于国强

简介


中国科学院物理研究所“特聘研究员”,博士生导师。1983年出生于黑龙江省。2007年7月于吉林大学(物理学院)获得理学学士学位。2012年7月于中国科学院物理研究所(磁学国家重点实验室)获凝聚态物理理学博士学位。2012年至2017年在加州大学洛杉矶分校(UCLA)从事博士后工作。2017年10月加入中国科学院物理研究所磁学国家重点实验室。获得中组部青年人才项目和中科院人才项目支持。

主要研究方向


从事自旋电子学(同时利用电子的自旋和电荷属性)材料和器件相关的研究。致力于探索磁性薄膜异质结材料与器件中自旋轨道耦合相关的物理效应及其在磁存储、磁逻辑方面的应用。目标是开发出具有高性能和高能源效率的新型自旋电子学器件。近几年来重点研究磁性薄膜异质结材料和器件中的自旋轨道力矩和室温拓扑磁性斯格明子。

过去的主要工作及获得的成果


 




  • 自旋轨道力矩研究相关成果



(1) H. Xu, J. Wei, H. Zhou, J. Feng, T. Xu, H. Du, C. He, Y. Huang, J. Zhang, Y. Liu, H. Wu, C. Guo, X. Wang, Y. Guang, H. Wei, Y. Peng, W. Jiang, G. Q. Yu*, X. Han “High Spin Hall Conductivity in Large-Area Type-II Dirac Semimetal PtTe2” Advanced Materials 32, 2000513 (2020) [成功制备了大面积、高质量、厚度可控的第二类狄拉克半金属PtTe2薄膜,证实了其具有非常大的自旋轨道力矩效应,自旋霍尔电导为范德瓦尔斯材料的纪录值。]



(2) X. Wang#, J. Tang#, X. Xia#, C. He, J. Zhang, Y. Liu, C. Wan, C. Fang, C. Guo, W. Yang, Y. Guang, X. Zhang, H. Xu, J. Wei, M. Liao, X. Lu, J. Feng, X. Li, Y. Peng, H. Wei, R.Yang, D. Shi, X. Zhang, Z. Han*, Z. Zhang, G. Zhang*, G. Q. Yu* and X. Han “Current-driven magnetization switching in a van der Waals ferromagnet Fe3GeTe2” Science Advances 5, eaaw8904 (2019) [实验证明了,可以利用自旋霍尔效应产生的自旋极化电流操控二维磁性材料Fe3GeTe2的磁矩。]



(3) Q. Shao#, C. Tang#, G. Q. Yu*, A. Navabi, H. Wu, C. He, J. Li, P. Upadhyaya, P. Zhang, S. A. Razavi, Q. L. He, Y. Liu, P. Yang, S. K. Kim, C. Zheng, Y. Liu, L. Pan, R. K Lake, X. Han, Y. Tserkovnyak, J. Shi, K. L. Wang* “Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films” Nature Communications 9, 3612 (2018) [实验证明,电流在无法通过磁性绝缘体的情况下仍然可以通过自旋轨道力矩驱动其磁矩翻转,并证明了自旋轨道力矩与铁磁层磁化强度的相关性。]



(4) Q. Shao#*, G. Q. Yu#*, Y. Lan#, Y. Shi, M. Li, C. Zheng, X. Zhu, L. Li, P. Amiri, K. L. Wang* "Strong Rashba-Edelstein Effect-Induced Spin-Orbit Torques in Monolayer Transition Metal Dichalcogenides/Ferromagnet Bilayers" Nano Letters 16 (12), pp 7514–7520 (2016) 引用次数:> 150次 [在可大规模生产的单层过渡金属硫化物/磁性薄膜复合结构中,发现了一个由Rashba效应导致产生的自旋轨道力矩,揭示了二维过渡金属硫化物作为自旋轨道力矩材料的潜力。]



(5) G. Q. Yu#*, P. Upadhyaya#, Y. B. Fan, J. G. Alzate, W. J. Jiang, K. L Wong, S. Takei, S. A. Bender, L. T. Chang, Y. Jiang, M. R. Lang, J. S. Tang, Y. Wang, Y. Tserkovnyak, P. Khalili Amiri, K. L Wang* “Switching of perpendicular magnetization by spin-orbit torques in the absence of external magnetic fields” Nature Nanotechnology 9, 548 (2014); Highlighted in Nature Nanotech. - News and Views; 引用次数:> 600次 [国际上首次证明了,在具有面内对称性破缺的楔形结构中,电流产生的自旋轨道力矩可以在零磁场条件下驱动垂直磁矩翻转]



(6) G. Q. Yu*, P. Upadhyaya, K. L. Wong, W. Jiang, J. G. Alzate, J. Tang, P. K. Amiri*, K. L. Wang* “Magnetization switching through spin-Hall-effect-induced chiral domain wall propagation” Physical Review B 89, 104421 (2014); 引用次数:> 100次 [揭示了自旋轨道矩驱动垂直磁矩翻转是通过驱动手性磁畴壁的运动实现的。]



(7) Y. Liu, G. Q. Yu* “MRAM gets closer to the core” Nature Electronics 2,555 (2019) [受邀为斯坦福研究团队的最新研究进展撰写评论文章。]



(8) G. Q. Yu* “Two-terminal MRAM with a spin” Nature Electronics 1, 496 (2018) [受邀为英特尔研发团队的最新研究进展撰写评论文章。]



  




  • 薄膜材料室温磁性斯格明子研究相关成果



(1) B. Cui, D. Yu, Z. Shao, Y. Liu, H. Wu, P. Nan, Z. Zhu, C. Wu, T. Guo, P. Chen, H. Zhou, L. Xi, W. Jiang, H. Wang, S. Liang, H. Du, K. L. Wang, W. Wang, K. Wu, X. Han, G. Zhang, H. Yang*, G. Q. Yu* “Néel-Type Elliptical Skyrmions in a Laterally Asymmetric Magnetic Multilayer” Advanced Materials 33, 2006924 (2021) [通过构建楔形薄膜,成功诱导出面内磁各向异性和DMI各向异性,进而实现室温椭圆形斯格明子。]



(2) Kejing Ran#, Yizhou Liu#, Yao Guang, David M Burn, Gerrit van der Laan, Thorsten Hesjedal*, Haifeng Du*, Guoqiang Yu*, Shilei Zhang* “Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures” Physical Review Letters 126, 017204 (2021);Editors' Suggestion;[通过构建多层膜/块体材料异质结构,成功利用多层膜中的斯格明子在块体材料中诱导实现磁浮子。]



(3) Y. Guang#, Y. Peng#, Z. Yan#, Y. Liu, J. Zhang, X. Zeng, S. Zhang, S. Zhang, D. M. Burn, N. Jaouen, J. Wei, H. Xu, J. Feng, C. Fang, G. v. d. Laan, T. Hesjedal, B. Cui, X. Zhang*, G. Q. Yu*, X. Han “Electron Beam Lithography of Magnetic Skyrmions” Advanced Materials 32, 2003003 (2020) [首次实验证明了,可以通过电子束来影响反铁磁异质结中交换偏置来产生单个斯格明子其及人工晶体。]



(4) Y. Guang#, I. Bykova#, Y. Liu#, G. Q. Yu*, E. Goering, M. Weigand, J. Gräfe, S. K. Kim, J. Zhang, H. Zhang, Z. Yan, W. Li, C. Wan, J. Feng, X. Wang, C. Guo, H. Wie, Y. Peng, Y. Tserkovnyak, X. Han, G. Schütz “Creating a 100-nm-scale zero-field skyrmion in exchange-biased multilayers through X-ray illumination” Nature Communications 11, 949 (2020) [首次实验证明了,可以通过X射线技术来影响反铁磁异质结中交换偏置来产生单个斯格明子其及人工晶体。]



(5) W. Li#, I. Bykova#, S. Zhang#, G. Q. Yu*, R. Tomasello, M. Carpentieri, Y. Liu, Y. Guang, J. Gräfe, M. Weigand, D. M. Burn, G. van der Laan, T. Hesjedal, Z. Yan, J. Feng, C. Wan, J. Wei, X. Wang, X. Zhang, H. Xu, C. Guo, H. Wei, G. Finocchio*, X. Han, G. Schütz “Anatomy of Skyrmionic Textures in Magnetic Multilayers” Advanced Materials 31, 1807683 (2019) [通过构建多层膜结构,实现了尺寸小于100 nm的室温斯格明子,并首次直接地证明了其具有三维的磁性结构。]



(6) X. Ma#*, G. Q. Yu#, S. A. Razavi, S. S. Sasaki, X. Li, K. Hao, S. H. Tolbert, K. L. Wang, and X. Li* "Dzyaloshinskii-Moriya interaction across an antiferromagnet-ferromagnet interface" Physical Review Letters 119, 027202 (2017) [实验揭示了反铁磁(IrMn)/铁磁异质结中同样存在相当大的DM相互作用,并揭示了DM相互作用与其反铁磁序的相关性。]



(7) G. Q. Yu#*, A. Jenkins#, X. Ma#, S. A. Razavi, C. He, G. Yin, Q.Shao, Q. He, H. Wu, W. Li, W. Jiang, X. Han, X. Li, A. C. B.Jayich, P. K. Amiri, K. L Wang* "Room-temperature skyrmions in an antiferromagnet-based heterostructure" Nano Letters 18, 980 (2018); [利用交换偏置有效磁场,在反铁磁(IrMn)/铁磁异质结中实现了室温不需要外加磁场的斯格明子稳定相。]



(8) G. Q. Yu*, P. Upadhyaya, Q. Shao, H. Wu, G. Yin, X. Li, C. He, W. Jiang, X. Han, P. K. Amiri*, and K. L. Wang* "Room-temperature skyrmion shift device for memory application" Nano Letters 17 (1), pp 261–268 (2017); 引用次数:> 100次 [通过控制电流脉冲的幅值和持续时间,实现了原型器件中单个斯格明子的精准写入和移动。基于此,首次实现了以斯格明子为信息载体的原型移位寄存器件。]



(9) G. Q. Yu#, P. Upadhyaya#, X. Li, W. Li, S. K. Kim, Y. Fan, K. L Wong, Y. Tserkovnyak, P. K. Amiri*, K. L Wang* “Room-temperature creation and spin-orbit torque manipulation of skyrmions in thin films with engineered asymmetry” Nano Letters 16, 1981 (2016) 引用次数:> 200次 [首次证明了通过调制薄膜材料中的磁各向异性能够在室温、低磁场的条件下产生稳定的斯格明子相。]



    至今已经在Science、Science Advances、Nature Nanotechnology、Nature Materials、Nature Physics、Nature Electronics、Nature Communications、Advanced Materials、Nano Letters、Physical Review Letters等国际重要期刊上发表学术论文100余篇,引用超过6000余次。


代表性论文及专利


论文和专利完整列表

---------------------------2021---------------------------



[117] Z.R. Yan, Y.Z. Liu, Y. Guang, K. Yue, J.F. Feng, R.K. Lake, G.Q. Yu*, and X.F. Han* “Skyrmion-Based Programmable Logic Device with Complete Boolean Logic Functions” Physical Review Applied 15, 064004 (2021) (Editor's Suggestion)



[116] Chun-I Lu, Shang-An Wang, Kristan Bryan Simbulan, Chak-Ming Liu, Xiao Wang, Guoqiang Yu, Wen-Chin Lin, Ting-Hua Lu* and Yann-Wan Lan* “Twisted light induced magnetic anisotropy changes in an interlayer exchange coupling system” Nanoscale Horizons 6, 462 (2021)



[115] Xiufeng Han*, Caihua Wan, Guoqiang Yu “Materials, physics, and devices of spin–orbit torque effect” Applied Physics Letters 118, 180401 (2021)



[114] Meng Huang, Shanshan Wang, Zhaohao Wang, Ping Liu, Junxiang Xiang, Chao Feng, Xiangqi Wang, Zengming Zhang, Zhenchao Wen, Hongjun Xu, Guoqiang Yu, Yalin Lu, Weisheng Zhao, Shengyuan A. Yang, Dazhi Hou*, and Bin Xiang* “Colossal Anomalous Hall Effect in Ferromagnetic van der Waals CrTe2ACS Nano (2021)



[113] X. F. Han*, X. Wang, C. H. Wan, G. Q. Yu, X. Lv “Spin-orbit torques: Materials, physics, and devices” Applied Physics Letters 118, 120502 (2021)



[112] Congli He, Hongjun Xu, Jian Tang, Xiao Wang, Jinwu Wei, Shipeng Shen, Qingqiang Chen, Qiming Shao, G. Q. Yu, Guangu Zhang, Shouguo Wang* “Spin-orbit torques based on two-dimensional materials” Acta Physica Sinica 70, 12 (2021)



[111] Congli He#, Qingqiang Chen#, Shipeng Shen, Jinwu Wei, Hongjun Xu, Yunchi Zhao, G. Q. Yu, Shouguo Wang* “Enhanced spin-orbit torque efficiency in Pt100–xNix alloy based magnetic bilayer” Chinese Physics B 30 037503 (2021)



[110] Baoshan Cui, Dongxing Yu, Ziji Shao, Yizhou Liu, Hao Wu, Pengfei Nan, Zengtai Zhu, Chuangwen Wu, Tengyu Guo, Peng Chen, Heng-An Zhou, Li Xi, Wanjun Jiang, Hao Wang, Shiheng Liang, Haifeng Du, Kang L. Wang, Wenhong Wang, Kehui Wu, Xiufeng Han, Guangyu Zhang, Hongxin Yang*, G. Q. Yu* “Néel-Type Elliptical Skyrmions in a Laterally Asymmetric Magnetic Multilayer” Advanced Materials 33, 2006924 (2021)



[109] Y Zhao, G Yang*, J Shen, S Gao, J Zhang, J Qi, H Lyu, G. Q. Yu, K Jin, S Wang* “Implementation of complete Boolean logic functions in single spin–orbit torque device” AIP Advances 11, 015045 (2021)



[108] C. H. Wan, M. E. Stebliy, X. Wang, G. Q. Yu, X. F. Han*, A. G. Kolesnikov, M. A. Bazrov, M. E. Letushev, A. V. Ognev, A. S. Samardak* “Gradual magnetization switching via domain nucleation driven by spin–orbit torque” Applied Physics Letters 118, 032407 (2021)



[107] Kejing Ran#, Yizhou Liu#, Yao Guang, David M Burn, Gerrit van der Laan, Thorsten Hesjedal*, Haifeng Du*, Guoqiang Yu*, Shilei Zhang* “Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures” Physical Review Letters 126, 017204 (2021)



[106] Yaowen Xing#, Zhengren Yan#, Jinwu Wei, Caihua Wan, Wenlong Yang, Yizhou Liu, Chi Fang, Xiao Wang, Chenyang Guo, Xiaomin Zhang, G. Q. Yu, Xiufeng Han* “Ferromagnetic resonance linewidth broadening induced by a tunable inhomogeneity effect” Journal of Magnetism and Magnetic Materials 517, 167215 (2021)



---------------------------2020---------------------------

[105] Armin Razavi, Hao Wu, Bingqian Dai, Haoran He, Di Wu, Kin Wong, G. Q. Yu, and Kang L. Wang “Spin–orbit torques in structures with asymmetric dusting layers” Applied Physics Letters 117, 182403 (2020)



[104] Congli He, Armin Razavi, Jinwu Wei, Hongjun Xu, G. Q. Yu, Kin L. Wong, Hao Wu, Shipeng Shen, Qingqiang Chen, Zhongming Zeng, Shouguo Wang*, and Kang L. Wang* “Interfacial spin transmission and spin–orbit torques in as-grown and annealed W/Co2FeAl/MgO multilayers” Applied Physics Letters 117, 172406 (2020)



[103] Meixia Chang, Jijun Yun, Yongbo Zhai, Baoshan Cui, Yalu Zuo, G. Q. Yu, Li Xi* “Field free magnetization switching in perpendicularly magnetized Pt/Co/FeNi/Ta structure by spin orbit torque” Applied Physics Letters 117, 142404 (2020)



[102] Zhengren Yan#, Yizhou Liu#, Yao Guang, Jiafeng Feng, Roger K Lake, Guoqiang Yu*, Xiufeng Han “Robust skyrmion shift device through local exchange-bias field engineering” Physical Review Applied 14, 044008 (2020)



[101] D. Burn, S. Zhang, G. Q. Yu, Y. Guang, H. Chen, X. P. Qiu, G. van der Laan, T. Hesjedal “Depth-resolved magnetization dynamics revealed by x-ray reflectometry ferromagnetic resonance” Physical Review Letters 125, 137201 (2020)



[100] X. Sun#, W. Li#, X. Wang#, Q. Sui#, T. Zhang, Z. Wang, L. Liu, D. Li, S. Feng, S. Zhong, H. Wang, V. Bouchiat, M. N. Regueiro, N. Rougemaille, J. Coraux, A. Purbawati, A. Hadj-Azzem, Z. Wang, B. Dong, X. Wu, T. Yang*, G. Q. Yu *, B. Wang*, Z. Han*, X. Han, Z. Zhang “Room temperature ferromagnetism in ultra-thin van der Waals crystals of 1T-CrTe2Nano Research (2020)



[99] P. Yang#, Q. Shao#, G. Q. Yu, C. He, K. Wong, X. Lu, J. Zhang, B. Liu, H. Meng, L. He*, K. L. Wang*, and Y. Xu* “Enhancement of the spin–orbit torque efficiency in W/Cu/CoFeB heterostructures via interface engineering” Applied Physics Letters 117, 082409 (2020)



[98] Y. Guang#, Y. Peng#, Z. Yan#, Y. Liu, J. Zhang, X. Zeng, S. Zhang, S. Zhang, D. M. Burn, N. Jaouen, J. Wei, H. Xu, J. Feng, C. Fang, G. v. d. Laan, T. Hesjedal, B. Cui, X. Zhang*, G. Q. Yu*, X. Han “Electron Beam Lithography of Magnetic Skyrmions” Advanced Materials 32, 2003003 (2020)



[97] J. Zhang#, Y. Zhang#, Y. Gao, G. Zhao*, L. Qiu, K. Wang, P. Dou, W. Peng, Y. Zhuang, Y. Wu, G. Q. Yu, Z. Zhu, Y. Zhao, Y. Guo, T. Zhu, J. Cai, B. Shen, S. Wang* “Magnetic Skyrmions in a Hall Balance with Interfacial Canted Magnetizations” Advanced Materials (2020)



[96] L. Zhao#, Z. Wang#, X. Zhang#, X. Liang#, J. Xia, K. Wu, H. Zhou, Y. Dong, G. Q. Yu, K. L. Wang, X. Liu, Y. Zhou*, and W. Jiang* “Topology-Dependent Brownian Gyromotion of a Single Skyrmion” Physical Review Letters 125, 027206 (2020)



[95] C. He, S. Razavi, G. Q. Yu*, X. Ma, H. Wu, Q. Shao, K. L. Wong, S. Shen, Y. Zhao, Y. Pei, Q. Chen, X. Li, S. Wang*, K. L. Wang “Study of the perpendicular magnetic anisotropy, spin–orbit torque, and Dzyaloshinskii–Moriya interaction in the heavy metal/CoFeB bilayers with Ir22Mn78 insertion” Applied Physics Letters 116, 242407 (2020)



[94] L. Wang, X. Li*, T. Sasaki, K. Wong, G. Q. Yu, S. Peng, C. Zhao, T. Ohkubo, K. Hono, W. Zhao, K. Wang* “High voltage-controlled magnetic anisotropy and interface magnetoelectric effect in sputtered multilayers annealed at high temperatures” Sci. China-Phys. Mech. Astron 63, 277512 (2020)



[93] A. Razavi, H. Wu, Q. Shao, C. Fang, B. Dai, K. L. Wong, X. Han, G. Q. Yu, K. L. Wang* “Deterministic spin-orbit torque switching by a light-metal insertion” Nano Letters  20, 3703 (2020)



[92] H. Xu, J. Wei, H. Zhou, J. Feng, T. Xu, H. Du, C. He, Y. Huang, J. Zhang, Y. Liu, H. Wu, C. Guo, X. Wang, Y. Guang, H. Wei, Y. Peng, W. Jiang, G. Q. Yu*, X. Han “High Spin Hall Conductivity in Large-Area Type-II Dirac Semimetal PtTe2Advanced Materials 32, 2000513 (2020)



[91] S. Tu#, T. Ziman#, G. Q. Yu#, C. Wan#, J. Hu#, H. Wu#, H. Wang, M. Liu, C. Liu, C. Guo, J. Zhang, M. A. Cabero Z., Y. Zhang, P. Gao, S. Liu, D. Yu, X. Han, I. Hallsteinsen, D. A. Gilbert, P. Wölfle, K. L. Wang, J. Ansermet, S.Maekawa, H. Yu* “Record thermopower found in an IrMn-based spintronic stack” Nature Communications 11, 2023 (2020)



[90] J. Zhang#, X. Zhang#, H. Chen#, Y. Guang, X. Zeng, G. Q. Y*, S. Zhang, Y. Liu, J. Feng, Y. Zhao, Y. Zhou, X. Qiu*, X. Han, Y. Peng*, X. Zhang* “Formation and magnetic-field stability of magnetic dipole skyrmions and bubbles in a ferrimagnet” Applied Physics Letters 116, 142404 (2020)



[89] X. Wang, C. Wan, Y. Liu, Q. Shao, H. Wu, C. Guo, C. Fang, Y. Guang, W. Yang, C. He, B. Tao, X. Zhang, T. Ma, J.Dong, Y. Zhang, J. Feng, J.Xiao, K. L. Wang, G. Q. Yu*, and X. Han “Spin transmission in IrMn through measurements of spin Hall magnetoresistance and spin-orbit torque” Physical Review B 101, 144412 (2020)



[88] J. Wei, C. He, X. Wang, H. Xu, Y. Liu, Y. Guang, C. Wan, J. Feng, G. Q. Yu*, and X. Han “Characterization of Spin-Orbit Torque Efficiency in Magnetic Heterostructures with Perpendicular Magnetic Anisotropy via Spin-Torque Ferromagnetic Resonance” Physical Review Applied 13, 034041 (2020)



[87] W. Yang#, C. Wan#, Z. Yan, X. Zhang, M. E Stebliy, X. Wang, C. Fang, C. Guo, Y. Xing, T. Ma, A. V Ognev, A. S Samardak, M. Tung, G. Q. Yu, X. Han* “Chirality-reversible multistate switching via two orthogonal spin-orbit torques in a perpendicularly magnetized system” Physical Review Applied 13, 024052 (2020)



[86] Y. Guang#, I. Bykova#, Y. Liu#, G. Q. Yu*, E. Goering, M. Weigand, J. Gräfe, S. K. Kim, J. Zhang, H. Zhang, Z. Yan, C. Wan, J. Feng, X. Wang, C. Guo, H. Wei, Y. Peng, Y. Tserkovnyak, X. Han & G. Schütz “Creating zero-field skyrmions in exchange-biased multilayers through X-ray illumination” Nature Communications  11, 949 (2020)



[85] W. L. Yang#, J. W. Wei#, C. H. Wan, Y. W. Xing, Z. R. Yan, X. Wang, C. Fang, C. Y. Guo, G. Q. Yu, and X. F. Han* “Determining spin-torque efficiency in ferromagnetic metals via spin-torque ferromagnetic resonance” Physical Review B  101, 064412 (2020)



[84] S. Zhang, X Zhang, J Zhang, A Ganguly, J. Xia, Y. Wen, Q. Zhang, G. Q. Yu, Z. Hou, W. Wang, Y. Peng, G. Xiao, A. Manchon, J. Kosel, Y. Zhou, X. Zhang* “Direct imaging of an inhomogeneous electric current distribution using the trajectory of magnetic half-skyrmions” Science Advances  6, eaay1876 (2020)



---------------------------2019---------------------------

[83] X. Li*, T. Sasaki, C. Grezes, D, Wu, K. Wong, C. Bi, P. Ong, F. Ebrahimi, G. Q. Yu, N. Kioussis, W. Wang, T. Ohkubo, P. Amiri, and K. L. Wang* “Predictive Materials Design of Magnetic Random-Access Memory Based on Nanoscale Atomic Structure and Element Distribution” Nano Letters 2019, 19, 8621-8629



[82] Y. Liu, G. Q. Yu* “MRAM gets closer to the core” Nature Electronics (2019)



[81] Z. Wang#, X. Zhang#, J. Xia#, L. Zhao, K. Wu, G. Q. Yu, K. L. Wang, X. Liu, S. G. E. te Velthuis, A. Hoffmann, Y. Zhou, and W. Jiang* “Generation and Hall effect of skyrmions enabled using nonmagnetic point contacts” Physical Review B 100, 184426 (2019)



[80] C. Fang#, C. H. Wan#, C. Y. Guo, C. Feng, X. Wang, Y. W. Xing, M. K. Zhao, J. Dong, G. Q. Yu, Y. G. Zhao, and X. F. Han* “Observation of large anomalous Nernst effect in 2D layered materials Fe3GeTe2Applied Physics Letters 115, 212402 (2019)



[79] X. Li, B. Dong*, X. Sun, H. Wang, T. Yang, G. Q. Yu*, Z. Han* “Perspectives on exfoliated two-dimensional spintronics” Journal of Semiconductors  40, 081508 (2019)



[78] L. Du,  J. Tang,  Y. Zhao, X. Li,  R. Yang,  X. Hu,  X. Bai,  X. Wang,  K. Watanabe,  T. Taniguchi,  D. Shi,  G. Q. Yu,  X. Bai,  T. Hasan,  G. Zhang,  and Z. Sun “Lattice Dynamics, Phonon Chirality, and Spin–Phonon Coupling in 2D Itinerant Ferromagnet Fe3GeTe2Advanced Functional Materials  1904734 (2019)



[77] X. Wang#, J. Tang#, X. Xia#, C. He, J. Zhang, Y. Liu, C. Wan, C. Fang, C. Guo, W. Yang, Y. Guang, X. Zhang, H. Xu, J. Wei, M. Liao, X. Lu, J. Feng, X. Li, Y. Peng, H. Wei, R.Yang, D. Shi, X. Zhang, Z. Han*, Z. Zhang, G. Zhang*, G. Q. Yu* and X. Han “Current-driven magnetization switching in a van der Waals ferromagnet Fe3GeTe2Science Advances 5, eaaw8904 (2019)



[76] A. Jenkins, M. Pelliccione, G. Q. Yu, X. Ma, X. Li, K. L Wang, A. C Bleszynski Jayich* “Single-spin sensing of domain-wall structure and dynamics in a thin-film skyrmion host” Physical Review Materials 3, 083801(2019)



[75] H. Wu, Y. Xu,  P. Deng,  Q. Pan,  S. Armin Razavi,  K. Wong,  L. Huang,  B. Dai, Q. Shao,  G. Q. Yu,  X. Han,  J. Rojas-Sánchez,  S. Mangin,  K. L. Wang* “Spin-Orbit Torque Switching of a Nearly Compensated Ferrimagnet by Topological Surface States” Advanced Materials (2019)



[74] Q. Shao#*, Y. Liu#, G. Q. Yu, S. Kim, X. Che, C. Tang, Q. He, Y. Tserkovnyak, J. Shi & K.L. Wang* “Topological Hall effect at above room temperature in heterostructures composed of a magnetic insulator and a heavy metal” Nature Electronics 2, 182 (2019)



[73] A. Navabi*, Y. Liu, P. Upadhyaya, K. Murata, F. Ebrahimi, G. Q. Yu, B. Ma, Y. Rao, M. Yazdani, M. Montazeri, L. Pan, I. N. Krivorotov, I. Barsukov, Q. Yang, P. K. Amiri, Y. Tserkovnyak, and K. L. Wang “Control of Spin-Wave Damping in YIG Using Spin Currents from Topological Insulators” Physics Review Applied 11, 034046 (2019)



[72] Q. Shao#*, A. Grutter#, Y. Liu, G. Q. Yu, C. Yang, D. A. Gilbert, E. Arenholz, P. Shafer, X. Che, C. Tang, M. Aldosary, A. Navabi, Q. He, B. J. Kirby, J. Shi, and K. L. Wang* “Exploring interfacial exchange coupling and sublattice effect in heavy metal/ferrimagnetic insulator heterostructures using Hall measurements, x-ray magnetic circular dichroism, and neutron reflectometry” Physics Review B 99, 104401 (2019)



[71] X. M. Zhang, W. J. Li, M. Irfan, S. Parajuli, J. W. Wei, Z. R. Yan, X. Wang, N. Ahmad, J. F. Feng, G. Q. Yu, X. F. Han* “Fabrication and characterization of YIG nanotubes” Journal of Magnetism and Magnetic Materials (2019)



[70] W. Li#, I. Bykova#, S. Zhang#, G. Q. Yu*, R. Tomasello, M. Carpentieri, Y. Liu, Y. Guang, J. Gräfe, M. Weigand, D. M. Burn, G. van der Laan, T. Hesjedal, Z. Yan, J. Feng, C. Wan, J. Wei, X. Wang, X. Zhang, H. Xu, C. Guo, H. Wei, G. Finocchio*, X. Han, G. Schütz “Anatomy of Skyrmionic Textures in Magnetic Multilayers” Advanced Materials 1807683 (2019)



[69] Y. Fan#*, Q. Shao#, L. Pan, X. Che, Q. He, G. Yin, C. Zheng, G. Q. Yu, T. Nie, M. R Masir, A. H MacDonald, K. L Wang* “Unidirectional Magneto-Resistance in Modulation-doped Magnetic Topological Insulators” Nano Letters (2019)



---------------------------2018---------------------------

[68] H. Liu, H. Wei, X. Han*, G. Q. Yu, W. Zhan, S. L. Gall, Y. Lu, M. Hehn, S. Mangin*, M. Sun, Y. Liu*, C. Horng “Magnetic Configurations and State Diagram of Nanoring Magnetic Tunnel Junctions” Physics Review Applied 10, 054013 (2018)



[67] C. Y. Guo#, C. H Wan#, X. Wang, C. Fang, P. Tang, W. J. Kong, M. K. Zhao, L. N. Jiang, B. S. Tao, G. Q. Yu, X. F. Han* “Magnon Valves Based on YIG/NiO/YIG All-Insulating Magnon Junctions” Physics Review B 98, 134426 (2018)



[66] I. Bykova, K. Keskinbora, U. Sanli, J. Gräfe, M. Bechtel, G. Q. Yu, E. Goering, H. Stoll, G. Schiitz, M. Weigand “Soft X-ray Ptychography for Imaging of Magnetic Domains and Skyrmions in Sub-100 nm Scales” Microscopy and Microanalysis 24, 36 (2018)



[65] Q. Shao*, G. Q. Yu, L. Pan, X. Che, Y. Fan, K. Murata, Q. He, T. Nie, X. Kou, K. L Wang* “Large Room Temperature Charge-to-Spin Conversion Efficiency in Topological Insulator/CoFeB bilayers” 2018 76th Device Research Conference (DRC) 1-2 (2018)



[64] C. He, G. Q. Yu*, C. Grezes, J. Feng, Z. Zhao, S. A. Razavi, Q. Shao, A. Navabi, X. Li, Q. L. He, M. Li, J. Zhang, K. L. Wong, D. Wei, G. Zhang, X. Han*, P. K. Amiri, K. L. Wang* “Spin-Torque Ferromagnetic Resonance in W/Co-Fe-B/W/Co-Fe-B/MgO Stacks” Physics Review Applied 10, 034067 (2018)



[63] Q. Wang*, J. Domann, G. Q. Yu, A. Barra, K. L Wang, G. P Carman* “Strain-mediated spin-orbit torque switching for magnetic memory” Physics Review Applied 10, 034052 (2018)



[62] X. Ma*, G. Q. Yu, S. A. Razavi, L. Chang, L. Deng, Z. Chu, C. He, K. L. Wang, X. Li “Correlation between Dzyaloshinskii Moriya interaction and spin mixing conductance at antiferromagnet/ferromagnet interface” Physics Review B 98, 104428 (2018)



[61] G. Q. Yu* “Two-terminal MRAM with a spin” Nature Electronics 1, 496 (2018)



[60] Q. Shao#, C. Tang#, G. Q. Yu* , A. Navabi, H. Wu, C. He, J. Li, P. Upadhyaya, P. Zhang, S. A. Razavi, Q. L. He, Y. Liu, P. Yang, S. K. Kim, C. Zheng, Y. Liu, L. Pan, R. K Lake, X. Han, Y. Tserkovnyak, J. Shi, K. L. Wang* “Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films” Nature Communications 9, 3612 (2018)



[59] Q. L. He#*, G. Yin#, L. Yu#, A. J Grutter, L. Pan, X. Kou, X. Che, G. Q. Yu, T. Nie, B. Zhang, Q. Shao, K. Murata, X. Zhu, Y. Fan, X. Han, B. J Kirby, K. L Wang* "Topological transitions induced by antiferromagnetism in a thin-film topological insulator" Physical Review Letters 121, 096802 (2018)



[58] Q. L. He#*, G. Yin#, A. J. Grutter#, L. Pan, X. Che, G. Q. Yu, D. A. Gilbert, S. M. Disseler, Y. Liu, P. Shafer, B. Zhang, Y. Wu, B. J. Kirby, E. Arenholz, R. K. Lake, X. Han & K. L. Wang* “Exchange-biasing topological charges by antiferromagnetism” Nature Communications 9, 2767 (2018)



[57] 李文静,光耀,于国强*,万蔡华,丰家峰, 韩秀峰,“薄膜异质结中磁性斯格明子的相关研究” 物理学报 67 (13), 131204-131204 (邀请综述)



[56] M. He, G. Li, Z. Zhu, Y. Zhang*, L. Peng, R. Li, J. Li, H. Wei, T. Zhao, X. G. Zhang, S. Wang, S. Lin, L. Gu, G. Q. Yu, J. W. Cai*, and B. Shen "Evolution of topological skyrmions across the spin reorientation transition in Pt/Co/Ta multilayers" Physical Review B 97, 174419 (2018)



[55] X. Che, K. Murata, L. Pan, Q. He, G. Q. Yu, Q. Shao, G. Yin, P. Deng, Y. Fan, B. Ma, X. Liang, B. Zhang, X. Han, L. Bi, Q. Yang, H. Zhang and K. Wang* "Proximity-Induced Magnetic Order in a Transferred Topological Insulator Thin Film on a Magnetic Insulator" ACS Nano (2018)



[54] X. Ma*, G. Q. Yu, C. Tang, X. Li, C. He, J. Shi, K. L. Wang, and X. Li "Interfacial Dzyaloshinskii-Moriya Interaction: Effect of 5d Band Filling and Correlation with Spin Mixing Conductance" Physical Review Letters 120, 157204 (2018)



[53] H. Wu, L. Huang, C. Fang, B. S. Yang, C. H. Wan, G. Q. Yu, J. F. Feng, H. X. Wei, and X. F. Han* "Magnon Valve Effect between Two Magnetic Insulators" Physical Review Letters 120, 097205 (2018) Editors' Suggestion;Featured in Physics



[52] Y. Huang, X. Li, L. Wang, G. Q. Yu, K. L Wang, W. Zhao* "Room-temperature skyrmions in an antiferromagnet-based heterostructure" AIP Advances 8, 056314 (2018)



[51] G. Q. Yu#*, A. Jenkins#, X. Ma#, S. A. Razavi, C. He, G. Yin, Q.Shao, Q. He, H. Wu, W. Li, W. Jiang, X. Han, X. Li, A. C. B.Jayich, P. K. Amiri, K. L Wang* "Room-temperature skyrmions in an antiferromagnet-based heterostructure" Nano Letters 18, 980 (2018)



---------------------------2017---------------------------

[50] S. Tu#, J. Hu#, G. Q. Yu#, H. Yu*, C. Liu, F. Heimbach, X. Wang, J. Zhang, Y. Zhang, A. Hamzić, K. L. Wang, W. Zhao, J. Ansermet* "Anomalous Nernst effect in Ir22Mn78/Co20Fe60B20/MgO layers with perpendicular magnetic anisotropy" Applied Physics Letters 111, 222401 (2017)



[49] X. Ma#*, G. Q. Yu#, S. A. Razavi, S. S. Sasaki, X. Li, K. Hao, S. H. Tolbert, K. L. Wang, and X. Li* "Dzyaloshinskii-Moriya interaction across an antiferromagnet-ferromagnet interface" Physical Review Letters 119, 027202 (2017) 



[48] J. Li#, G. Q. Yu#, C. Tang, Y. Liu, Z. Shi, Y. Liu, A. Navabi, M. Alsosary, Q. Shao, K. L. Wang, R. Lake and J. Shi* "Deficiency of the bulk spin Hall effect model for spin-orbit torques in magnetic-insulator/heavy-metal heterostructures" Physical Review B 95, 241305(R) (2017)



[47] A. Navabi*, C. Chen, A. Barra, M. Yazdani, G. Q. Yu, M. Montazeri, M. Aldosary, J. Li, K. Wong, Q. Hu, J. Shi, G. P Carman, A. E Sepulveda, P. K. Amiri, K. L Wang* “Efficient excitation of high-frequency exchange-dominated spin waves in periodic ferromagnetic structures” Physical Review Applied 7, 034027 (2017)



[46] S. A. Razavi#, D. Wu#, G. Q. Yu*, Y. Lau, K. L. Wong, W. Zhu, C. He, Z. Zhang, J. M. D. Coey, P. Stamenov, P. K. Amiri, K. L. Wang “Joule heating effect on field-free magnetization switching by spin-orbit torque in exchange-biased systems” Physical Review Applied 7, 024023 (2017)



[45] X. Li#, K. Fitzell#, D. Wu, C. Ty Karaba, A. Buditama, G. Q. Yu, K. L. Wong, N. Altieri, C. Grezes, N. Kioussis, S. Tolbert, Z. Zhang, J. P. Chang, P. K. Amiri, and K. L. Wang “Enhancement of voltage-controlled magnetic anisotropy through precise control of Mg insertion thickness at CoFeB|MgO interface” Applied Physics Letters 110, 052401 (2017)



[44] G. Q. Yu*, P. Upadhyaya, Q. Shao, H. Wu, G. Yin, X. Li, C. He, W. Jiang, X. Han, P. K. Amiri*, and K. L. Wang* "Room-temperature skyrmion shift device for memory application" Nano Letters 17 (1), pp 261–268 (2017)



[43] M. Li*, H. Shi, G. Q. Yu, J. Lu, X. Chen, G. Han, G. Yu, P. K. Amiri, K. L Wang "Effects of annealing on the magnetic properties and microstructures of Ta/Mo/CoFeB/MgO/Ta films" Journal of Alloys and Compounds 692, 243–248 (2017)



[42] W. Jiang#*, X. Zhang#, G. Q. Yu, W. Zhang, X. Wang, M. B. Jungfleisch, J. E. Pearson, X. Cheng, O. Heinonen, K. L. Wang, Y. Zhou, A. Hoffmann*, S. G. E. te Velthuis* "Direct observation of the skyrmion Hall effect" Nature Physics 13, 162–169 (2017)



[41] Q. L. He#*, X. Kou#, A. J. Grutter#, G. Yin#, L. Pan, X. Che, Y. Liu, T. Nie, B. Zhang, S. M. Disseler, B. J. Kirby, W. Ratcliff II, Q. Shao, K. Murata, X. Zhu, G. Q. Yu, Y. Fan, M. Montazeri, X. Han, J. A. Borchers and K. L. Wang* "Tailoring exchange couplings in magnetic topological-insulator/antiferromagnet heterostructures" Nature Materials 16, 94–100 (2017) 



---------------------------2016---------------------------

[40] Q. Shao#*, G. Q. Yu#*, Y. Lan#, Y. Shi, M. Li, C. Zheng, X. Zhu, L. Li, P. Amiri, K. L. Wang* "Strong Rashba-Edelstein Effect-Induced Spin-Orbit Torques in Monolayer Transition Metal Dichalcogenides/Ferromagnet Bilayers" Nano Letters 16 (12), pp 7514–7520 (2016)



[39] X. Ma, G. Q. Yu, X. Li, T. Wang, D. Wu, K. S. Olsson, Z. Chu, K. An, J. Q. Xiao, K. L. Wang, X. Li* "Interfacial Control of Dzyaloshinskii Moriya Interaction in Heavy Metal Ferromagnetic Metal Thin Film Heterostructures" Physical Review B 94, 180408(R) (2016)



[38] D. Wu, G. Q. Yu*, C. Chen, S. A. Razavi, Q. Shao, X. Li, B. Zhao, K. L. Wong, C. He, Z. Zhang, P. K. Amiri, and K. L. Wang "Spin-orbit torques in perpendicularly magnetized Ir22Mn78/Co20Fe60B20/MgO multilayer" Applied Physics Letters 109, 222401 (2016)



[37] C. He, A. Navabi, Q. Shao, G. Q. Yu*, D. Wu, W. Zhu, C. Zheng, X. Li, Q. L. He, S. A. Razavi, K. L. Wong, Z. Zhang, P. K. Amiri1 and K. L. Wang " Spin-torque ferromagnetic resonance measurements utilizing spin Hall magnetoresistance in W/Co40Fe40B20/MgO structures" Applied Physics Letters 109, 202404 (2016)



[36] D. Wu, G. Q. Yu*, Q. Shao, X. Li, H. Wu, K. L. Wong, Z. Zhang, X. Han, P. K. Amiri, K. L. Wang "In-plane current-driven spin-orbit torque switching in perpendicularly magnetized films with enhanced thermal tolerance" Applied Physics Letters 108, 212406 (2016)



[35] K. L. Wang*, X. Kou, P. Upadhyaya, Y. Fan, Q. Shao, G. Q. Yu, P. K. Amiri "Electric-Field Control of Spin-Orbit Interaction for Low-Power Spintronics" Proceedings of the IEEE 99, 1 (2016)

[34] L. Chang*, I. A. Fischer, J. Tang, C. Wang, G. Q. Yu, Y. Fan, K. Murata, T. Nie, M. Oehme, J. Schulze*, K. L Wang* "Electrical detection of spin transport in Si two-dimensional electron gas systems" Nanotechnology 27, 365701 (2016)



[33] M. Akyol, W. Jiang, G. Q. Yu, Y. Fan, M. Gunes, A. Ekicibil, P. K. Amiri, K. L. Wang "Effect of heavy metal layer thickness on spin-orbit torque and current-induced switching in Hf|CoFeB|MgO structures" Applied Physics Letters 109, 022403 (2016)



[32] M. Li*, J. Lu, G. Q. Yu, X. Li, G. Han, X. Chen, H. Shi, G. Yu, P. K. Amiri, K. L. Wang "Influence of inserted Mo layer on the thermal stability of perpendicularly magnetized Ta/Mo/Co20Fe60B20/MgO/Ta films" AIP Advances 6, 045107 (2016)



[31] J. Tang*, G. Q. Yu, C. Y. Wang, L. T. Chang, W. Jiang, C. He, K. L. Wang* “Versatile Fabrication of Self-Aligned Nanoscale Hall Devices using Nanowire Masks” Nano Letters 16 (5), pp 3109–3115 (2016) 



[30] G. Q. Yu*, M. Akyol, P. Upadhyaya, X. Li, C. He, Y. Fan, M. Montazeri, J. G. Alzate, M. Lang, K. L. Wong, P. K. Amiri* and K. L. Wang* “Competing effect of spin-orbit torque terms on perpendicular magnetization switching in structures with multiple inversion asymmetries” Scientific Reports 6, 23956 (2016)



[29] W. Jiang*, W. Zhang, G. Q. Yu, M. B. Jungfleisch, P. Upadhyaya, H. Somaily, J. E Pearson, Y. Tserkovnyak, K. L Wang, O. Heinonen, S. GE te Velthuis*, A. Hoffmann* “Mobile Néel skyrmions at room temperature: status and future” AIP Advances 6, 055602 (2016)



[28] D. Chien#, X. Li#, K. Wong, M. A. Zurbuchen, S. Robbennolt, G. Q. Yu, S. Tolbert, N. Kioussis, P. K. Amiri*, K. L. Wang*, J. P. Chang* “Enhanced voltage-controlled magnetic anisotropy in magnetic tunnel junctions with an MgO/PZT/MgO tunnel barrier” Applied Physics Letters 108, 112402 (2016)



[27] G. Q. Yu#, P. Upadhyaya#, X. Li, W. Li, S. K. Kim, Y. Fan, K. L Wong, Y. Tserkovnyak, P. K. Amiri*, K. L Wang* “Room-temperature creation and spin-orbit torque manipulation of skyrmions in thin films with engineered asymmetry” Nano Letters 16, 1981 (2016)



[26] Y. Fan#*, X. Kou#, P. Upadhyaya#, Q. Shao, L. Pan, M. Lang, X. Che, J. Tang, M. Montazeri, K. Murata, L. Chang, M. Akyol, G. Q. Yu, T. Nie, K. L. Wong, J. Liu, Y. Wang, Y. Tserkovnyak, K. L. Wang* “Electric-field control of spin-orbit torque in a magnetically doped topological insulator” Nature Nanotechnology 11, 352–359 (2016)



---------------------------2015---------------------------

[25] M. Montazeri#*, P. Upadhyaya#, M. C. Onbasli, G. Q. Yu, K. L Wong, M. Lang, Y. Fan, X. Li, P. Khalili Amiri, R. N. Schwartz, C. A. Ross, K. L. Wang* “Magneto-optical investigation of spin-orbit torques in metallic and insulating magnetic heterostructures” Nature communications 6, 8958 (2015)

[24] X. Li*, G. Q. Yu, H. Wu, P. V. Ong, K. Wong, Q. Hu, F. Ebrahimi, P. Upadhyaya, M. Akyol, N. Kioussis, X. F. Han, P. K. Amiri* and K. L. Wang* “Thermally stable voltage-controlled perpendicular magnetic anisotropy in Mo|CoFeB|MgO structures” Applied Physics Letters 107, 142403 (2015)



[23] P. Upadhyaya, G. Q. Yu, P. K. Amiri, and K. L. Wang, “Electric-field guiding of magnetic skyrmions” Physical Review B 92, 134411 (2015)



[22] P. K. Amiri*, J. Alzate, X. Cai, F. Ebrahimi, Q. Hu, K. Wong, C. Grezes, H. Lee, G. Q. Yu, X. Li, M. Akyol, Q. Shao, J. Katine, J. Langer, B. Ocker “Electric-Field-Controlled Magnetoelectric Random Access Memory: Progress, Challenges, and Scaling” , IEEE Trans. Magn. 99, 1 (2015)



[21] W. Jiang, P. Upadhyaya, W. Zhang, G. Q. Yu, M. B. Jungfleisch, F. Y. Fradin, J. E. Pearson, Y. Tserkovnyak, K. L. Wang, O. Heinonen, S. G. E. te Velthuis and A. Hoffmann*, “Blowing Magnetic Skyrmion Bubbles” Science 349, 283 (2015)



[20] M. Li*, Z. Zhao, L. Ma, G. Q. Yu, X. Lu, J. Teng, G. Yu, W. Zhou, P. Khalili Amiri, and K. L. Wang, “The Influence of a MgO Nanolayer on the Planar Hall Effect of NiFe” Journal of Applied Physics 117, 123908 (2015)



[19] M. Akyol, G. Q. Yu, J. G. Alzate, P. Upadhyaya, X. Li, K. L. Wong, A. Ekicibil, P. K. Amiri and K. L. Wang, “Current-Induced Spin-Orbit Torque Switching of Perpendicularly Magnetized Hf/CoFeB/MgO and Hf/CoFeB/TaOx Structures” Applied Physics Letters 106, 162409 (2015)



[18] G. Q. Yu, Z. Wang, M. Abolfath-Beygi, C. He, X. Li, K. L Wong, P. Nordeen, H. Wu, G. P. Carman, X. Han, I. A. Alhomoudi, P. K. Amiri, K. L. Wang, “Strain-induced modulation of perpendicular magnetic anisotropy in Ta/CoFeB/MgO structures investigated by ferromagnetic resonance” Applied Physics Letters 106 (7), 072402 (2015)



[17] M. Akyol, J. Alzate, G. Q. Yu, P. Upadhyaya, K. Wong, A. Ekicibil, P. K. Amiri and K. L Wang “Effect of the oxide layer on current-induced spin-orbit torques in Hf|CoFeB|MgO and Hf|CoFeB|TaOx structures” Applied Physics Letters 106 (3), 032406 (2015)



---------------------------2014---------------------------

[16] P. Guo, D. L. Li, J. F. Feng*, H. Kurt, G. Q Yu, J. Y. Chen, H. X. Wei, J. M. D. Coey, X. F. Han* “Conductance enhancement due to interface magnons in electron-beam evaporated MgO magnetic tunnel junctions with CoFeB free layer deposited at different pressure” Journal of Applied Physics 116, 153905 (2014)



[15] G. Q. Yu, L.T. Chang, M. Akyol, P. Upadhyaya, C. L. He, X. Li, K. L. Wong, P. K. Amiri, K. L Wang “Current-driven perpendicular magnetization switching in Ta/CoFeB/[TaOx or MgO/TaOx] films with lateral structural asymmetry” Applied Physics Letters 105, 102411 (2014)



[14] G. Q. Yu#*, P. Upadhyaya#, Y. B. Fan, J. G. Alzate, W. J. Jiang, K. L Wong, S. Takei, S. A. Bender, L. T. Chang, Y. Jiang, M. R. Lang, J. S. Tang, Y. Wang, Y. Tserkovnyak, P. Khalili Amiri, K. L Wang* “Switching of perpendicular magnetization by spin-orbit torques in the absence of external magnetic fields” Nature Nanotechnology 9, 548 (2014); Highlighted in Nature Nanotech. - News and Views



[13] M. R. Lang#*, M. Montazeri#, M. Onbasli, X. F. Kou, Y. B. Fan, P. Upadhyaya, K. Y. Yao, F. Liu, Y. Jiang, W. J. Jiang, K. L Wong, G. Q. Yu, J. S. Tang, T. X. Nie, L. He, R. N Schwartz, Y. Wang, C. A Ross, K. L Wang* “Proximity Induced High Temperature Magnetic Order in Topological Insulator-Ferrimagnetic Insulator Heterostructure” Nano letters 14, 3459 (2014)



[12] Y. Fan#*, P. Upadhyaya#, X. F. Kou#, M. R. Lang, S. Takei, Z. X. Wang, J. S. Tang, L. He, L. T. Chang, M. Montazeri, G. Q. Yu, W. J. Jiang, T.X. Nie, R. N Schwartz, Y. Tserkovnyak, K. L Wang* “Magnetization switching through giant spin–orbit torque in a magnetically doped topological insulator heterostructure” Nature materials 13, 699 (2014)



[11] G. Q. Yu*, P. Upadhyaya, K. L. Wong, W. Jiang, J. G. Alzate, J. Tang, P. K. Amiri*, K. L. Wang* “Magnetization switching through spin-Hall-effect-induced chiral domain wall propagation” Physical Review B 89, 104421 (2014)



[10] J. G Alzate, PK Amiri, G. Q. Yu, P Upadhyaya, JA Katine, J Langer, Berthold Ocker, Ilya N Krivorotov, Kang L Wang, “Temperature dependence of the voltage-controlled perpendicular anisotropy in nanoscale MgO| CoFeB| Ta magnetic tunnel junctions” Applied Physics Letters 104, 112410 (2014)



---------------------------2013---------------------------

[9] D Li, J Feng, G. Q. Yu, P. Guo, . Chen, H. Wei, X. F. Han*, J. M. D. Coey, “Tunneling processes in asymmetric double barrier magnetic tunnel junctions with a thin top MgO layer”, Journal of Applied Physics 114, 213909 (2013)



[8] G. Q. Yu, C. Ren, S. Rizwan, T. Yu, K. Xu, X. F. Han*, “Superconductivity-induced pinning effect in superconductor/magnetic tunnel junctions”, SPIN 3, 1350006 (2013)



[7] D. L. Li, J. F. Feng, G. Q. Yu, H. X. Wei, X. Han*, J. COEY, “MgO-based double barrier magnetic tunnel junctions with the synthetic antiferromagnetic free layer”, IEEE Trans. Magn. 49, 5204 (2013)



---------------------------2012---------------------------

[6] S. Rizwan, G. Q. Yu, S. Zhang, Y. G. Zhao, X. F. Han*, “Electric-field control of CoFeB/IrMn exchange bias system”, Journal of Applied Physics 112, 064120 (2012)



[5] G. Q. Yu, J. Feng, H. Kurt, H. Liu, X. F. Han*, J. M. D. Coey, “Field sensing in MgO double barrier magnetic tunnel junctions with a superparamagnetic Co50Fe50 free layer”, Journal of Applied Physics 111, 113906 (2012)



[4] G. Q. Yu, H. Kurt, J. Feng, K. Xu, J. M. D. Coey, X. F. Han*, “Spin-dependent tunneling spectroscopy in MgO-based double-barrier magnetic tunnel junctions”, Journal of Applied Physics 111, 07C712 (2012)



---------------------------2011---------------------------

[3] G. Q. Yu, L. Chen, S. Rizwan, J. H. Zhao, K. Xu, X. F. Han*, “Improved tunneling magnetoresistance in (Ga, Mn) As/AlOx/CoFeB magnetic tunnel junctions”, Applied Physics Letters 98, 262501 (2011)



[2] Z. C. Wen, Y. Wang, G. Q. Yu, H. X. Wei, B. S. Zhang, K. Xu, X. F. Han*, “Patterned nanoscale magnetic tunnel junctions with different geometrical structures”, Spin 1, 109 (2011)



[1] G. Q. Yu, Z. Diao, J. F. Feng*, H. Kurt, X. F. Han, J. M. D. Coey, “1/f noise in MgO double-barrier magnetic tunnel junctions”, Applied Physics Letters 98, 112504 (2011)


目前的研究课题及展望


(1)研究室温拓扑磁性斯格明子的物理及其器件应用;(2)研究磁性异质结中的自旋轨道力矩及其在存储、逻辑器件中的应用。

培养研究生情况


每年拟招收硕博连读研究生1-2名,欢迎具有物理或材料专业背景的考生联系报考。

其他联系方式


电话:010-82649215

电话:

010-82649215

Email

guoqiangyu@iphy.ac.cn