Last updated 2023.08.19 by K. J. Lee
2023
Kyoul Han, Kyung Jae Lee, Sanghoon Lee, Xinyu Liu, Margaret Dobrowolska, and Jacek K. Furdyna
"Field-free spin-orbit-torque switching of a single ferromagnetic layer with fourfold in-plane magnetic anisotropy"
APL Mater 11, 081114 (2023)
Kyoul Han, Kyung Jae Lee, Sanghoon Lee, Xinyu Liu, Margaret Dobrowolska, and Jacek K. Furdyna
"Investigation of orthogonal spin-orbit fields in crystalline ferromagnetic films with four-fold in-plane magnetic anisotropy"
APL Mater 11, 051114 (2023)
Seul-Ki Bac, Sanghoon Lee, Xinyu Liu, Margaret Dobrowolska, and Jacek K. Furdyna
"Effect of annealing on the magnetic anisotropy of GaMnAsP layers with graded P concentration"
Journal of Vacuum Science & Technology A 41, 022704 (2023)
Kyoul Han, Kyung Jae Lee, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Effect of spin-orbit field on magnetization reversal in GaMnAs single layers with 4-fold in-plane magnetic anisotropy"
AIP Advances 13, 025229 (2023)
Kyung Jae Lee, Kyoul Han, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Multilevel states driven by spin-orbit torque in a P-composition graded (Ga,Mn)(As,P) film"
AIP Advances 13, 025122 (2023)
2022
Seongjin Park, Kyung Jae Lee, Kyoul Han, Sanghoon Lee, Xinyu Liu, Margaret Dobrowolska, and Jacek K. Furdyna
"Spin orbit torque switching of magnetization in the presence of two different orthogonal spin-orbit magnetic fields"
Appl. Phys. Lett. 121, 112403 (2022)
Phunvira Chongthanaphisut, Kyung Jae Lee, Sanghoon Lee, X. Liu, M. Dobrowolska, and J. K. Furdyna
"Gate control of interlayer exchange coupling in ferromagnetic semiconductor trilayers with perpendicular magnetic anisotropy"
APL Mater. 10, 041102 (2022)
S.-K. Bac, X. Liu, M. Dobrowolska, S. Lee and J.K. Furdyna
"Effect of Non-Local Growth Dynamics on Magnetic Properties of Composition-Graded Ga1-xMnxAs1-yPy Ferromagnetic Films"
ACTA PHYSICA POLONICA A, No. 3 Vol. 141 (2022)
2021
Seul-Ki Bac, Sanghoon Lee, Xinyu Liu, Malgorzata Dobrowolska, Badih A. Assaf, and Jacek K. Furdyna
"Magnetic anisotropy of ferromagnetic Ga1-xMnxAs1-yPy films with graded composition"
Phys. Rev. Materials 5, 054414 Published 28 May 2021
Seongjoon Park, Shinwoo Lee, Kyung Jae Lee, SeongJin Park, Phunvira Chongthanaphisut, Jiyeong Jang, Sanghoon Lee, Xinyu Liu, M. Dobrowolska & Jacek K. Furdyna
"Quantitative determination of spin?orbit?induced magnetic feld in GaMnAs by feld-scan planar Hall measurements"
Scientific Reports volume 11, Article number: 10263 (2021)
Suho Choi, Kyung Jae Lee, Seonghoon Choi, Phunvira Chongthanaphisut, Seul-Ki Bac, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, Jacek K. Furdyna
"Controllable Exchange Bias Effect in (Ga, Mn)As/(Ga, Mn)(As, P) Bilayers With Non-Collinear Magnetic Anisotropy"
IEEE Transactions on Magnetics ( Volume: 57, Issue: 2, Feb. 2021)
Seongjin Park, Kyung Jae Lee, Sanghoon Lee, Xinyu Liu, Margaret Dobrowolska, and Jacek K. Furdyna
"Spin?orbit torque switching in a single (Ga,Mn)(As,P) layer with perpendicular magnetic anisotropy"
APL Materials 9, 101102 (2021)
2020
Phunvira Chongthanaphisut1, Kyung Jae Lee1, Seongjin Park1, Jiyoung Jang1, Sanghoon Lee1,a), X. Liu2, M. Dobrowolska2, and J. K. Furdyna
"Temperature-induced antiferromagnetic interlayer exchange coupling in (Ga,Mn)(As,P)-based trilayer structure"
Journal of Applied Physics 127, 183902 (2020)
Ryan F. Need, Seul-Ki Bac, Xinyu Liu, Sanghoon Lee, Brian J. Kirby, Margaret Dobrowolska, Jacek Kossut, and Jacek K. Furdyna
"Magnetic properties and electronic origin of the interface between dilute magnetic semiconductors with orthogonal magnetic anisotropy"
Phys. Rev. Materials 4, 054410 ? Published 15 May 2020
2019
Suho Choi, Seul-Ki Bac, Xinyu Liu, Sanghoon Lee, Sining Dong, M. Dobrowolska & J. K. Furdyna
"Exchange bias in ferromagnetic bilayers with orthogonal anisotropies: the case of GaMnAsP/GaMnAs combination"
Scientific Reports volume 9, Article number: 13061 (2019)
Sining Dong, Yong-Lei Wang, Seul-Ki Bac, Xinyu Liu, Vitalii Vlasko-Vlasov, Wai-Kwong Kwok, Sergei Rouvimov, Sanghoon Lee, Margaret Dobrowolska, and Jacek K. Furdyna
"Programmable bias field observed in graded ferromagnetic semiconductor films with broken symmetry"
Phys. Rev. Materials 3, 074407 ??Published 19 July 2019
Sanghoon Lee, Sunjae Chung, Hakjoon Lee, Xinyu Liu, M. Dobrowolska and J. K. Furdyna
"Interlayer exchange coupling in (Ga,Mn)As ferromagnetic semiconductor multilayer systems"
Journal of Semiconductors, July 2019
Sangyeop Lee, Kyung Jae Lee, Seonghoon Choi, Seul-Ki Bac, Jihoon Chang, Suho Choi, Phunvira Chongthanaphisut, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, Jacek K. Furdyna
"Noncollinear magnetoresistance of trilayers consisting of two ferromagnetic GaMnAs layers and a nonmagnetic GaAs:Be spacer"
Journal of Crystal Growth Volume 512, 15 April 2019, Pages 176-180
Jihoon Chang, Seonghoon Choi, Kyung Jae Lee, Seul-Ki Bac, Suho Choi, Phunvira Chongthanaphisut, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, Jacek K. Furdyna
"Effects of film thickness and annealing on the magnetic properties of GaMnAsP ferromagnetic semiconductor"
Journal of Crystal Growth Volume 512, 15 April 2019, Pages 112-118
Phunvira Chongthanaphisut, Seul-Ki Bac, Seonghoon Choi, Kyung Jae Lee, Jihoon Chang, Suho Choi, Sanghoon Lee, Moses Nnaji, X. Liu, M. Dobrowolska & J. K. Furdyna
"Interlayer exchange coupling in ferromagnetic semiconductor trilayers with out-of-plane magnetic anisotropy"
Scientific Reports 9, Article number: 4740 (2019)
Sanghoon Lee, Sangyeop Lee, Seul-Ki Bac, Seonghoon Choi, Xinyu Liu, M. Dobrowolska and Jacek K. Furdyna
"Spin-Orbit-Induced Effective Magnetic Field in GaMnAs Ferromagnetic Semiconductor"
IEEE TRANSACTIONS ON MAGNETICS, VOL. 55, NO. 2, FEBRUARY 2019
Kritsanu Tivakornsasithorn, Sangyeop Lee, Seul-Ki Bac, Seonghoon Choi, Sanghoon Lee, Xinyu Liu, Margaret Dobrowolska and Jacek K. Furdyna
"Interlayer Exchange Coupling Between Fe and GaMnAs Ferromagnetic Semiconductor"
IEEE TRANSACTIONS ON MAGNETICS, VOL. 55, NO. 2, FEBRUARY 2019
2018
Seul-Ki Bac, Hakjoon Lee, Sangyeop Lee, Seonghoon Choi, Sanghoon Lee, X. Liu, M. Dobrowolska, J. K. Furdyna
"Effects on Magnetic Properties of GaMnAs Induced by Proximity of Topological Insulator Bi2Se3"
Journal of Electronic Materials August 2018, Volume 47, Issue 8, pp 4308??313
Kritsanu Tivakornsasithorn, Taehee Yoo, Hakjoon Lee, Sangyeop Lee, Seonghoon Choi, Seul-Ki Bac, Kyung Jae Lee, Sanghoon Lee, Xinyu Liu, M. Dobrowolska and Jacek K. Furdyna
"Magnetization reversal and interlayer exchange coupling in ferromagnetic metal/semiconductor Fe/GaMnAs hybrid bilayers"
Scientific Reports 8, Article number: 10570 (2018)
J.K. Furdyna, S.-N. Dong, S. Lee, X. Liu, M. Dobrowolska
"Magnetic chalcogenides in 3 and lower dimensions"
Physica C: Superconductivity and its Applications
Volume 549, 15 June 2018, Pages 44-53
Xinyu Liu, Xiang Li, Seul-Ki Bac, Xucheng Zhang, Sining Dong, Sanghoon Lee, Margaret Dobrowolska, and Jacek K. Furdyna
"Ferromagnetic resonance and spin-wave resonances in GaMnAsP films"
AIP Advances 8, 056402 (2018)
Xiang Li, Seul-Ki Bac, Sining Dong, Xinyu Liu, Sanghoon Lee, Sergei Rouvimov, Margaret Dobrowolska, and Jacek K. Furdyna
"Orthogonal interfacial exchange coupling in GaMnAsP/GaMnAs bilayers"
AIP Advances 8, 056401 (2018)
Xiang Li, Xinyu Liu, Sining Dong, Cameron Gorsak, Jacek K. Furdyna, Margaret Dobrowolska, Seul-Ki Bac, Sanghoon Lee, Sergei Rouvimov
"Dependence of ferromagnetic properties on phosphorus concentration in Ga1-xMnxAs1-yPy"
Journal of Vacuum Science & Technology B 36, 02D104 (2018)
Xinyu Liu, Seul Ki Bac, Pitambar Sapkota, Cameron Gorsak, Xiang Li, Sining Dong, Sang Hoon Lee, Sylwia Ptasinska, Jacek K. Furdyna, Margaret Dobrowolska
"In situ annealing of III1-xMnxV ferromagnetic semiconductors"
Journal of Vacuum Science & Technology B 36, 02D102 (2018)
Kyung Jae Lee, Sangyeop Lee, Seul-Ki Bac, Seonghoon Choi, Hakjoon Lee, Jihoon Chang, Suho Choi, Phunvira Chongthanaphisut, Sanghoon Lee, X. Liu, M. Dobrowolska and J. K. Furdyna
"Magnetization reversal in trilayer structures consisting of GaMnAs layers with opposite signs of anisotropic magnetoresistance"
Scientific Reports 8, Article number: 2288 (2018)
2017
Sangyeop Lee, Seul-Ki Bac, Seonghoon Choi, Hakjoon Lee, Taehee Yoo, and Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Non-volatile logic gates based on planar Hall effect in magnetic films with two in-plane easy axes"
Scientific Reports 7, Article number: 1115 (2017)
Sangyeop Lee, Taehee Yoo, Seul-Ki Bac, Seonghoon Choi, Hakjoon Lee, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Manipulation of magnetization in GaMnAs films by spin-orbit-induced magnetic fields"
Current Applied Physics Volume 17, Issue 5, May 2017, Pages 801??05
Sangyeop Lee, Taehee Yoo, Seul-Ki Bac, Seonghoon Choi, Hakjoon Lee, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Field-free manipulation of magnetization alignments in a Fe/GaAs/GaMnAs multilayer by spin-orbit-induced magnetic fields"
Scientific Reports 7, Article number: 10162 (2017)
Sangyeop Lee, Seonghoon Choi, Seul-Ki Bac, Kyung Jae Lee, Jihoon Chang, Suho Choi, Phunvira Chongthanaphisut, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Determination of current-induced spin-orbit effective magnetic field in GaMnAs ferromagnetic semiconductor"
Appl. Phys. Lett. 111, 252401 (2017)
Kritsanu Tivakornsasithorna, Taehee Yoo, Hakjoon Lee, Seonghoon Choi, Sanghoon Lee, Xinyu Liu, M. Dobrowolskac, Jacek K. Furdyna
"Spacer-thickness dependence of interlayer exchange coupling in GaMnAs/InGaAs/GaMnAs trilayers grown on ZnCdSe buffers"
Solid State Communications Volume 253, March 2017, Pages 37-41
Alviu Rey Nasir, Taehee Yoo, Seul-Ki Bac, Hakjoon Lee, Sangyeop Lee, Seonghoon Choi, Sanghoon Lee, Xinyu Liu, M. Dobrowolska, and Jacek K. Furdyna
"Effect of Underlying Bi2Se3 Surface on Magnetic Properties of Ni Films"
IEEE TRANSACTIONS ON MAGNETICS, VOL. 53, NO. 11, NOVEMBER 2017
Byeong-Gwan Cho, Dong-Ok Kim, Jae-Young Kim, Jae-Ho Chung, Sanghoon Lee, Yongseong Choi, Jun Woo Choi, Dong Ryeol Lee, Ki Bong Lee
"Surface Pinning Effect of an Antiferromagnetic Interlayer Exchange Coupling in (Ga1?’xMnxAs/GaAs:Be)10 Multilayer"
Journal of the Korean Physical Society July 2017, Volume 71, Issue 2, pp 121??25
Hakjoon Lee, Sangyeop Lee, Seonghoon Choi, Seul-Ki Bac, Sanghoon Lee*
"Interlayer exchange coupling in MBE-grown GaMnAs-based multilayer systems"
Journal of Crystal Growth Volume 477, 1 November 2017, Pages 188-192
Hakjoon Lee, Jihoon Chang, Phunvira Chongthanaphisut, Sangyeop Lee, Seonghoon Choi, Seul-Ki Bac, Alviu R. Nasir, Sanghoon Lee, A. Pardo, Sining Dong, X. Li, X. Liu, J. K. Furdyna, and M. Dobrowolska
"Magnetic anisotropy of quaternary GaMnAsP ferromagnetic semiconductor"
AIP Advances 7, 055809 (2017)
Taehee Yoo, Alviu Rey Nasir, Seul-Ki Bac, Sangyeop Lee, Seonghoon Choi, Sanghoon Lee, X. Liu, and J. K.Furdyna
"Magnetic properties of Ni films deposited on MBE grown Bi2Se3 layers"
AIP Advances 7, 055819 (2017)
2016
Sangyeop Lee, Seonghoon Choi, Seul-Ki Bac, Hakjoon Lee, Taehee Yoo, Sanghoon Lee, X. Liu, J. K. Furdyna
"Temperature-induced transition of magnetic anisotropy between in-plane and out-of-plane directions in GaMnAs film"
Solid StateCommunications244 7??1 (2016)
Seul-Ki Bac, H. Lee, S. Lee, S. Choi, T. Yoo, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Magnetic anisotropy of crystalline Fe films grown on (001) GaAs substrate using Ge buffer layers"
AIP Advances 6, 055806 (2016)
Seonghoon Choi, T. Yoo, S-K Bac, H. Lee, S. Lee, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Angular dependence of tunneling magnetoresistance in hybrid Fe/GaAlAs/GaMnAs magnetic tunnel junctions"
IEEE Transactions on Magnetics PP, (99)1 (2016)
2015
Seul-Ki Bac, H. Lee, S. Lee, S. Choi, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Observation of uniaxial anisotropy along the [100] direction in crystalline Fe film"
Scientific Reports 5, 17761 (2015)
Xiang Li, S. Dong, T. Yoo, X. Liu, Sanghoon Lee, J.K. Furdyna, and M. Dobrowolska
"Anisotropic AC magnetic susceptibility in (Ga,Mn)As Films"
IEEE Transactions on Magnetics 51, 2400704 (2015)
Hakjoon Lee, S. Lee, S. Choi, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Antiferromagnetic interlayer exchange coupling in ferromagnetic GaMnAs/GaAs:Be multilayers"
IEEE Transactions on Magnetics 51, 2400604 (2015)
Hakjoon Lee, S-K Bac, S. Lee, S. Choi, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Experimental determination of next-nearest-neighbor interlayer exchange coupling in ferromagnetic GaMnAs/GaAs:Be multilayers"
Applied Physics Letters 107, 192403 (2015)
Sunjae Chung, S. Lee, T. Yoo, H. Lee, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Determination of interlayer exchange fields acting on individual (Ga,Mn)As layers in (Ga,Mn)As/GaAs multilayers"
Japanese Journal of Applied Physics 54, 033001 (2015)
Seul-Ki Bac, H. Lee, S. Lee, S. Choi, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Thickness dependence of uniaxial anisotropy fields in GaMnAs films"
Applied Physcis Express 8, 033201 (2015)
2014
Yujin Jeong, H. Lee, S. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Effect of thermal annealing on the magnetic anisotropy of GaMnAs ferromagentic semiconductor"
Current Applied Physics 14, 1775 (2014)
Yujin Jeong, H. Lee, S. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Buffer layer dependence of magnetic anisotropy in Fe films grown GaAs substrate"
Solid State Communications 200, 1 (2014)
Taehee Yoo, Sanghoon Lee, X. Liu, J.K. Furdyna, D.U. Lee, and E.K. Kim
"Decimal tunneling magnetoresistacne state in Fe/GaAlAs/GaMnAs magnetic tunnel junction"
IEEE Transaction on Magnetics 50, 4401104 (2014)
Eunsung Seo, Joonmo Ahn, Wonjun Choi, Hakjoon Lee, Young Min Jhon, Sanghoon Lee, and Wonshik Choi
"Far-field control of focusing plasmonic waves through disordered nanoholes"
Optics Letters Vol. 39, Issue 20, pp. 5838-5841 (2014)
Hakjoon Lee, S. Choi, S. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Effect of light illumination on the[100]uniaxial magnetic anisotropy of GaMnAs film"
Solid State Communications 192 27 (2014)
Sangyeop Lee, J. Won, J. Shin, H. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Magnetization reversal behavior of GaMnAs film grown on Si substrate investigated by planar Hall measurements"
Applied Physcis Express 7, 063007 (2014)
Taehee Yoo, Sanghoon Lee, X. Liu, J.K. Furdyna, D.U. Lee, and E.K. Kim
"Magnetotransport properties of Fe/GaAlAs/GaMnAs hybrid magnetic trilayer structures"
Journal of Applied Physics 115, 17C715 (2014)
Hyehyeon Byeon, S. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Effect of annealing on the magnetic anisotropy of GaMnAs film with low Mn concentration"
Current Applied Physics 14, S34 (2014)
2013
Sunjae Chung, S. Lee, T. Yoo, H. Lee, J-H Chung, M.S. Choi, Sanghoon Lee, X. Liu, J.K. Furdyna, J-H Han, H-W Lee, and K-J Lee
"The critical role of next-nearest-neighbor interlayer interaction in the magentic behavior of magnetic/non-magnetic multilayers"
New Journal of Physics 15, 123025 (2013)
Jaehyuk Won, J. Shin, S. Lee, H. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Planar Hall effect in a single GaMnAs film grown on Si substrate"
Journal of Crystal Growth 378, 361 (2013)
Sangyeop Lee, H. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Coexistence of magnetic domains with in-plane and out-of-plane anisotropy in a single GaMnAs film"
Journal of Crystal Growth 378, 337 (2013)
Jaehyuk Won, J. Shin, Y. Gwon, H. Byeon, S. Lee, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Investigation of the magnetic anisotropy in ferromagnetic GaMnAs films by using the planar Hall effect"
Journal of the Korea Physics Society 62, 2099 (2013)
Taehee Yoo, S. Khym, H. Lee, S. Lee, Sanghoon Lee, X. Liu, J.K. Furdyna, D.U. Lee, and E.K. Kim
"Tunneling magnetoresistance from non-collinear alignment of magnetization in Fe/GaAlAs/GaMnAs magnetic tunnel junctions"
Applied Physics Letters 102, 212404 (2013)
Sangyeop Lee, H. Lee, T. Yoo, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Quantitative investigation of magnetic domains with in-plane and out-of-plane easy axes in GaMnAs films by Hall effect"
Journal of Applied Physics 113, 17C706 (2013)
Yoonjung Gwon, H. Byeon, J. Won, H. Lee, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Low field magnetization reversal behavior in GaMnAs films"
Journal of the Korean Physical Society 62, 1473 (2013)
Jaehyuk Won, J. Shin, S. Lee, T. Yoo, H. Lee, Sanghoon Lee, X. Liu, and J.K. Furdyna
"Temperature behavior of uniaxial anisotropy along [100] direction in GaMnAs films"
Applied Physics Express 6, 013001 (2013)
2012
Sungwon Khym, Taehee Yoo, Hakjoon Lee, Sangyeop Lee, Sanghoon Lee, Xinyu Liu, Jacek K. Furdyna, Dong Uk Lee and Eun Kyu Kim
"Multi-Valued Planar Hall Resistance Manipulated by Current Induced Magnetic Field in Fe Films Grown on GaAs(001) Substrates"
Applied Physics Express, Volume 5, Number 9
Sanghoon Lee, Sunjae Chung, Sangyeop Lee, Hakjoon Lee, Taehee Yoo, X. Liu, J.K. Furdyna
"Magnetotransport properties of ferromagnetic semiconductor GaMnAs-based superlattices"
Current Applied Physics Volume 12, Supplement 2, September 2012, Pages S31-S36
Seonghoon Choi, Taehee Yoo, S. Khym, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Field-controllable exchange bias in epitaxial Fe films grown on GaAs"
Appl. Phys. Lett. 101, 132403 (2012)
Taehee Yoo, S. Khym, Hakjoon Lee, Sangyeop Lee, Sanghoon Lee, X. Liu, J. K. Furdyna, Dong Uk Lee, and Eun Kyu Kim
"Quaternary memory device fabricated from a single layer Fe film"
Journal of Applied Physics 111, 07C704 (2012)
Sunjae Chung, Sangyeop Lee, Hakjoon Lee, Taehee Yoo, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Investigation of superlattices based on ferromagnetic semiconductor GaMnAs by planar Hall effect"
Journal of Applied Physics 111, 07D310 (2012)
2011
Jungtaek Kim, Hakjoon Lee, Taehee Yoo, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Effect of pinning-field distribution on the process of magnetization reversal in Ga1?’xMnxAs films"
Phys. Rev. B 84, 184407
Taehee Yoo, S. Khym, Hakjoon Lee, Sangyeop Lee, Shinhee Kim, Jinsik Shin, Sanghoon Lee, X. Liu, J. K. Furdyna
"Use of the Asymmetric Planar Hall Resistance of an Fe Film for Possible Multi-Value Memory Device Applications"
Journal of Nanoscience and Nanotechnology, Volume 11, Number 7, July 2011, pp. 5990-5994(5)
Jae-Ho Chung, Young-Sang Song, Taehee Yoo, Sun Jae Chung, Sanghoon Lee, B. J. Kirby, X. Liu, and J. K. Furdyna
"Investigation of weak interlayer exchange coupling in GaMnAs/GaAs superlattices with insulating nonmagnetic spacers"
Journal of Applied Physics 110, 013912 (2011)
Hakjoon Lee, Taehee Yoo, Sanghoon Lee, M. Dobrowolska, J. K. Furdyna
"Power and temperature dependent magneto-photoluminescence of the asymmetric double layers of quantumdots"
Journal of Crystal Growth Volume 323, Issue 1, 15 May 2011, Pages 172-175
Xinyu Liu, S. Shen, Z. Ge, W. L. Lim, M. Dobrowolska, J. K. Furdyna, and Sanghoon Lee
"Scaling relations between anomalous Hall and longitudinal transport coefficients in metallic (Ga,Mn)As films"
Phys. Rev. B 83, 144421
Sanghoon Lee, Taehee Yoo, Hakjoon Lee, Sungwon Khym, Xinyu Liu and Jacek K. Furdyna
"Magnetic Anisotropy of GaMnAs Film and Its Application in Multi-valued Memory Devices"
Japanese Journal of Applied Physics, Volume 50, Number 4S
Jinsik Shin, Shinhee Kim, Sangyeop Lee, Taehee Yoo, Hakjoon Lee, S. Khym, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Asymmetry in the angular dependence of the switching field of GaMnAs film"
Journal of Applied Physics 109, 07C308 (2011)
J. Leiner, K. Tivakornsasithorn, X. Liu, J. K. Furdyna, M. Dobrowolska, B. J. Kirby, H. Lee, T. Yoo, and Sanghoon Lee
"Antiferromagnetic exchange coupling between GaMnAs layers separated by a nonmagnetic GaAs:Be spacer"
Journal of Applied Physics 109, 07C307 (2011)
2010
J. Leiner, H. Lee, T. Yoo, Sanghoon Lee, B. J. Kirby, K. Tivakornsasithorn, X. Liu, J. K. Furdyna, and M. Dobrowolska
"Observation of antiferromagnetic interlayer exchange coupling in a Ga1?’xMnxAs/GaAs:Be/Ga1?’xMnxAs trilayer structure"
Phys. Rev. B 82, 195205
Jungtaek Kim, Sangyeop Lee, Sanghoon Lee, X. Liu, J. K. Furdyna
"Investigation of domain pinning fields in ferromagnetic GaMnAs films using angular dependence of the planar Hall effect"
Solid State Communications Volume 150, Issues 1??, January 2010, Pages 27-29
Sangyeop Lee, Hakjoon Lee, Taehee Yoo, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Influence of uniaxial anisotropy on the domain pinning fields of ferromagnetic Ga1?’xMnxAs films"
Journal of Applied Physics 108, 063910 (2010)
Sunjae Chung, Sanghoon Lee, J.-H. Chung, Taehee Yoo, Hakjoon Lee, B. Kirby, X. Liu, and J. K. Furdyna
"Giant magnetoresistance and long-range antiferromagnetic interlayer exchange coupling in (Ga,Mn)As/GaAs:Be multilayers"
Phys. Rev. B 82, 054420
Hakjoon Lee, Sunjae Chung, Taehee Yoo, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Reduction in the planar Hall resistance amplitude in the reversal process of Fe film with biaxial easy axes"
Journal of Applied Physics 107, 09C508 (2010)
Shinhee Kim, Hakjoon Lee, Taehee Yoo, Sangyeop Lee, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Mapping of magnetic anisotropy in strained ferromagnetic semiconductor GaMnAs films"
Journal of Applied Physics 107, 103911 (2010)
Hyung-chan Kim, S. Khym, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Magnetic anisotropy of Ga1?’xMnxAs films with additional nonmagnetic donor doping"
Journal of Applied Physics 107, 09C303 (2010)
Yungjun Kim, Sunjae Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Asymmetry in the reorientation process of magnetization for crossing the [11¯0] and the [110] directions in Ga1?’xMnxAs epilayers"
Journal of Applied Physics 107, 09C304 (2010)
Sunjae Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Magnetization reorientation in GaxMn1?’xAs films: Planar Hall effect measurements"
Phys. Rev. B 81, 155209
Taehee Yoo, S. Khym, Hakjoon Lee, Sunjae Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Asymmetry in the planar Hall resistance of Fe films grown on vicinal GaAs substrates"
Journal of Applied Physics 107, 09C505 (2010)
Hyunji Son, Sunjae Chung, Sun-young Yea, Shinhee Kim, Taehee Yoo, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Vertical gradient of magnetic anisotropy in the ferromagnetic semiconductor (Ga,Mn)As film"
Appl. Phys. Lett. 96, 092105 (2010)
2009
Taehee Yoo, S. Khym, Sun-young Yea, Sunjae Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Four discrete Hall resistance states in single-layer Fe film for quaternary memory devices"
Appl. Phys. Lett. 95, 202505 (2009)
D.Y. Shin, Sanghoon Lee, X. Liu, J.K. Furdyna
"Monitoring of magnetization processes in GaMnAs ferromagnetic film by electrical transport measurement"
Journal of Crystal Growth Volume 311, Issue 3, 15 January 2009, Pages 925-928
Sunjae Chung, H.C. Kim, Sanghoon Lee, X. Liu, J.K. Furdyna
"The effect of carrier density on magnetic anisotropy of the ferromagnetic semiconductor (Ga, Mn)As"
Solid State Communications Volume 149, Issues 41??2, November 2009, Pages 1739-1742
Taehee Yoo, Dongyun Shin, Jungtaek Kim, Hyungchan Kim, Sanghoon Lee, X. Liu, J.K. Furdyna
"Step feature observed in the angular dependence of magnetization switching fields in GaMnAs micro-device"
Current Applied Physics Volume 9, Issue 4, July 2009, Pages 773-776
Hyungchan Kim, Hakjoon Lee, S.J. Chung, Sanghoon Lee, Y.J. Cho, X. Liu, J.K. Furdyna
"Magneto-transport Properties of GaMnAs:Si FerromagneticSemiconductors"
J. Korean Phy. Soc. 2009; 55: 304~308
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Sanghoon Lee, J.-H. Chung, Xinyu Liu, Jacek K. Furdyna, Brian J. Kirby
"Ferromagnetic semiconductor GaMnAs"
Materials Today Volume 12, Issue 4, April 2009, Pages 14-21
Hakjoon Lee, Sunjae Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Magnetotransport properties of GaMnAs based trilayer structures with different thicknesses of InGaAs spacer layer"
Journal of Applied Physics 105, 07C505 (2009)
Jungtaek Kim, Taehee Yoo, Sunjae Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Quantitative analysis of the angle dependence of planar Hall effect observed in ferromagnetic GaMnAs film"
Journal of Applied Physics 105, 07C501 (2009)
2008
J.-H. Chung, S. J. Chung, Sanghoon Lee, B. J. Kirby, J. A. Borchers, Y. J. Cho, X. Liu, and J. K. Furdyna
"Carrier-Mediated Antiferromagnetic Interlayer Exchange Coupling in Diluted Magnetic Semiconductor Multilayers Ga1?’xMnxAs/GaAs:Be"
Phys. Rev. Lett. 101, 237202
Jungtaek Kim, D. Y. Shin, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Distribution of magnetic domain pinning fields in Ga1?’xMnxAs ferromagnetic films"
Phys. Rev. B 78, 075309
Sun-young Yea, S.J. Chung, Hyunji Son, D.Y. Shin, Sanghoon Lee, X. Liu, J.K. Furdyna
"Effect of chemical etching on magnetic anisotropy of ferromagnetic GaMnAs films studied by planar Hall effect"
Solid State Communications Volume 147, Issues 7??, August 2008, Pages 309-312
Sun-Young Yea, Sun-Jae Chung, Hyunji Son, and Sanghoon Lee
"Thickness dependence of magnetic domain pinning energy in GaMnAs ferromagnetic semiconductor films"
Journal of Applied Physics 103, 07D118 (2008)
Hyunji Son, Sun-jae Chung, Sun-young Yea, and Sanghoon Lee
"Quantitative investigation of the magnetic anisotropy in GaMnAs film by using Hall measurement"
Journal of Applied Physics 103, 07F313 (2008)
S.J. Chung, D.Y. Shin, Hyungchan Kim, Sanghoon Lee, X. Liu, J.K. Furdyna
"Magneto-transport Properties of a GaMnAs-Based Ferromagnetic Semiconductor Trilayer Structure Grown on a ZnMnSe Buffer"
Journal of Electronic Materials June 2008, Volume 37, Issue 6, pp 912??16
Taehee Yoo, Dongyun Shin, Jungtaek Kim, Hyungchan Kim, and Sanghoon Lee
"Effect of shape anisotropy on the magnetization reversal process of (Ga,Mn)As ferromagnetic semiconductors"
Journal of Applied Physics 103, 07D119 (2008)
Jungtaek Kim, D. Y. Shin, Taehee Yoo, Hyungchan Kim, and Sanghoon Lee
"Single and multidomain characteristics of GaMnAs investigated by magnetotransport measurements"
Journal of Applied Physics 103, 07D101 (2008)
2007
D.Y. Shin, S. J. Chung, Sanghoon Lee, X. Liu, J. K. Furdyna
"Stable multi-domain structures formed in the process of magnetization reversal in GaMnAs ferromagnetic semiconductor thin films"
Phys. Rev. Lett. 98, 047201
S. Lee, M. Dobrowolska and J. K. Furdyna
"Zeeman mapping of exciton localization in self-assembled CdSe quantum dots using diluted magnetic semiconductors"
Solid State Communications 141, 311-315
Sanghoon Lee , M. Dobrowolska and J. K. Furdyna
"Magneto-Optical Properties of Non-Magnetic Semiconductor Quantum dot and Magnetic Quantum well Coupled Structures"
JKPS, 50, 824-828 (2007)
T. Kim , S. J. Chung , D. Y. Shin , I. S. Choi , Sanghoon Lee , X. Liu and J. K. Furdyna
"Strain-Engineered Magnetic Anisotropy of GaMnAs Ferromagnetic Semiconductors"
JKPS, 50 829-833 (2007)
Sanghoon Lee, M. Dobrowolska and J.K. Furdyna
"Growth and magneto-optical properties of CdSe/ZnMnSe self-assembled quantum dots"
Journal of Crystal Growth, Volumes 301-302 (2007)
Sanghoon Lee, D.Y. Shin, E.K. Hyun, S.-R. Lee, M. Dobrowolska and J.K. Furdyna
"Enhancement of magnetic field in superconductor and magnetic semiconductor quantum well hybrid structure"
Journal of Crystal Growth, Volumes 301-302 (2007)
Sanghoon Lee, D. Y. Shin, S. J. Chung, X. Liu, and J. K. Furdyna
"Tunable quaternary states in ferromagnetic semiconductor GaMnAs single layer for memory devices"
Appl. Phys. Lett. 90, 152113 (2007)
Shin, D. Y. Chung, S. J. Lee, S. Liu, X. Furdyna, J. K.
"Precise Investigation of Domain Pinning Energy in GaMnAs Using Planar Hall Effect and Magnetoresistance Measurements"
IEEE Transactions on Magnetics, Volume 43,? Issue 6,? June Page(s):3025 - 3027 (2007)
J. H. Park, D. G. Choi, T. K. Lee, Eunsoon Oh, Sanghoon Lee, and J. K. Furdyna
"Localization and interdot carrier transfer in CdSe and CdZnMnSe quantum dots determined by cw and time-resolved photoluminescence"
Appl. Phys. Lett. 90, 201916 (2007)
S.J. Chung, D.Y. Shin, Hyunji Son, Sanghoon Lee, X. Liu and J.K. Furdyna
"Time stability of multi-domain states formed in the magnetization reversal process of GaMnAs film"
Solid State Communications,?Volume 143, Issues 4-5,?July (2007)
D. Y. Shin, S. J. Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna
"Temperature dependence of magnetic anisotropy in ferromagnetic (Ga,Mn)As films: Investigation by the planar Hall effect"
Phys. Rev. B 76, 035327 (2007)