E-J characteristics of NdBa2Cu3O7-δ bulk superconductor determined with ac susceptibility

K. Inoue; N. Sakai; K. Waki; M. Murakami

doi:10.1016/S0921-4534(01)00343-4

E-J characteristics of NdBa₂Cu₃O_7-δ bulk superconductor determined with ac susceptibility

K. Inoue, N. Sakai, K. Waki, M. Murakami

材料工学科

研究成果: Article › 査読

9 被引用数 (Scopus)

抄録

Electric field (E)-current (J) characteristics of the NdBa₂Cu₃O_7-δ (Nd-123) bulk superconductor have been investigated by measuring the third harmonic ac susceptibility. They were compared with E-J characteristics determined with the dc magnetization measurements and magnetic relaxation methods. The n value was estimated on the assumption that E follows the power law: E ∼ Jⁿ. We found that the sample, which has the larger secondary peak on the J_c-B curve, exhibits the more remarkable peak structure on the magnetic field dependence of the n value.

本文言語	English
ページ（範囲）	531-533
ページ数	3
ジャーナル	Physica C: Superconductivity and its applications
巻	357-360
DOI	https://doi.org/10.1016/S0921-4534(01)00343-4
出版ステータス	Published - 2001 1 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

文献へのアクセス

10.1016/S0921-4534(01)00343-4

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引用スタイル

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abstract = "Electric field (E)-current (J) characteristics of the NdBa2Cu3O7-δ (Nd-123) bulk superconductor have been investigated by measuring the third harmonic ac susceptibility. They were compared with E-J characteristics determined with the dc magnetization measurements and magnetic relaxation methods. The n value was estimated on the assumption that E follows the power law: E ∼ Jn. We found that the sample, which has the larger secondary peak on the Jc-B curve, exhibits the more remarkable peak structure on the magnetic field dependence of the n value.",

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T1 - E-J characteristics of NdBa2Cu3O7-δ bulk superconductor determined with ac susceptibility

AU - Inoue, K.

AU - Sakai, N.

AU - Waki, K.

AU - Murakami, M.

PY - 2001/1/1

Y1 - 2001/1/1

N2 - Electric field (E)-current (J) characteristics of the NdBa2Cu3O7-δ (Nd-123) bulk superconductor have been investigated by measuring the third harmonic ac susceptibility. They were compared with E-J characteristics determined with the dc magnetization measurements and magnetic relaxation methods. The n value was estimated on the assumption that E follows the power law: E ∼ Jn. We found that the sample, which has the larger secondary peak on the Jc-B curve, exhibits the more remarkable peak structure on the magnetic field dependence of the n value.

AB - Electric field (E)-current (J) characteristics of the NdBa2Cu3O7-δ (Nd-123) bulk superconductor have been investigated by measuring the third harmonic ac susceptibility. They were compared with E-J characteristics determined with the dc magnetization measurements and magnetic relaxation methods. The n value was estimated on the assumption that E follows the power law: E ∼ Jn. We found that the sample, which has the larger secondary peak on the Jc-B curve, exhibits the more remarkable peak structure on the magnetic field dependence of the n value.

KW - Ac susceptibility

KW - E-J characteristics

KW - Nd-123

KW - Secondary peak

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