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Structural and electrical transport properties of charge density wave material LaAgSb2 under high pressure*
Zhang, Bowen1,2; An, Chao3,4; Chen, Xuliang1,6; Zhou, Ying3; Zhou, Yonghui1,6; Yuan, Yifang1; Chen, Chunhua1; Zhang, Lili5; Yang, Xiaoping1,6; Yang, Zhaorong1,3,6
2021-07-01
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Corresponding AuthorAn, Chao(chaoan@ahu.edu.cn) ; Yang, Xiaoping(xpyang@hmfl.ac.cn) ; Yang, Zhaorong(zryang@issp.ac.cn)
AbstractLayered lanthanum silver antimonide LaAgSb2 exhibits both charge density wave (CDW) order and Dirac-cone-like band structure at ambient pressure. Here, we systematically investigate the pressure evolution of structural and electronic properties of LaAgSb2 single crystal. We show that the CDW order is destabilized under compression, as evidenced by the gradual suppression of magnetoresistance. At P (C) similar to 22 GPa, synchrotron x-ray diffraction and Raman scattering measurements reveal a structural modification at room-temperature. Meanwhile, the sign change of the Hall coefficient is observed at 5 K. Our results demonstrate the tunability of CDW order in the pressurized LaAgSb2 single crystal, which can be helpful for its potential applications in the next-generation devices.
Keywordhigh pressure charge density wave crystal structure electrical transport
DOI10.1088/1674-1056/abf643
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFA0305700] ; National Key Research and Development Program of China[2017YFA0403600] ; National Key Research and Development Program of China[2016YFA0401804] ; National Natural Science Foundation of China[U1632275] ; National Natural Science Foundation of China[U19A2093] ; National Natural Science Foundation of China[U1932152] ; National Natural Science Foundation of China[U1632162] ; National Natural Science Foundation of China[12004004] ; National Natural Science Foundation of China[11874362] ; National Natural Science Foundation of China[11804344] ; National Natural Science Foundation of China[11704387] ; National Natural Science Foundation of China[11674325] ; Natural Science Foundation of Anhui Province, China[1908085QA18] ; Natural Science Foundation of Anhui Province, China[2008085QA40] ; Natural Science Foundation of Anhui Province, China[1808085MA06] ; Users with Excellence Project of Hefei Science Center CAS[2018HSC-UE012] ; Users with Excellence Project of Hefei Science Center CAS[2020HSC-CIP014] ; Users with Excellence Project of Hefei Science Center CAS[2020HSC-UE015] ; Users with Excellence Project of Hefei Science Center CAS[2021HSC-UE008] ; Major Program of Development Foundation of Hefei Center for Physical Science and Technology[2018ZYFX002] ; High Magnetic Field Laboratory of Anhui Province[AHHM-FX-2020-02] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2020443]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Natural Science Foundation of Anhui Province, China ; Users with Excellence Project of Hefei Science Center CAS ; Major Program of Development Foundation of Hefei Center for Physical Science and Technology ; High Magnetic Field Laboratory of Anhui Province ; Youth Innovation Promotion Association of Chinese Academy of Sciences
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000674707400001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/123343
Collection中国科学院合肥物质科学研究院
Corresponding AuthorAn, Chao; Yang, Xiaoping; Yang, Zhaorong
Affiliation1.Chinese Acad Sci, Anhui Prov Key Lab Condensed Matter Phys Extreme, High Magnet Field Lab, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Sci Isl Branch, Grad Sch, Hefei 230026, Peoples R China
3.Anhui Univ, Informat Mat & Intelligent Sensing Lab Anhui Prov, Inst Phys Sci & Informat Technol, Hefei 230601, Peoples R China
4.Anhui Univ, Minist Educ, Key Lab Struct & Funct Regulat Hybrid Mat, Hefei 230601, Peoples R China
5.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 200031, Peoples R China
6.High Magnet Field Lab Anhui Prov, Hefei 230031, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Bowen,An, Chao,Chen, Xuliang,et al. Structural and electrical transport properties of charge density wave material LaAgSb2 under high pressure*[J]. CHINESE PHYSICS B,2021,30.
APA Zhang, Bowen.,An, Chao.,Chen, Xuliang.,Zhou, Ying.,Zhou, Yonghui.,...&Yang, Zhaorong.(2021).Structural and electrical transport properties of charge density wave material LaAgSb2 under high pressure*.CHINESE PHYSICS B,30.
MLA Zhang, Bowen,et al."Structural and electrical transport properties of charge density wave material LaAgSb2 under high pressure*".CHINESE PHYSICS B 30(2021).
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