R. Skomski, and B. S. Hsiao (Materials Research Society Symposium Proceedings, 887, Warrendale, PA, 2006 ) 0887-Q07-04.
5.	D. Dosev, M. Nichkova, R. K. Dumas, Kai Liu, I. M. Kennedy, "Spray pyrolysis synthesis of particles possessing magnetic and fluorescent properties. Application of magnetic/fluorescent particles in immunoassays", *AIChE Annual Meeting, Conference Proceedings, p. 11352-11364 (2005).*
4.	Kai Liu, J. E. Davies, O. Hellwig, E. E. Fullerton, G. Denbeaux, J. B. Kortright, H. G. Katzgraber, C. R. Pike, R. T. Scalettar, K. L. Verosub, G. T. Zimanyi, and I. K. Schuller, "Fingerprinting magnetic hysteresis", invited, Proceedings of the 11^thAnnual International Conference on Composites/Nano Engineering (ICCE-11), p445 (2004).
3.	Kai Liu, L. Zhao, P. Klavins, F. E. Osterloh, J. Nogues, C. Leighton, H. Masuda, K. Nishio, I. V. Roshchin, and I. K. Schuller, "Synthesis and Thermal stability of nanomagnets", invited, Proceedings of the 10^thAnnual International Conference on Composites/Nano Engineering (ICCE-10), p.429-430 (2003).
2.	Kai Liu, J. Nogues, C. Leighton, I. K. Schuller, S. M. Baker, M. Tuominen, T. P. Russell, H. Masuda, and K. Nishio, "Exchange biased magnetic nanostructures", invited, Proceedings of the 2002 Symposium for Chinese Scholars on Magnetoelectronics and Superconducting Electrical Engineering, p.64-75 (2002).
1.	K.Nagodawithana, K. Liu, P. C. Searson, and C. L. Chien, "Processing and properties of electrodeposited Co/Cu multilayered nanowires" Proceedings of the Symposium on Nanostructured Materials in Electrochemistry, Electrochemical Society Proceedings Vol. 95-8, edited by P. C. Searson and G. J. Meyer, p.237-243 (1995).

Updated 8/2021

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