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Structural and transport properties of the topological semimetal TaSb2 at high pressures

文献类型：期刊论文

作者Zhou, Ying1,3; Gu, Chuanchuan3; Chen, Xuliang3; Zhou, Yonghui3; An, Chao1,3; Yang, Zhaorong2,3
刊名JOURNAL OF SOLID STATE CHEMISTRY
出版日期2018-09-01
卷号265页码:359-363
关键词High pressure Topological semimetal Magnetoresistance
ISSN号0022-4596
DOI10.1016/j.jssc.2018.06.027
通讯作者Yang, Zhaorong(zryang@issp.ac.cn)
英文摘要We performed in situ high-pressure synchrotron x-ray diffraction (XRD) and electrical transport measurements on topological semimetal TaSb2 in diamond anvil cells with pressures up to 60.0-63.0 GPa. No evident trace of structural phase transitions is observed from our XRD. A fit of the volume versus pressure data by using the third-order Birch-Murnaghan equation of state yields the bulk modulus B-0=131.2 +/- 3.4 GPa and its first-order derivative B-0(')= 6 +/- 0.3. From ambient pressure to 27.8 GPa, the low-temperature conduction behaviors of TaSb2 stay almost unchanged, exhibiting a power law with the exponent around 3; meanwhile, the magnetoresistance (MR) at 5 K follows a same relationship of MR alpha B-m with m=1.45 +/- 0.10. These results imply that the topological semimetal state of TaSb2 may be robust subjected to pressure, at least to 27.8 GPa.
WOS关键词DIRAC SEMIMETAL
资助项目National Key Research and Development Program of China[2018YFA0305700] ; National Key Research and Development Program of China[2016YFA0401804] ; National Natural Science Foundation of China (NSFC)[11574323] ; National Natural Science Foundation of China (NSFC)[11704387] ; National Natural Science Foundation of China (NSFC)[U1632275] ; Natural Science Foundation of Anhui Province[1708085QA19] ; Director's Fund of Hefei Institutes of Physical Science, Chinese Academy of Sciences[YZJJ201621]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000441485200047
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
资助机构National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/38058]  
专题合肥物质科学研究院_中科院强磁场科学中心
通讯作者Yang, Zhaorong
作者单位1.Univ Sci & Technol China, Hefei 230026, Peoples R China
2.Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Anhui, Peoples R China
3.Chinese Acad Sci, Anhui Prov Key Lab Condensed Matter Phys Extreme, High Field Magnet Lab, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Ying,Gu, Chuanchuan,Chen, Xuliang,et al. Structural and transport properties of the topological semimetal TaSb2 at high pressures[J]. JOURNAL OF SOLID STATE CHEMISTRY,2018,265:359-363.
APA Zhou, Ying,Gu, Chuanchuan,Chen, Xuliang,Zhou, Yonghui,An, Chao,&Yang, Zhaorong.(2018).Structural and transport properties of the topological semimetal TaSb2 at high pressures.JOURNAL OF SOLID STATE CHEMISTRY,265,359-363.
MLA Zhou, Ying,et al."Structural and transport properties of the topological semimetal TaSb2 at high pressures".JOURNAL OF SOLID STATE CHEMISTRY 265(2018):359-363.

入库方式： OAI收割

来源：合肥物质科学研究院

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