Jc-B properties of large RE-Ba-Cu-O disks

Hirofumi Fukai; Masaru Tomita; Masato Murakami; Takao Nagatomo

doi:10.1088/0953-2048/13/6/334

J_c-B properties of large RE-Ba-Cu-O disks

Hirofumi Fukai, Masaru Tomita, Masato Murakami, Takao Nagatomo

研究成果: Conference article › 査読

11 被引用数 (Scopus)

抄録

We estimated J_c-B characteristics based on the sand-pile model from the magnetic field distribution on large disk samples with dimensions of 10 × 10 × 1 mm³. Such thin disks show a large demagnetizing effect. Thus simple estimates of J_c from the field distribution failed to determine correct values, and a large discrepancy was observed with J_c values determined from magnetization loops of small specimens. J_c-B characteristics obtained from the sand-pile model were in good agreement with those obtained from small specimens.

本文言語	English
ページ（範囲）	798-801
ページ数	4
ジャーナル	Superconductor Science and Technology
巻	13
号	6
DOI	https://doi.org/10.1088/0953-2048/13/6/334
出版ステータス	Published - 2000 6月 1
外部発表	はい
イベント	The 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn 継続期間: 1999 10月 19 → 1999 10月 22

ASJC Scopus subject areas

セラミックおよび複合材料
凝縮系物理学
金属および合金
電子工学および電気工学
材料化学

文献へのアクセス

10.1088/0953-2048/13/6/334

他のファイルとリンク

引用スタイル

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AU - Fukai, Hirofumi

AU - Tomita, Masaru

AU - Murakami, Masato

AU - Nagatomo, Takao

PY - 2000/6/1

Y1 - 2000/6/1

N2 - We estimated Jc-B characteristics based on the sand-pile model from the magnetic field distribution on large disk samples with dimensions of 10 × 10 × 1 mm3. Such thin disks show a large demagnetizing effect. Thus simple estimates of Jc from the field distribution failed to determine correct values, and a large discrepancy was observed with Jc values determined from magnetization loops of small specimens. Jc-B characteristics obtained from the sand-pile model were in good agreement with those obtained from small specimens.

AB - We estimated Jc-B characteristics based on the sand-pile model from the magnetic field distribution on large disk samples with dimensions of 10 × 10 × 1 mm3. Such thin disks show a large demagnetizing effect. Thus simple estimates of Jc from the field distribution failed to determine correct values, and a large discrepancy was observed with Jc values determined from magnetization loops of small specimens. Jc-B characteristics obtained from the sand-pile model were in good agreement with those obtained from small specimens.

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