文献详情
Negative differential resistance and quantum oscillations in FeSb2 with embedded antimony
文献类型：期刊
通讯作者：Zhang, LY (reprint author), Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China.; Zhang, LY (reprint author), Shenzhen Inst Quantum Sci & Engn, Shenzhen 518055, Peoples R China.
期刊名称：CHINESE PHYSICS B影响因子和分区
年：2019
卷：28
期：3
ISSN：1674-1056
关键词：two-carrier transport; negative differential resistance; quantum oscillations; FeSb2 with embedded antimony
所属部门：物理学系
摘要：We present a systematical study on single crystalline FeSb2 using electrical transport and magnetic torque measurements at low temperatures. Nonlinear magnetic field dependence of Hall resistivity demonstrates a multi-carrier transport instinct of the electronic transport. Current-controlled negative differential resistance (CC-NDR) observed in current-voltage characteristics below similar to 7 K is closely associated with the intrinsic transition similar to 5 K of FeSb2, which is, however, medi ...More
We present a systematical study on single crystalline FeSb2 using electrical transport and magnetic torque measurements at low temperatures. Nonlinear magnetic field dependence of Hall resistivity demonstrates a multi-carrier transport instinct of the electronic transport. Current-controlled negative differential resistance (CC-NDR) observed in current-voltage characteristics below similar to 7 K is closely associated with the intrinsic transition similar to 5 K of FeSb2, which is, however, mediated by extrinsic current-induced Joule heating effect. The antimony crystallized in a preferred orientation within the FeSb2 lattice in the high-temperature synthesis process leaves its fingerprint in the de Haas-Van Alphen (dHvA) oscillations, and results in the regular angular dependence of the oscillating frequencies. Nevertheless, possible existence of intrinsic non-trivial states cannot be completely ruled out. Our findings call for further theoretical and experimental studies to explore novel physics on flux-free grown FeSb2 crystals. ...Hide

DOI：10.1088/1674-1056/28/3/037104
百度学术：Negative differential resistance and quantum oscillations in FeSb2 with embedded antimony
语言：外文
被引频次：2
人气指数：1
浏览次数：1
基金：Guangdong Innovative and Entrepreneurial Research Team Program, China [2016ZT06D348]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [11874193]; Shenzhen Fundamental Subject Research Program, China [JCYJ20170817110751776, JCYJ20170307105434022]; US Department of Energy, Office of Basic Energy Sciences as part of the Computational Material Science Program
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