期刊
CHINESE PHYSICS LETTERS
卷 32, 期 9, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0256-307X/32/9/097102
关键词
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资金
- National Natural Science Foundation of China [11422429, 11421404]
- National Basic Research Program of China [2012CB821402, 2015CB921401]
- China Postdoctoral Science Foundation [2014M560288]
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
- Science and Technology Commission of Shanghai Municipality of China [15XD1500200]
- DOE-NNSA [DE-NA0001974]
- DOE-BES [DE-FG02-99ER45775]
- NSF
- DOE Office of Science by Argonne National Laboratory [DE-AC02-06CH11357]
We perform a series of high-pressure synchrotron x-ray diffraction (XRD) and resistance measurements on the Weyl semimetal NbAs. The crystal structure remains stable up to 26 GPa according to the powder XRD data. The resistance of NbAs single crystal increases monotonically with pressure at low temperature. Up to 20 GPa, no superconducting transition is observed down to 0.3 K. These results show that the Weyl semimetal phase is robust in NbAs, and applying pressure may not be a good way to obtain a topological superconductor from Weyl semimetal NbAs.
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