Detection of oxygen deficient regions in yba2cu3 ox superconductors by polarized optical microscopy

Masato Murakami, Masashi Yoshida, Hiroyuki Fujimoto, Satoshi Gotoh, Naoki Koshizuka, Shoji Tanaka

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We have found that oxygen deficient regions in YBa2Cu3Ox superconductors exhibit different colors from that of the matrix under polarized light. When oxygen annealing was insufficient, large melt-grown YBaCuO crystals occasionally contained narrow bands exhibiting different colors where the twin structure was absent. Upon annealing in oxygen at­mosphere, these banded regions disappeared, indicating that these regions are oxygen deficient. Raman spectroscopy measurements also confirmed that such regions are oxygen deficient.

本文言語English
ページ(範囲)L796-L797
ジャーナルJapanese Journal of Applied Physics
30
5
DOI
出版ステータスPublished - 1991 5
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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