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331 results on '"Yang, Zhaorong"'

52. Pressure-induced superconductivity in quasi-one-dimensional semimetal Ta2PdSe6

Author

Yang, Haiyang, primary, Zhou, Yonghui, additional, Li, Liangyu, additional, Chen, Zheng, additional, Zhang, Zhuyi, additional, Wang, Shuyang, additional, Wang, Jing, additional, Chen, Xuliang, additional, An, Chao, additional, Zhou, Ying, additional, Zhang, Min, additional, Zhang, Ranran, additional, Zhu, Xiangde, additional, Zhang, Lili, additional, Yang, Xiaoping, additional, and Yang, Zhaorong, additional

Published
2022
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53. Cascade of pressure-driven phase transitions in the topological nodal-line superconductor PbTaSe2

Author

Murtaza, Tahir, primary, Yang, Haiyang, additional, Feng, Jiajia, additional, Shen, Yi, additional, Ge, Yongheng, additional, Liu, Yi, additional, Xu, Chunqiang, additional, Jiao, Wenhe, additional, Lv, Yaokang, additional, Ridley, Christopher J., additional, Bull, Craig L., additional, Biswas, Pabitra K., additional, Sankar, Raman, additional, Zhou, Wei, additional, Qian, Bin, additional, Jiang, Xuefan, additional, Feng, Zhenjie, additional, Zhou, Yonghui, additional, Zhu, Ziming, additional, Yang, Zhaorong, additional, and Xu, Xiaofeng, additional

Published
2022
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64. Coupling between antiferromagnetic and spin-glass orders in the quasi-one-dimensional iron tellurideTaFe1+xTe3(x=0.25)

Author

Liu, Y., primary, Bao, J. J., additional, Xu, C. Q., additional, Jiao, W. H., additional, Zhang, H., additional, Xu, L. C., additional, Zhu, Zengwei, additional, Yang, H. Y., additional, Zhou, Yonghui, additional, Ren, Z., additional, Biswas, P. K., additional, Ghosh, S. K., additional, Yang, Zhaorong, additional, Ke, X., additional, Cao, G. H., additional, and Xu, Xiaofeng, additional

Published
2021
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71. Pressure-induced reemergence of superconductivity in the topological kagome metal CsV3Sb5

Author

Zhang, Zhuyi, primary, Chen, Zheng, additional, Zhou, Ying, additional, Yuan, Yifang, additional, Wang, Shuyang, additional, Wang, Jing, additional, Yang, Haiyang, additional, An, Chao, additional, Zhang, Lili, additional, Zhu, Xiangde, additional, Zhou, Yonghui, additional, Chen, Xuliang, additional, Zhou, Jianhui, additional, and Yang, Zhaorong, additional

Published
2021
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78. Superconductivity: Long‐Range Ordered Amorphous Atomic Chains as Building Blocks of a Superconducting Quasi‐One‐Dimensional Crystal (Adv. Mater. 38/2020)

Author

An, Chao, primary, Zhou, Yonghui, additional, Chen, Chunhua, additional, Fei, Fucong, additional, Song, Fengqi, additional, Park, Changyong, additional, Zhou, Jianhui, additional, Rubahn, Horst‐Günter, additional, Moshchalkov, Victor V., additional, Chen, Xuliang, additional, Zhang, Gufei, additional, and Yang, Zhaorong, additional

Published
2020
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79. Long‐Range Ordered Amorphous Atomic Chains as Building Blocks of a Superconducting Quasi‐One‐Dimensional Crystal

Author

An, Chao, primary, Zhou, Yonghui, additional, Chen, Chunhua, additional, Fei, Fucong, additional, Song, Fengqi, additional, Park, Changyong, additional, Zhou, Jianhui, additional, Rubahn, Horst‐Günter, additional, Moshchalkov, Victor V., additional, Chen, Xuliang, additional, Zhang, Gufei, additional, and Yang, Zhaorong, additional

Published
2020
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80. Emerging Superconductivity and the Origin of Its Enhancement in Pressurized Topological Nodal‐Line Semimetal SrAs 3

Author

Qi, Mengyao, primary, Zhu, Xiangde, additional, Zhou, Yonghui, additional, An, Chao, additional, Chen, Chunhua, additional, Yuan, Yifang, additional, Zhang, Bowen, additional, Wang, Shuyang, additional, Zhou, Ying, additional, Chen, Xuliang, additional, Zhang, Ranran, additional, Tian, Mingliang, additional, and Yang, Zhaorong, additional

Published
2020
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81. Persistent insulating state at megabar pressures in strongly spin-orbit coupled Sr2IrO4

Author

Chen, Chunhua, primary, Zhou, Yonghui, additional, Chen, Xuliang, additional, Han, Tao, additional, An, Chao, additional, Zhou, Ying, additional, Yuan, Yifang, additional, Zhang, Bowen, additional, Wang, Shuyang, additional, Zhang, Ranran, additional, Zhang, Lili, additional, Zhang, Changjin, additional, Yang, Zhaorong, additional, DeLong, Lance E., additional, and Cao, Gang, additional

Published
2020
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83. Pressure-driven Lifshitz transition in type-II Dirac semimetal NiTe2

Author

Qi, Mengyao, primary, An, Chao, additional, Zhou, Yonghui, additional, Wu, Hao, additional, Zhang, Bowen, additional, Chen, Chunhua, additional, Yuan, Yifang, additional, Wang, Shuyang, additional, Zhou, Ying, additional, Chen, Xuliang, additional, Zhang, Ranran, additional, and Yang, Zhaorong, additional

Published
2020
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86. Structural and electrical transport properties of charge density wave material LaAgSb2 under high pressure.

Author

Zhang, Bowen, An, Chao, Chen, Xuliang, Zhou, Ying, Zhou, Yonghui, Yuan, Yifang, Chen, Chunhua, Zhang, Lili, Yang, Xiaoping, and Yang, Zhaorong

Subjects
CHARGE density waves, DIFFRACTIVE scattering, RAMAN scattering, SINGLE crystals, SYNCHROTRONS, X-ray diffraction
Abstract

Layered lanthanum silver antimonide LaAgSb2 exhibits both charge density wave (CDW) order and Dirac-cone-like band structure at ambient pressure. Here, we systematically investigate the pressure evolution of structural and electronic properties of LaAgSb2 single crystal. We show that the CDW order is destabilized under compression, as evidenced by the gradual suppression of magnetoresistance. At PC ∼ 22 GPa, synchrotron x-ray diffraction and Raman scattering measurements reveal a structural modification at room-temperature. Meanwhile, the sign change of the Hall coefficient is observed at 5 K. Our results demonstrate the tunability of CDW order in the pressurized LaAgSb2 single crystal, which can be helpful for its potential applications in the next-generation devices. [ABSTRACT FROM AUTHOR]

Published
2021
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87. Effect of pressure on structural and electronic properties of the noncentrosymmetric superconductor Rh2Mo3N

Author

Zhou, Yonghui, primary, Wei, Wensen, additional, Zhang, Bowen, additional, Yuan, Yifang, additional, Chen, Chunhua, additional, Chen, Xuliang, additional, An, Chao, additional, Zhou, Ying, additional, Wu, Hao, additional, Wang, Shuyang, additional, Qi, Mengyao, additional, Zhang, Ranran, additional, Park, Changyong, additional, Tian, Mingliang, additional, and Yang, Zhaorong, additional

Published
2019
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89. Pressure-tunable large anomalous Hall effect of the ferromagnetic kagome-lattice Weyl semimetal Co3Sn2S2

Author

Chen, Xuliang, primary, Wang, Maoyuan, additional, Gu, Chuanchuan, additional, Wang, Shuyang, additional, Zhou, Yonghui, additional, An, Chao, additional, Zhou, Ying, additional, Zhang, Bowen, additional, Chen, Chunhua, additional, Yuan, Yifang, additional, Qi, Mengyao, additional, Zhang, Lili, additional, Zhou, Haidong, additional, Zhou, Jianhui, additional, Yao, Yugui, additional, and Yang, Zhaorong, additional

Published
2019
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91. Superconductor-insulator transition driven by pressure-tuned intergrain coupling in nanodiamond films

Author

Zhang, Gufei, primary, Zhou, Yonghui, additional, Korneychuk, Svetlana, additional, Samuely, Tomas, additional, Liu, Liwang, additional, May, Paul W., additional, Xu, Zheng, additional, Onufriienko, Oleksandr, additional, Zhang, Xuefeng, additional, Verbeeck, Johan, additional, Samuely, Peter, additional, Moshchalkov, Victor V., additional, Yang, Zhaorong, additional, and Rubahn, Horst-Günter, additional

Published
2019
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92. Pressure-induced evolution of structural and electronic properties in TiTe2

Author

Zhou, Yonghui, primary, Chen, Chunhua, additional, Zhou, Ying, additional, Chen, Xuliang, additional, Gu, Chuanchuan, additional, An, Chao, additional, Zhang, Bowen, additional, Yuan, Yifang, additional, Wu, Hao, additional, Zhang, Ranran, additional, Zhang, Lili, additional, Zhu, Xiangde, additional, Yang, Xiaoping, additional, and Yang, Zhaorong, additional

Published
2019
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95. Pressure-engineered optical properties and emergent superconductivity in chalcopyrite semiconductor ZnSiP2.

Author

Yuan, Yifang, Zhu, Xiangde, Zhou, Yonghui, Chen, Xuliang, An, Chao, Zhou, Ying, Zhang, Ranran, Gu, Chuanchuan, Zhang, Lili, Li, Xinjian, and Yang, Zhaorong

Subjects
OPTICAL properties, SUPERCONDUCTIVITY, SEMICONDUCTORS, CHALCOPYRITE, PHASE transitions
Abstract

Chalcopyrite II-IV-V2 semiconductors are promising materials in nonlinear optical, optoelectronic, and photovoltaic applications. In this work, pressure-tailored optical properties as well as pressure-driven emergent superconductivity in chalcopyrite ZnSiP2 are reported via photoluminescence (PL) spectroscopy and electrical transport experiments. During compression, the PL peak energy exhibits a plateau between 1.4 and 8.7 GPa, which is accompanied by a piezochromic transition and correlated with the progressive development of cation disorder. Upon further compression across a phase transition from tetragonal to cubic rock-salt structure, superconductivity with a critical temperature Tc ~ 8.2 K emerges immediately. Tc decreases in the range of 24.6–37.1 GPa but inversely increases at higher pressures, thereby exhibiting an unusual V-shaped superconducting phase diagram. These findings present vivid structure–property relationships, which not only offer important clues to optimize the optical and electronic properties, but also provide a new way to use compression to switch between different functionalities. Semiconductors: Applying pressure for improved optics A semiconductor that is compatible with silicon but has better optical properties has been fully characterized by researchers in China. Silicon is perhaps the best-known example of a semiconductor but is not good at emitting light. Scientists continue to identify and characterize alternatives that might be better suited for specific applications. Yifang Yuan from the High Magnetic Field Laboratory in Hefei and co-workers have investigated in detail the properties of semiconducting zinc-silicon-phosphorus. ZnSiP2 is a member of a class of materials known as chalcopyrites and is compatible with and can be grown on silicon but is better at generating light. The team studied how external pressure affects the semiconductor's structural, optical and electronic properties. They showed that at a sufficiently high pressure, the semiconductor exhibits superconducting behavior. Pressure engineered optical properties as well as presssure induced emergent superconductivity are revealed in II-IV-V2 semiconductor ZnSiP2, which demonstrate vivid structure–property relationships. Especially, along with a structural phase transition from tetragonal to cubic phase under compression, ZnSiP2 evolves from a photovoltaic semiconductor into a superconductor. [ABSTRACT FROM AUTHOR]

Published
2021
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96. Pressure-engineered optical properties and emergent superconductivity in chalcopyrite semiconductor ZnSiP2.

Author

Yuan, Yifang, Zhu, Xiangde, Zhou, Yonghui, Chen, Xuliang, An, Chao, Zhou, Ying, Zhang, Ranran, Gu, Chuanchuan, Zhang, Lili, Li, Xinjian, and Yang, Zhaorong

Abstract

Chalcopyrite II-IV-V2 semiconductors are promising materials in nonlinear optical, optoelectronic, and photovoltaic applications. In this work, pressure-tailored optical properties as well as pressure-driven emergent superconductivity in chalcopyrite ZnSiP2 are reported via photoluminescence (PL) spectroscopy and electrical transport experiments. During compression, the PL peak energy exhibits a plateau between 1.4 and 8.7 GPa, which is accompanied by a piezochromic transition and correlated with the progressive development of cation disorder. Upon further compression across a phase transition from tetragonal to cubic rock-salt structure, superconductivity with a critical temperature Tc ~ 8.2 K emerges immediately. Tc decreases in the range of 24.6–37.1 GPa but inversely increases at higher pressures, thereby exhibiting an unusual V-shaped superconducting phase diagram. These findings present vivid structure–property relationships, which not only offer important clues to optimize the optical and electronic properties, but also provide a new way to use compression to switch between different functionalities.Semiconductors: Applying pressure for improved optics A semiconductor that is compatible with silicon but has better optical properties has been fully characterized by researchers in China. Silicon is perhaps the best-known example of a semiconductor but is not good at emitting light. Scientists continue to identify and characterize alternatives that might be better suited for specific applications. Yifang Yuan from the High Magnetic Field Laboratory in Hefei and co-workers have investigated in detail the properties of semiconducting zinc-silicon-phosphorus. ZnSiP2 is a member of a class of materials known as chalcopyrites and is compatible with and can be grown on silicon but is better at generating light. The team studied how external pressure affects the semiconductor’s structural, optical and electronic properties. They showed that at a sufficiently high pressure, the semiconductor exhibits superconducting behavior.Pressure engineered optical properties as well as presssure induced emergent superconductivity are revealed in II-IV-V2 semiconductor ZnSiP2, which demonstrate vivid structure–property relationships. Especially, along with a structural phase transition from tetragonal to cubic phase under compression, ZnSiP2 evolves from a photovoltaic semiconductor into a superconductor. [ABSTRACT FROM AUTHOR]

Published
2021
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97. Emerging Superconductivity and the Origin of Its Enhancement in Pressurized Topological Nodal‐Line Semimetal SrAs3.

Author

Qi, Mengyao, Zhu, Xiangde, Zhou, Yonghui, An, Chao, Chen, Chunhua, Yuan, Yifang, Zhang, Bowen, Wang, Shuyang, Zhou, Ying, Chen, Xuliang, Zhang, Ranran, Tian, Mingliang, and Yang, Zhaorong

Subjects
SUPERCONDUCTIVITY, SUPERCONDUCTING transitions, CUPRATES, CARRIER density, FERMI level, SUPERCONDUCTING transition temperature, DENSITY of states
Abstract

Topological nodal‐line semimetal SrAs3 hosts a simple nodal loop on the verge of Fermi level without distracting trivial states, providing a good platform for further investigations of electronic quantum states. Here, a report on pressure‐driven superconductivity in SrAs3 single crystal is provided and the interplay between the crystal structure, electronic state, and superconductivity is clarified therein. The comprehensive high‐pressure experiments, i.e., synchrotron X‐ray diffraction, electrical transport, and Raman spectroscopy, consistently reveal a critical pressure Pc ≈ 25 GPa. Around Pc, a superconducting transition appears, concomitant with the formation of high‐pressure cubic Pm‐3m phase. Meanwhile, the superconducting transition temperature Tc and hole carrier density increase synchronously above Pc. This finding demonstrates that the emerging superconductivity in SrAs3 stems from the high‐pressure cubic phase on the one hand, and shows that the evolution of Tc(P) is intimately correlated with the enhanced density of states near the Fermi level on the other hand. [ABSTRACT FROM AUTHOR]

Published
2020
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98. Pressure‐Induced Superconductivity in Topological Semimetal Candidate TaTe4.

Author

Yuan, Yifang, Wang, Weike, Zhou, Yonghui, Chen, Xuliang, Gu, Chuanchuan, An, Chao, Zhou, Ying, Zhang, Bowen, Chen, Chunhua, Zhang, Ranran, and Yang, Zhaorong

Subjects
CARRIER density, SUPERCONDUCTIVITY, ENHANCED magnetoresistance, CHARGE density waves, GEOMETRIC quantum phases, HIGH temperature superconductivity, HALL effect, MAGNETORESISTANCE
Abstract

Quasi‐1D transition metal tetrachalcogenide TaTe4 exhibits charge‐density waves (CDW), large anisotropic magnetoresistance, and nontrivial Berry phase at ambient pressure. Pressure‐induced superconductivity is reported in pristine TaTe4 via electrical transport experiments. It is shown that the superconductivity, first observed at Pc ≈ 8.0 GPa, is robust up to 50.6 GPa. No structural transition is detected up to 21.4 GPa, which indicates the tetragonal structure of TaTe4 is stable across Pc. Hall resistivity measurements reveal that both electron and hole densities increase sharply upon compression up to Pc and level off at higher pressures, suggesting that the emergent superconductivity of pressurized TaTe4 can be attributed to the enhancement of the charge carrier density. This finding may provide a new platform to investigate the interplay among superconducting, CDW, and topological orders. [ABSTRACT FROM AUTHOR]

Published
2020
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99. Pressure-induced superconductivity in topological semimetal NbAs2

Author

Li, Yupeng, primary, An, Chao, additional, Hua, Chenqiang, additional, Chen, Xuliang, additional, Zhou, Yonghui, additional, Zhou, Ying, additional, Zhang, Ranran, additional, Park, Changyong, additional, Wang, Zhen, additional, Lu, Yunhao, additional, Zheng, Yi, additional, Yang, Zhaorong, additional, and Xu, Zhu-An, additional

Published
2018
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100. Superconductivity: Pressure-Induced Metallization and Robust Superconductivity in Pristine 1T -SnSe2 (Adv. Electron. Mater. 8/2018)

Author

Zhou, Yonghui, primary, Zhang, Bowen, additional, Chen, Xuliang, additional, Gu, Chuanchuan, additional, An, Chao, additional, Zhou, Ying, additional, Cai, Kaiming, additional, Yuan, Yifang, additional, Chen, Chunhua, additional, Wu, Hao, additional, Zhang, Ranran, additional, Park, Changyong, additional, Xiong, Yimin, additional, Zhang, Xiuwen, additional, Wang, Kaiyou, additional, and Yang, Zhaorong, additional

Published
2018
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