Structure and formation mechanism of subgrains in melt-processed REBa2Cu3Oy (RE = Y,Nd,Sm) bulk superconductors

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Abstract

We have studied the subgrain structures in large single-grain REBa2Cu3Oy (RE = Y, Nd, Sm) bulk superconductors with polarized optical microscopic observations and pole-figure measurements combined with X-ray micro diffraction system. We have found that misorientation angles of the subgrains were almost comparable with those previously reported on similar melt-processed materials. We will also discuss the possible mechanism of subgrain formation.

Original languageEnglish
JournalPhysica C: Superconductivity and its Applications
Volume341-348
DOIs
Publication statusPublished - 2000 Nov
Externally publishedYes

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misalignment
Superconducting materials
Poles
poles
Diffraction
X rays
diffraction
x rays

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

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title = "Structure and formation mechanism of subgrains in melt-processed REBa2Cu3Oy (RE = Y,Nd,Sm) bulk superconductors",
abstract = "We have studied the subgrain structures in large single-grain REBa2Cu3Oy (RE = Y, Nd, Sm) bulk superconductors with polarized optical microscopic observations and pole-figure measurements combined with X-ray micro diffraction system. We have found that misorientation angles of the subgrains were almost comparable with those previously reported on similar melt-processed materials. We will also discuss the possible mechanism of subgrain formation.",
author = "K. Ogasawara and Naomichi Sakai and Masato Murakami",
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AU - Ogasawara, K.

AU - Sakai, Naomichi

AU - Murakami, Masato

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AB - We have studied the subgrain structures in large single-grain REBa2Cu3Oy (RE = Y, Nd, Sm) bulk superconductors with polarized optical microscopic observations and pole-figure measurements combined with X-ray micro diffraction system. We have found that misorientation angles of the subgrains were almost comparable with those previously reported on similar melt-processed materials. We will also discuss the possible mechanism of subgrain formation.

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