Higher-Harmonic Susceptibilities of Ho-Ceramic Superconductors

Hiromasa Mazaki; Hiroshi Yasuoka; Masato Kakihana; Masahiro Yoshimura

doi:10.2497/jjspm.40.166

Higher-Harmonic Susceptibilities of Ho-Ceramic Superconductors

Hiromasa Mazaki, Hiroshi Yasuoka, Masato Kakihana, Masahiro Yoshimura

Department of Materials Science and Engineering

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

Abstract

We have investigated harmonic ac susceptibilities Xn=Xn'-iX_n" (n=1, 2, 3) of a ceramic superconductor HoBa₂Cu₄O_y synthesized by the polymerized complex method. The sample are immersed in an external field H(t)= H_dc+ H_accos(ωt), where Hdc (≧0) is a dc bias field and Hac (>0) is an ac field amplitude. Measurements of Xn were carried out for μ_OH_ac = 0.01-0.1 mT and the fundamental frequency was 132 Hz. The observed results were analyzed within the construct of the Kim-Anderson model for critical current density and were compared to those previously obtained for other sintered ceramic superconductors. Details of the measurement and the analysis are presented.

Original language	English
Pages (from-to)	166-170
Number of pages	5
Journal	journal of the japan society of powder and powder metallurgy
Volume	40
Issue number	2
DOIs	https://doi.org/10.2497/jjspm.40.166
Publication status	Published - 1993 Jan 1

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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abstract = "We have investigated harmonic ac susceptibilities Xn=Xn'-iXn{"} (n=1, 2, 3) of a ceramic superconductor HoBa2Cu4Oy synthesized by the polymerized complex method. The sample are immersed in an external field H(t)= Hdc+ Haccos(ωt), where Hdc (≧0) is a dc bias field and Hac (>0) is an ac field amplitude. Measurements of Xn were carried out for μOHac = 0.01-0.1 mT and the fundamental frequency was 132 Hz. The observed results were analyzed within the construct of the Kim-Anderson model for critical current density and were compared to those previously obtained for other sintered ceramic superconductors. Details of the measurement and the analysis are presented.",

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Higher-Harmonic Susceptibilities of Ho-Ceramic Superconductors

Abstract

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