Li, X., Chen, D., Jin, M., Ma, D., Ge, Y., Sun, J., Guo, W., Sun, H., Han, J., Xiao, W., Duan, J., Wang, Q., Liu, C. C., Zou, R., Cheng, J., Jin, C., Zhou, J., Goodenough, J. B., Zhu, J., & Yao, Y. (2019). Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4 Proceedings of the National Academy of Sciences of the United States of America, 116(36), 17696-17700. https://doi.org/10.1073/pnas.1909276116
Li, Xiang ; Chen, Dongyun ; Jin, Meiling 等. / Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4 在: Proceedings of the National Academy of Sciences of the United States of America. 2019 ; 卷 116, 号码 36. 页码 17696-17700.
@article{9d4080e37f44482091df48ed784834a4,
title = "Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4 ",
abstract = "Great progress has been achieved in the research field of topological states of matter during the past decade. Recently, a quasi-1- dimensional bismuth bromide, Bi4Br4, has been predicted to be a rotational symmetry-protected topological crystalline insulator; it would also exhibit more exotic topological properties under pressure. Here, we report a thorough study of phase transitions and superconductivity in a quasihydrostatically pressurized α-Bi4Br4 crystal by performing detailed measurements of electrical resistance, alternating current magnetic susceptibility, and in situ high-pressure single-crystal X-ray diffraction together with first principles calculations. We find a pressure-induced insulator-metal transition between ~3.0 and 3.8 GPa where valence and conduction bands cross the Fermi level to form a set of small pockets of holes and electrons.With further increase of pressure, 2 superconductive transitions emerge. One shows a sharp resistance drop to 0 near 6.8 K at 3.8 GPa; the transition temperature gradually lowers with increasing pressure and completely vanishes above 12.0 GPa. Another transition sets in around 9.0 K at 5.5 GPa and persists up to the highest pressure of 45.0 GPa studied in this work. Intriguingly, we find that the first superconducting phase might coexist with a nontrivial rotational symmetry-protected topology in the pressure range of ~3.8 to 4.3 GPa; the second one is associated with a structural phase transition from monoclinic C2/m to triclinic P-1 symmetry.",
keywords = "High pressure, Quasi-1-dimensional bismuth bromide, Superconductivity, Topological materials",
author = "Xiang Li and Dongyun Chen and Meiling Jin and Dashuai Ma and Yanfeng Ge and Jianping Sun and Wenhan Guo and Hao Sun and Junfeng Han and Wende Xiao and Junxi Duan and Qinsheng Wang and Liu, {Cheng Cheng} and Ruqiang Zou and Jinguang Cheng and Changqing Jin and Jianshi Zhou and Goodenough, {John B.} and Jinlong Zhu and Yugui Yao",
note = "Publisher Copyright: {\textcopyright} 2019 National Academy of Sciences. All rights reserved.",
year = "2019",
month = sep,
day = "3",
doi = "10.1073/pnas.1909276116",
language = "English",
volume = "116",
pages = "17696--17700",
journal = "Proceedings of the National Academy of Sciences of the United States of America",
issn = "0027-8424",
publisher = "National Academy of Sciences",
number = "36",
}
Li, X, Chen, D, Jin, M, Ma, D, Ge, Y, Sun, J, Guo, W, Sun, H, Han, J, Xiao, W, Duan, J, Wang, Q, Liu, CC, Zou, R, Cheng, J, Jin, C, Zhou, J, Goodenough, JB, Zhu, J & Yao, Y 2019, 'Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4 ', Proceedings of the National Academy of Sciences of the United States of America, 卷 116, 号码 36, 页码 17696-17700. https://doi.org/10.1073/pnas.1909276116
Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4 . /
Li, Xiang; Chen, Dongyun; Jin, Meiling 等.
在:
Proceedings of the National Academy of Sciences of the United States of America, 卷 116, 号码 36, 03.09.2019, 页码 17696-17700.
科研成果: 期刊稿件 › 文章 › 同行评审
TY - JOUR
T1 - Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4
AU - Li, Xiang
AU - Chen, Dongyun
AU - Jin, Meiling
AU - Ma, Dashuai
AU - Ge, Yanfeng
AU - Sun, Jianping
AU - Guo, Wenhan
AU - Sun, Hao
AU - Han, Junfeng
AU - Xiao, Wende
AU - Duan, Junxi
AU - Wang, Qinsheng
AU - Liu, Cheng Cheng
AU - Zou, Ruqiang
AU - Cheng, Jinguang
AU - Jin, Changqing
AU - Zhou, Jianshi
AU - Goodenough, John B.
AU - Zhu, Jinlong
AU - Yao, Yugui
N1 - Publisher Copyright:
© 2019 National Academy of Sciences. All rights reserved.
PY - 2019/9/3
Y1 - 2019/9/3
N2 - Great progress has been achieved in the research field of topological states of matter during the past decade. Recently, a quasi-1- dimensional bismuth bromide, Bi4Br4, has been predicted to be a rotational symmetry-protected topological crystalline insulator; it would also exhibit more exotic topological properties under pressure. Here, we report a thorough study of phase transitions and superconductivity in a quasihydrostatically pressurized α-Bi4Br4 crystal by performing detailed measurements of electrical resistance, alternating current magnetic susceptibility, and in situ high-pressure single-crystal X-ray diffraction together with first principles calculations. We find a pressure-induced insulator-metal transition between ~3.0 and 3.8 GPa where valence and conduction bands cross the Fermi level to form a set of small pockets of holes and electrons.With further increase of pressure, 2 superconductive transitions emerge. One shows a sharp resistance drop to 0 near 6.8 K at 3.8 GPa; the transition temperature gradually lowers with increasing pressure and completely vanishes above 12.0 GPa. Another transition sets in around 9.0 K at 5.5 GPa and persists up to the highest pressure of 45.0 GPa studied in this work. Intriguingly, we find that the first superconducting phase might coexist with a nontrivial rotational symmetry-protected topology in the pressure range of ~3.8 to 4.3 GPa; the second one is associated with a structural phase transition from monoclinic C2/m to triclinic P-1 symmetry.
AB - Great progress has been achieved in the research field of topological states of matter during the past decade. Recently, a quasi-1- dimensional bismuth bromide, Bi4Br4, has been predicted to be a rotational symmetry-protected topological crystalline insulator; it would also exhibit more exotic topological properties under pressure. Here, we report a thorough study of phase transitions and superconductivity in a quasihydrostatically pressurized α-Bi4Br4 crystal by performing detailed measurements of electrical resistance, alternating current magnetic susceptibility, and in situ high-pressure single-crystal X-ray diffraction together with first principles calculations. We find a pressure-induced insulator-metal transition between ~3.0 and 3.8 GPa where valence and conduction bands cross the Fermi level to form a set of small pockets of holes and electrons.With further increase of pressure, 2 superconductive transitions emerge. One shows a sharp resistance drop to 0 near 6.8 K at 3.8 GPa; the transition temperature gradually lowers with increasing pressure and completely vanishes above 12.0 GPa. Another transition sets in around 9.0 K at 5.5 GPa and persists up to the highest pressure of 45.0 GPa studied in this work. Intriguingly, we find that the first superconducting phase might coexist with a nontrivial rotational symmetry-protected topology in the pressure range of ~3.8 to 4.3 GPa; the second one is associated with a structural phase transition from monoclinic C2/m to triclinic P-1 symmetry.
KW - High pressure
KW - Quasi-1-dimensional bismuth bromide
KW - Superconductivity
KW - Topological materials
UR - http://www.scopus.com/inward/record.url?scp=85071788876&partnerID=8YFLogxK
U2 - 10.1073/pnas.1909276116
DO - 10.1073/pnas.1909276116
M3 - Article
C2 - 31420513
AN - SCOPUS:85071788876
SN - 0027-8424
VL - 116
SP - 17696
EP - 17700
JO - Proceedings of the National Academy of Sciences of the United States of America
JF - Proceedings of the National Academy of Sciences of the United States of America
IS - 36
ER -
Li X, Chen D, Jin M, Ma D, Ge Y, Sun J 等. Pressure-induced phase transitions and superconductivity in a quasi-1-dimensional topological crystalline insulator α-Bi4Br4 Proceedings of the National Academy of Sciences of the United States of America. 2019 9月 3;116(36):17696-17700. doi: 10.1073/pnas.1909276116