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Microstructure of quasi-one-dimensional superconductor KCr3As3prepared by K-ion deintercalation.
Zhang, Lu; Li, Jun; Mu, Qingge; Liu, Tong; Yang, Dong; Zhu, Chunhui; Ren, Zhi-An; Tian, Huanfang; Li, Zi-An; Li, Jianqi; Yang, Huaixin.
Afiliação
  • Zhang L; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
  • Li J; School of Physical Sciences, University of Chinese Academy of Science, Beijing, 100190, People's Republic of China.
  • Mu Q; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
  • Liu T; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
  • Yang D; School of Physical Sciences, University of Chinese Academy of Science, Beijing, 100190, People's Republic of China.
  • Zhu C; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
  • Ren ZA; School of Physical Sciences, University of Chinese Academy of Science, Beijing, 100190, People's Republic of China.
  • Tian H; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
  • Li ZA; School of Physics and Information Technology, Shaanxi Normal University, Xi'an, Shaanxi, 710119, People's Republic of China.
  • Li J; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
  • Yang H; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
J Phys Condens Matter ; 33(21)2021 May 03.
Article em En | MEDLINE | ID: mdl-33588386
The microstructure of quasi-one-dimensional KCr3As3(133) superconductors, which were prepared by chemical cation deintercalation from their counterpart K2Cr3As3(233) compounds, are investigated using scanning transmission electron microscopy. The nominal KCr3As3crystals generally exhibit irregular nanoscale 133-phase domains accompanied by an amorphous As-deficient phase and cracks as a result of alkali cation deintercalation processes. Analysis of local defective structures reveals the existence of an intermediate state in the transformation from 233 to 133 phase and a possible K-deficient 233-type structure as a nanoscale cluster. Our microscopic investigations offer insight into the microstructure of KCr3As3and the alkali metal cation deintercalation processes.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: J Phys Condens Matter Assunto da revista: BIOFISICA Ano de publicação: 2021 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: J Phys Condens Matter Assunto da revista: BIOFISICA Ano de publicação: 2021 Tipo de documento: Article