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Subtle lattice distortion-driven phase transitions in layered ACu4As2 (A = Eu, Sr)

文献类型：期刊论文

作者Nie, Yong3,4; Chen, Zheng4; Mei, Ming3,4; Wang, Yuan-Yuan3,4; Wu, Jia-Ting3,4; Jiang, Jia-Liang3,4; Song, Wen-Hai2; Ning, Wei4; Wang, Zhao-Sheng4; Zhu, Xiang-De4
刊名CHINESE PHYSICS B
出版日期2023-09-01
卷号32
ISSN号1674-1056
关键词thermal expansion specific heat lattice-distortion
DOI10.1088/1674-1056/acd36b
通讯作者Ning, Wei(ningwei@hmfl.ac.cn) ; Zhu, Xiang-De(xdzhu@hmfl.ac.cn) ; Tian, Ming-Liang(mltian@hmfl.ac.cn)
英文摘要The compounds composed of transition metal cations and pnictide anions provide a rich platform for studying novel physical phenomena. Here we report on the observation of a phase transition at similar to 70 K and 145 K in layered compound EuCu4As2 and SrCu4As2, respectively. from both the transport and heat capacity. The thermal expansion measurements show that the variation of the lattice parameters (Delta L-b/L-ab) around T-P is much less than that for a typical crystalline phase transition. Our experimental results reveal that the transition in EuCu4As2 and SrCu4As2 should be driven by subtle structural-distortion.
资助项目Project supported by the National Key Research and Development Program of China (Grant No. 2021YFA1600201), the National Natural Science Foundation of China (Grant Nos. U19A2093, U2032214, U2032163, U1732274, 11904002, and 11874359), the Collaborative Inno[2021YFA1600201] ; National Key Research and Development Program of China[U19A2093] ; National Key Research and Development Program of China[U2032214] ; National Key Research and Development Program of China[U2032163] ; National Key Research and Development Program of China[U1732274] ; National Key Research and Development Program of China[11904002] ; National Key Research and Development Program of China[11874359] ; National Natural Science Foundation of China[2019HSC-CIP 001] ; Collaborative Innovation Program of Hefei Science Center, Chinese Academy of Sciences (CAS)[2021117] ; Youth Innovation Promotion Association of CAS[1908085QA15] ; Natural Science Foundation of Anhui Province, China[YZJJQY202304] ; Hefei Institutes of Physical Science (HFIPS)[E26MMG71131] ; Chinese Academy of Sciences and Hefei Institutes of Physical Science (CASHIPS), China ; High Magnetic Field Laboratory of Anhui Province, China
WOS研究方向Physics
语种英语
出版者IOP Publishing Ltd
WOS记录号WOS:001073957200001
资助机构Project supported by the National Key Research and Development Program of China (Grant No. 2021YFA1600201), the National Natural Science Foundation of China (Grant Nos. U19A2093, U2032214, U2032163, U1732274, 11904002, and 11874359), the Collaborative Inno ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; Collaborative Innovation Program of Hefei Science Center, Chinese Academy of Sciences (CAS) ; Youth Innovation Promotion Association of CAS ; Natural Science Foundation of Anhui Province, China ; Hefei Institutes of Physical Science (HFIPS) ; Chinese Academy of Sciences and Hefei Institutes of Physical Science (CASHIPS), China ; High Magnetic Field Laboratory of Anhui Province, China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/133490]  
专题中国科学院合肥物质科学研究院
通讯作者Ning, Wei; Zhu, Xiang-De; Tian, Ming-Liang
作者单位1.Anhui Univ, Sch Phys, Hefei 230601, Peoples R China
2.Chinese Acad Sci, Key Lab Mat Phys, Inst Solid State Phys, HFIPS, Hefei 230031, Peoples R China
3.Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China
4.Chinese Acad Sci, Hefei Inst Phys Sci HFIPS, Anhui Prov Key Lab Condensed Matter Phys Extreme C, High Magnet Field Lab, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Nie, Yong,Chen, Zheng,Mei, Ming,et al. Subtle lattice distortion-driven phase transitions in layered ACu4As2 (A = Eu, Sr)[J]. CHINESE PHYSICS B,2023,32.
APA Nie, Yong.,Chen, Zheng.,Mei, Ming.,Wang, Yuan-Yuan.,Wu, Jia-Ting.,...&Tian, Ming-Liang.(2023).Subtle lattice distortion-driven phase transitions in layered ACu4As2 (A = Eu, Sr).CHINESE PHYSICS B,32.
MLA Nie, Yong,et al."Subtle lattice distortion-driven phase transitions in layered ACu4As2 (A = Eu, Sr)".CHINESE PHYSICS B 32(2023).

入库方式： OAI收割

来源：合肥物质科学研究院

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