Search Results - "Ou, Yunbo"

Controlled crack propagation for atomic precision handling of wafer-scale two-dimensional materials by Shim, Jaewoo, Bae, Sang-Hoon, Kong, Wei, Lee, Doyoon, Qiao, Kuan, Nezich, Daniel, Park, Yong Ju, Zhao, Ruike, Sundaram, Suresh, Li, Xin, Yeon, Hanwool, Choi, Chanyeol, Kum, Hyun, Yue, Ruoyu, Zhou, Guanyu, Ou, Yunbo, Lee, Kyusang, Moodera, Jagadeesh, Zhao, Xuanhe, Ahn, Jong-Hyun, Hinkle, Christopher, Ougazzaden, Abdallah, Kim, Jeehwan

“…Although flakes of two-dimensional (2D) heterostructures at the micrometer scale can be formed with adhesive-tape exfoliation methods, isolation of 2D flakes…”
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Direct evidence of ferromagnetism in a quantum anomalous Hall system by Wang, Wenbo, Ou, Yunbo, Liu, Chang, Wang, Yayu, He, Ke, Xue, Qi-Kun, Wu, Weida

“…Quantum anomalous Hall (QAH) systems are of great fundamental interest and potential application because of their dissipationless conduction without the need…”
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Enhancing the Quantum Anomalous Hall Effect by Magnetic Codoping in a Topological Insulator by Ou, Yunbo, Liu, Chang, Jiang, Gaoyuan, Feng, Yang, Zhao, Dongyang, Wu, Weixiong, Wang, Xiao‐Xiao, Li, Wei, Song, Canli, Wang, Li‐Li, Wang, Wenbo, Wu, Weida, Wang, Yayu, He, Ke, Ma, Xu‐Cun, Xue, Qi‐Kun

“…The quantum anomalous Hall (QAH) effect, which has been realized in magnetic topological insulators (TIs), is the key to applications of dissipationless…”
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Experimental Observation of the Quantum Anomalous Hall Effect in a Magnetic Topological Insulator by Chang, Cui-Zu, Zhang, Jinsong, Feng, Xiao, Shen, Jie, Zhang, Zuocheng, Guo, Minghua, Li, Kang, Ou, Yunbo, Wei, Pang, Wang, Li-Li, Ji, Zhong-Qing, Feng, Yang, Ji, Shuaihua, Chen, Xi, Jia, Jinfeng, Dai, Xi, Fang, Zhong, Zhang, Shou-Cheng, He, Ke, Wang, Yayu, Lu, Li, Ma, Xu-Cun, Xue, Qi-Kun

“…The quantized version of the anomalous Hall effect has been predicted to occur in magnetic topological insulators, but the experimental realization has been…”
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Observation of the Zero Hall Plateau in a Quantum Anomalous Hall Insulator by Feng, Yang, Feng, Xiao, Ou, Yunbo, Wang, Jing, Liu, Chang, Zhang, Liguo, Zhao, Dongyang, Jiang, Gaoyuan, Zhang, Shou-Cheng, He, Ke, Ma, Xucun, Xue, Qi-Kun, Wang, Yayu

“…We report experimental investigations on the quantum phase transition between the two opposite Hall plateaus of a quantum anomalous Hall insulator. We observe…”
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Enhanced electron dephasing in three-dimensional topological insulators by Liao, Jian, Ou, Yunbo, Liu, Haiwen, He, Ke, Ma, Xucun, Xue, Qi-Kun, Li, Yongqing

“…Study of the dephasing in electronic systems is not only important for probing the nature of their ground states, but also crucial to harnessing the quantum…”
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Hypergiant spin polarons photogenerated in ferromagnetic europium chalcogenides by Gratens, X., Ou, Yunbo, Moodera, J. S., Rappl, P. H. O., Henriques, A. B.

“…We find that in the ferromagnetic semiconductor EuS, near its Curie temperature, a single band edge photon generates a spin polaron (SP), whose magnetic moment…”
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Observation of Anderson localization in ultrathin films of three-dimensional topological insulators by Liao, Jian, Ou, Yunbo, Feng, Xiao, Yang, Shuo, Lin, Chaojing, Yang, Wenmin, Wu, Kehui, He, Ke, Ma, Xucun, Xue, Qi-Kun, Li, Yongqing

“…Anderson localization, the absence of diffusive transport in disordered systems, has been manifested as hopping transport in numerous electronic systems,…”
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Thickness Dependence of the Quantum Anomalous Hall Effect in Magnetic Topological Insulator Films by Feng, Xiao, Feng, Yang, Wang, Jing, Ou, Yunbo, Hao, Zhenqi, Liu, Chang, Zhang, Zuocheng, Zhang, Liguo, Lin, Chaojing, Liao, Jian, Li, Yongqing, Wang, Li-Li, Ji, Shuai-Hua, Chen, Xi, Ma, Xucun, Zhang, Shou-Cheng, Wang, Yayu, He, Ke, Xue, Qi-Kun

“…The evolution of the quantum anomalous Hall effect with the thickness of Cr‐doped (Bi,Sb)2Te3 magnetic topological insulator films is studied, revealing how…”
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Strain-tunable Berry curvature in quasi-two-dimensional chromium telluride by Chi, Hang, Ou, Yunbo, Eldred, Tim B., Gao, Wenpei, Kwon, Sohee, Murray, Joseph, Dreyer, Michael, Butera, Robert E., Foucher, Alexandre C., Ambaye, Haile, Keum, Jong, Greenberg, Alice T., Liu, Yuhang, Neupane, Mahesh R., de Coster, George J., Vail, Owen A., Taylor, Patrick J., Folkes, Patrick A., Rong, Charles, Yin, Gen, Lake, Roger K., Ross, Frances M., Lauter, Valeria, Heiman, Don, Moodera, Jagadeesh S.

“…Magnetic transition metal chalcogenides form an emerging platform for exploring spin-orbit driven Berry phase phenomena owing to the nontrivial interplay…”
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Electrically tuned magnetic order and magnetoresistance in a topological insulator by Zhang, Zuocheng, Feng, Xiao, Guo, Minghua, Li, Kang, Zhang, Jinsong, Ou, Yunbo, Feng, Yang, Wang, Lili, Chen, Xi, He, Ke, Ma, Xucun, Xue, Qikun, Wang, Yayu

“…The interplay between topological protection and broken time reversal symmetry in topological insulators may lead to highly unconventional magnetoresistance…”
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Distinct Quantum Anomalous Hall Ground States Induced by Magnetic Disorders by Liu, Chang, Ou, Yunbo, Feng, Yang, Jiang, Gaoyuan, Wu, Weixiong, Li, Shaorui, Cheng, Zijia, He, Ke, Ma, Xucun, Xue, Qikun, Wang, Yayu

“…The quantum anomalous Hall (QAH) effect in a magnetic topological insulator (TI) represents a new state of matter originating from the interplay between…”
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Superconductivity in Ca-intercalated epitaxial graphene on silicon carbide by Li, Kang, Feng, Xiao, Zhang, Wenhao, Ou, Yunbo, Chen, Lianlian, He, Ke, Wang, Li-Li, Guo, Liwei, Liu, Guodong, Xue, Qi-Kun, Ma, Xucun

“…We have prepared Ca-intercalated multilayer epitaxial graphene films on silicon carbide and observed superconductivity in them with both magnetic and transport…”
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Gate-Variable Mid-Infrared Optical Transitions in a (Bi1–x Sb x )2Te3 Topological Insulator by Whitney, William S, Brar, Victor W, Ou, Yunbo, Shao, Yinming, Davoyan, Artur R, Basov, D. N, He, Ke, Xue, Qi-Kun, Atwater, Harry A

“…We report mid-infrared spectroscopy measurements of ultrathin, electrostatically gated (Bi1–x Sb x )2Te3 topological insulator films in which we observe…”
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Disentangling the magnetoelectric and thermoelectric transport in topological insulator thin films by Zhang, Jinsong, Feng, Xiao, Xu, Yong, Guo, Minghua, Zhang, Zuocheng, Ou, Yunbo, Feng, Yang, Li, Kang, Zhang, Haijun, Wang, Lili, Chen, Xi, Gan, Zhongxue, Zhang, Shou-Cheng, He, Ke, Ma, Xucun, Xue, Qi-Kun, Wang, Yayu

“…We report transport studies on (Bi sub(1-x)Sb sub(x)) sub(2)Te sub(3) topological insulator thin films with tunable electronic band structure. We find a doping…”
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Crystallinity of tellurium capping and epitaxy of ferromagnetic topological insulator films on SrTiO3 by Park, Jihwey, Soh, Yeong-Ah, Aeppli, Gabriel, Feng, Xiao, Ou, Yunbo, He, Ke, Xue, Qi-Kun

“…Thin films of topological insulators are often capped with an insulating layer since topological insulators are known to be fragile to degradation. However,…”
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Ambi-polar anomalous Nernst effect in a magnetic topological insulator by Guo, Minghua, Ou, Yunbo, Xu, Yong, Feng, Yang, Jiang, Gaoyuan, He, Ke, Ma, Xucun, Xue, Qi-Kun, Wang, Yayu

“…We report electromagnetic and thermomagnetic transport studies on a magnetic topological insulator thin film Cr0.15(Bi0.1Sb0.9)1.85Te3 grown by molecular beam…”
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Heavily Cr-doped (Bi,Sb)2Te3 as a ferromagnetic insulator with electrically tunable conductivity by Ou, Yunbo, Liu, Chang, Zhang, Liguo, Feng, Yang, Jiang, Gaoyuan, Zhao, Dongyang, Zang, Yunyi, Zhang, Qinghua, Gu, Lin, Wang, Yayu, He, Ke, Ma, Xucun, Xue, Qi-Kun

“…With molecular beam epitaxy we have grown Cry(BixSb1-x)2-yTe3 thin films with homogeneous distribution of Cr dopants and Curie temperature up to 77 K. The…”
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Transport properties of Sb2Te3/Bi2Te3 topological insulator heterostructures by Zhang, Zuocheng, Feng, Xiao, Guo, Minghua, Ou, Yunbo, Zhang, Jinsong, Li, Kang, Wang, Lili, Chen, Xi, Xue, Qikun, Ma, Xucun, He, Ke, Wang, Yayu

“…We report transport studies on Sb2Te3/Bi2Te3 topological insulator heterostructures grown by molecular beam epitaxy. Two devices with different Sb2Te3…”
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Ultrafast formation of quantized interlayer vibrations in Bi 2 Se 3 by photoinduced strain waves by Park, Tae Gwan, Oh, Eon-Taek, Kim, Sungwon, Ou, Yunbo, Moodera, Jagadeesh, Kim, Hyunjung, Rotermund, Fabian

“…This study comprehensively investigated the coherent lattice dynamics in Bi 2 Se 3 by ultrafast optical pump–probe spectroscopy with tunable near-infrared…”
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