Structure of subgrains in large single-grain RE-Ba-Cu-O (RE = Y, Sm, Nd) bulk superconductors

研究成果: Article

8 引用 (Scopus)

抄録

We have studied the structures and misorientation angles of subgrains in large single-grain REBa2Cu3Oy (RE = Y, Sm, Nd) bulk superconductors by polarized optical microscopic observations and pole-figure measurements combined with micro-area X-ray diffraction analyses. We have found that subgrains were more elongated along the crystal growth direction with increasing misalignment, and that misorientation angles of the subgrains were almost comparable with those previously obtained on similar materials. We also discuss the possible mechanism for the subgrain formation.

元の言語English
ページ(範囲)358-364
ページ数7
ジャーナルJournal of Crystal Growth
229
発行部数1
出版物ステータスPublished - 2001 7 2
外部発表Yes

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Crystallization
Crystal growth
misalignment
Superconducting materials
Poles
X ray diffraction
crystal growth
poles
diffraction
Direction compound
x rays

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

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AU - Sakai, Naomichi

AU - Murakami, Masato

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AB - We have studied the structures and misorientation angles of subgrains in large single-grain REBa2Cu3Oy (RE = Y, Sm, Nd) bulk superconductors by polarized optical microscopic observations and pole-figure measurements combined with micro-area X-ray diffraction analyses. We have found that subgrains were more elongated along the crystal growth direction with increasing misalignment, and that misorientation angles of the subgrains were almost comparable with those previously obtained on similar materials. We also discuss the possible mechanism for the subgrain formation.

KW - A1. Characterization

KW - A1. Optical microscopy

KW - A1. X-ray diffraction

KW - A2. Top seeded solution growth

KW - B1. Cuprates

KW - B2. Superconducting materials

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