Superconductivity emerging from a suppressed large magnetoresistant state in tungsten ditelluride
Kang, DF; Zhou, YZ; Yi, W; Yang, CL; Guo, J; Shi, YG; Zhang, S; Wang, Z; Zhang, C; Jiang, S; Li, AG; Yang, K; Wu, Q; Zhang, GM; Sun, LL; Zhao, ZX; Sun, LL (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
2015
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号6页码:
文章类型期刊文献
摘要The recent discovery of large magnetoresistance in tungsten ditelluride provides a unique playground to find new phenomena and significant perspective for potential applications. The large magnetoresistance effect originates from a perfect balance of hole and electron carriers, which is sensitive to external pressure. Here we report the suppression of the large magnetoresistance and emergence of superconductivity in pressurized tungsten ditelluride via high-pressure synchrotron X-ray diffraction, electrical resistance, magnetoresistance and alternating current magnetic susceptibility measurements. Upon increasing pressure, the positive large magnetoresistance effect is gradually suppressed and turned off at a critical pressure of 10.5 GPa, where superconductivity accordingly emerges. No structural phase transition is observed under the pressure investigated. In situ high-pressure Hall coefficient measurements at low temperatures demonstrate that elevating pressure decreases the population of hole carriers but increases that of the electron ones. Significantly, at the critical pressure, a sign change of the Hall coefficient is observed.
关键词Electrical Properties Wte2
语种英语
WOS记录号WOS:000358860100006
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25056
专题中科院上海应用物理研究所2011-2018年
通讯作者Sun, LL (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
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Kang, DF,Zhou, YZ,Yi, W,et al. Superconductivity emerging from a suppressed large magnetoresistant state in tungsten ditelluride[J]. NATURE COMMUNICATIONS,2015,6:—.
APA Kang, DF.,Zhou, YZ.,Yi, W.,Yang, CL.,Guo, J.,...&Sun, LL .(2015).Superconductivity emerging from a suppressed large magnetoresistant state in tungsten ditelluride.NATURE COMMUNICATIONS,6,—.
MLA Kang, DF,et al."Superconductivity emerging from a suppressed large magnetoresistant state in tungsten ditelluride".NATURE COMMUNICATIONS 6(2015):—.
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