Higher-harmonic Susceptibilities of Bi-ceramic Superconductors

Hiromasa Mazaki; Hirosi Yasuoka; Nobuhisa Koide; Masato Kakihana; Masahiro Yoshimura

doi:10.2497/jjspm.39.756

Higher-harmonic Susceptibilities of Bi-ceramic Superconductors

Hiromasa Mazaki, Hirosi Yasuoka, Nobuhisa Koide, Masato Kakihana, Masahiro Yoshimura

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

For the study of magnetic properties of sintered high-Tc ceramic superconductors, we measured harmonic ac susceptibilities Xn = Xn'-iXn” of Bi_1.6Pb_0.4Sr₂Ca₂Cu₃O_y immersed inan external field H(t) = H'dc + Haccos(Öt), where Hdc (0) is a dc bias field and Hac (> 0) is an ac field amplitude. Measurements of Xn were carried out for n = 1, 2, 3, 5, 7, 9 and OHac = 0.01-0.1 mT. The fundamental frequency used was 132 Hz. The observed results wereanalyzed within the construct of the Kim-Anderson model for critical-current density. Similar to our previous work for an YBa2Cu3Oy sample with Fe impurities, generation of the higherharmonic susceptibilities seems to arise from the supercurrent according to the same model. Details of the measurement and the analysis are presented.

Original language	English
Pages (from-to)	756-762
Number of pages	7
Journal	journal of the japan society of powder and powder metallurgy
Volume	39
Issue number	9
DOIs	https://doi.org/10.2497/jjspm.39.756
Publication status	Published - 1992 Jun

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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title = "Higher-harmonic Susceptibilities of Bi-ceramic Superconductors",

abstract = "For the study of magnetic properties of sintered high-Tc ceramic superconductors, we measured harmonic ac susceptibilities Xn = Xn'-iXn” of Bi1.6Pb0.4Sr2Ca2Cu3Oy immersed inan external field H(t) = H'dc + Haccos({\"O}t), where Hdc (0) is a dc bias field and Hac (> 0) is an ac field amplitude. Measurements of Xn were carried out for n = 1, 2, 3, 5, 7, 9 and OHac = 0.01-0.1 mT. The fundamental frequency used was 132 Hz. The observed results wereanalyzed within the construct of the Kim-Anderson model for critical-current density. Similar to our previous work for an YBa2Cu3Oy sample with Fe impurities, generation of the higherharmonic susceptibilities seems to arise from the supercurrent according to the same model. Details of the measurement and the analysis are presented.",

author = "Hiromasa Mazaki and Hirosi Yasuoka and Nobuhisa Koide and Masato Kakihana and Masahiro Yoshimura",

year = "1992",

month = jun,

doi = "10.2497/jjspm.39.756",

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AU - Mazaki, Hiromasa

AU - Yasuoka, Hirosi

AU - Koide, Nobuhisa

AU - Kakihana, Masato

AU - Yoshimura, Masahiro

PY - 1992/6

Y1 - 1992/6

N2 - For the study of magnetic properties of sintered high-Tc ceramic superconductors, we measured harmonic ac susceptibilities Xn = Xn'-iXn” of Bi1.6Pb0.4Sr2Ca2Cu3Oy immersed inan external field H(t) = H'dc + Haccos(Öt), where Hdc (0) is a dc bias field and Hac (> 0) is an ac field amplitude. Measurements of Xn were carried out for n = 1, 2, 3, 5, 7, 9 and OHac = 0.01-0.1 mT. The fundamental frequency used was 132 Hz. The observed results wereanalyzed within the construct of the Kim-Anderson model for critical-current density. Similar to our previous work for an YBa2Cu3Oy sample with Fe impurities, generation of the higherharmonic susceptibilities seems to arise from the supercurrent according to the same model. Details of the measurement and the analysis are presented.

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Higher-harmonic Susceptibilities of Bi-ceramic Superconductors

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