Local structure of yi_xcaxba2cu408 determined by xafs

Hironobu Maed, Tamotsu Fujimoto, Setsuo Kashino, Yoshihiro Kubozono, Shuichi Emura, Takatoshi Murata, Fujio Izumi, Yu Yamada, Takehiko Matsumoto, Yasuharu Kodama

Research output: Contribution to journalArticlepeer-review


The local structure of YBa2Cu408 doped with Ca was studied by extended X-ray absorption fine structure (EXAFS) analysis. X-ray absorption measurements at the Ca X-edge indicate that Ca2+ ions substitute for Y3+ ions and are coordinated to eight oxide ions with a Ca —O distance of about 2.37 A. The local structures around Ba and Cu atoms are also reported.

Original languageEnglish
Pages (from-to)587-589
Number of pages3
JournalJapanese Journal of Applied Physics
Publication statusPublished - Jan 1993


  • Ca substitution
  • Exafs
  • High-Tc superconductor
  • Local structure

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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