Journal ArticleDOI
Low-field AC susceptibility study of critical current density in Eu:123 and Bi:2223 superconductors
A. Sedky,M.I. Youssif +1 more
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In this paper, low-field AC susceptibility measurements have been made, at different values of AC field amplitude Hm (26-600 A/m), on Eu:123 and Bi:2223 samples.About:
This article is published in Journal of Magnetism and Magnetic Materials.The article was published on 2001-11-01. It has received 13 citations till now. The article focuses on the topics: Magnetic susceptibility.read more
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Effect of deoxygenation on the weak-link behavior of YBa2Cu3O7−δ superconductors
Hadi Salamati,Parviz Kameli +1 more
TL;DR: In this paper, a systematic study of the weak link behavior for YBa2Cu3O7−δ polycrystalline samples has been done using the electrical resistivity and AC susceptibility techniques.
Journal ArticleDOI
The effect of Bi-2212 phase on the weak link behavior of Bi-2223 superconductors
Hadi Salamati,Parviz Kameli +1 more
TL;DR: In this paper, a systematic study of the weak link behavior for (Bi,Pb)2Sr2Ca2Cu3Oy (Bi-2223) polycrystalline samples has been done using the electrical resistivity and AC susceptibility techniques.
Journal ArticleDOI
Structural and physical properties of Cd-doped Bi1.64Pb0.36Sr2Ca2−xCdxCu3Oy superconductor
TL;DR: In this paper, the effect of Cd doping on structure and physical properties of the Bi-Pb-Sr-Ca-Cu-O system with a nominal starting composition of Bi1.64Pb0.36Sr2Ca2−xCdxCu3Oy was studied.
Journal ArticleDOI
The effect of sintering temperature on the intergranular properties of Bi2223 superconductors
TL;DR: In this paper, a systematic study of the intergranular properties of (Bi,Pb) 2 Sr 2 Ca 2 Cu 3 O y (Bi2223) polycrystalline samples has been done using the electrical resistivity and Ac susceptibility techniques.
Journal ArticleDOI
A Study of the Magnetic Properties of Bi1.64−xPb0.36CdxSr2Ca2Cu3Oy Superconductor
TL;DR: In this paper, a series of Bi-2223 superconductor samples with a nominal composition of BPCSCCO was synthesized and the effect of Cd substitution for Bi was investigated.
References
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Journal ArticleDOI
Magnetization of High-Field Superconductors
TL;DR: Experimental results and phenomenological theory based on the sponge model for hysteretic high-field superconductors are given in this article, where the response of the supercondors to alternating fields superimposed upon steady fields is studied.
Journal ArticleDOI
Giant flux creep and irreversibility in an Y-Ba-Cu-O crystal: An alternative to the superconducting-glass model.
Yosef Yeshurun,A. P. Malozemoff +1 more
TL;DR: Strong, anisotropic magnetic relaxation of the field-cooled and zero-field--cooled magnetization along the principal axes of an Y-Ba-Cu-O single crystal is reported and interpreted with a thermally activated flux-creep model.
Journal ArticleDOI
Granular and superconducting-glass properties of the high-temperature superconductors
TL;DR: In this article, a simple theoretical model for the granularity is introduced and then used to discuss a number of electrodynamic properties (hysteretic magnetization versus magnetic field, zero-field-cooled and field cooled magnetisation versus temperature, ac susceptibility, and flux creep with logarithmic time dependence).
Journal ArticleDOI
AC susceptibility of high temperature superconductors in a critical state model
TL;DR: In this paper, a critical state model for a granular superconductor is employed to calculate the temperature and AC and DC magnetic field dependence of the complex susceptibility, χ = χ ′ + iχ ″, of a sintered bulk YBa 2 Cu 3 O 7- δ superconductuctor.
Journal ArticleDOI
A.c. susceptibility and intergranular critical current density of high Tc superconductors
D.-X. Chen,Josep Nogués,K.V. Rao +2 more
TL;DR: In this paper, Kim's critical-state model is used for describing intergranular critical current density Jc(Hi), where Hi is the local field, and useful expressions and tables are presented for a.c. susceptibility, amplitude and frequency, and d.c bias field in high Tc superconductors.
Related Papers (5)
The effect of Bi-2212 phase on the weak link behavior of Bi-2223 superconductors
Hadi Salamati,Parviz Kameli +1 more
Critical current density in high-Tc Bi-2223 single crystals using AC and DC magnetic measurements
Shaoyan Chu,Michael E. McHenry +1 more