The Evaluation of E-J (Electric Field-Current Density) Characteristics in Single Crystal Nd-123 Superconductors at Different Temperatures | Zendy

MN Hasan | Zendy; Shamim Ahmed | Zendy

Open Access

The Evaluation of E-J (Electric Field-Current Density) Characteristics in Single Crystal Nd-123 Superconductors at Different Temperatures

Author(s) -

MN Hasan,

Shamim Ahmed

Publication year - 2022

Publication title -

the chittagong university journal of science

Language(s) - English

Resource type - Journals

ISSN - 1561-1167

DOI - 10.3329/cujs.v43i1.57331

Subject(s) - condensed matter physics , superconductivity , magnetization , electric field , single crystal , relaxation (psychology) , current density , current (fluid) , flux pinning , flux (metallurgy) , field (mathematics) , critical current , materials science , physics , magnetic field , nuclear magnetic resonance , thermodynamics , mathematics , quantum mechanics , psychology , social psychology , pure mathematics , metallurgy

The electric field- current density (E-J) characteristics of a Nd-123 single crystal superconductor at different temperatures were estimated from a relaxation of magnetization. For the investigation of flux pinning characteristics of this superconductor, the E-J characteristics were analyzed and compared with theoretical calculations using flux creep-flow model. The pinning parameters such as Am, g2, σ2, m, γ, δ are determined so that a good fit is obtained between the experimental and the theoretical results.The Chittagong Univ. J. Sci. 43(1): 21-30, 2021

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