FULX-PINNING MECHANISM AND ACTIVATION ENERGY IN MALIC ACID-DOPED 
MGB2

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GHORBANI SH.R.; BASHI M.; BROUGHANI A.

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ISSN: 2588-4824

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Journal: Iranian Journal of Physics Research Year:2010 | Volume:10 | Issue:2 Page(s): 107-111

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Title

FULX-PINNING MECHANISM AND ACTIVATION ENERGY IN MALIC ACID-DOPED MGB2

Author(s)

GHORBANI SH.R. | BASHI M. | BROUGHANI A. | Issue Writer Certificate

Keywords

CRITICAL CURRENT DENSITYQ3

FULX-PINNING MECHANISMQ3

ACTIVATION ENERGY SUPERCONDUCTORQ3

SANS-SERIF"> MGB2Q3

Abstract

Fulx-pinning mechanism and activation energy of MgB2 doped with 10 wt % malic- acid has been investigated by measurement of CRITICAL CURRENT DENSITY and resistivity as a function of magnetic fields and temperatures. The field dependence of the CRITICAL CURRENT DENSITY, Jc (B), was analyzed within the collective pinning model. A crossover field, Bsb, from the single vortex to the small vortex bundle-pinning regime was observed. For sintered sample, the temperature dependence of Bsb (T) at low temperature is in good agreement with the δℓ pinning mechanism, i.e., pinning associated with charge-carrier mean free path fluctuation. The activation energy was decreased linearly by increasing magnetic field.

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APA: Copy

GHORBANI, SH.R., BASHI, M., & BROUGHANI, A.. (2010). FULX-PINNING MECHANISM AND ACTIVATION ENERGY IN MALIC ACID-DOPED MGB₂. IRANIAN JOURNAL OF PHYSICS RESEARCH, 10(2), 107-111. SID. https://sid.ir/paper/1889/en

Vancouver: Copy

GHORBANI SH.R., BASHI M., BROUGHANI A.. FULX-PINNING MECHANISM AND ACTIVATION ENERGY IN MALIC ACID-DOPED MGB₂. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2010;10(2):107-111. Available from: https://sid.ir/paper/1889/en

IEEE: Copy

SH.R. GHORBANI, M. BASHI, and A. BROUGHANI, “FULX-PINNING MECHANISM AND ACTIVATION ENERGY IN MALIC ACID-DOPED MGB₂,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 10, no. 2, pp. 107–111, 2010, [Online]. Available: https://sid.ir/paper/1889/en

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