中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Electrical and Magnetic Properties for Bulk FeSe and FeSe0.5Te0.5 Superconductors

文献类型:期刊论文

作者Li, D.1; Zhang, B. L.1; Ming, H. W.1; Qin, X. Y.1,2,3,4; Zhang, J.1,2,3,4; Liu, H. J.2,3
刊名JOURNAL OF ELECTRONIC MATERIALS
出版日期2021-01-03
关键词Superconductivity FeSe-based materials magnetism
ISSN号0361-5235
DOI10.1007/s11664-020-08666-x
通讯作者Li, D.(lidi@issp.ac.cn)
英文摘要We report a one-step low temperature sintering method for preparing high quality FeSe and FeSe(0.5)Te(0.5)polycrystalline superconductors, and investigate their transport and magnetic properties. The low temperature resistance results show that onset temperatures of the superconducting transition for FeSe and FeSe0.5Te0.5 are 11.06 K and 14.72 K, respectively. X-ray diffraction results demonstrate that Te alloying causes expansion of lattice parameters, and density functional theory calculations confirm that Te-5p orbital electrons are related to the enhancement of the temperature of the superconducting transition. Magnetic measurements reveal that the superconducting diamagnetic transition appears at 9.35 K and 14.16 K for FeSe and FeSe0.5Te0.5, respectively, in keeping with the initial transition temperature of zero resistivity. In addition, high temperature transport results show that there is a sign crossover in the thermopower for FeSe and FeSe0.5Te0.5, which is due to the dominant contributions from electrons and holes.
资助项目National Key Research and Development Program of China[2018YFA0704303]
WOS研究方向Engineering ; Materials Science ; Physics
语种英语
WOS记录号WOS:000604509300013
出版者SPRINGER
资助机构National Key Research and Development Program of China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/120029]  
专题中国科学院合肥物质科学研究院
通讯作者Li, D.
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Photovolta & Energy Conservat Mat, HFIPS, Hefei 230031, Peoples R China
2.AnHui Univ, Inst Phys Sci, Hefei 230601, Peoples R China
3.AnHui Univ, Inst Informat Technol, Hefei 230601, Peoples R China
4.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714
Li, D.,Zhang, B. L.,Ming, H. W.,et al. Electrical and Magnetic Properties for Bulk FeSe and FeSe0.5Te0.5 Superconductors[J]. JOURNAL OF ELECTRONIC MATERIALS,2021.
APA Li, D.,Zhang, B. L.,Ming, H. W.,Qin, X. Y.,Zhang, J.,&Liu, H. J..(2021).Electrical and Magnetic Properties for Bulk FeSe and FeSe0.5Te0.5 Superconductors.JOURNAL OF ELECTRONIC MATERIALS.
MLA Li, D.,et al."Electrical and Magnetic Properties for Bulk FeSe and FeSe0.5Te0.5 Superconductors".JOURNAL OF ELECTRONIC MATERIALS (2021).

入库方式: OAI收割

来源:合肥物质科学研究院

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。