PRESSURE EFFECTS ON CA60AL40 METALLIC GLASS SUPERCONDUCTORS

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DVORAK J.

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Journal: Iranian Journal of Physics Research Year:2010 | Volume:10 | Issue:1 Page(s): 65-65

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Title

PRESSURE EFFECTS ON CA60AL40 METALLIC GLASS SUPERCONDUCTORS

Author(s)

DVORAK J. | Issue Writer Certificate

Keywords

PSEUDOPOTENTIALQ3

METALLIC GLASSQ3

PRESSURE DEPENDENCE SUPERCONDUCTING STATE PARAMETERSQ3

LOCAL FIELD CORRECTION FUNCTIONSQ3

Abstract

Theoretical computation of the PRESSURE DEPENDENCE SUPERCONDUCTING STATE PARAMETERS of binary Ca60Al40 is reported using model potential formalism. Explicit expressions have been derived for the volume dependence of the electron–phonon coupling strength l and the Coulomb PSEUDOPOTENTIAL m* considering the variation of Fermi momentum KF and Debye temperature qD with volume. Well known Ashcroft’s empty core model PSEUDOPOTENTIAL and five different types of the LOCAL FIELD CORRECTION FUNCTIONS viz. Hartree, Taylor, Ichimaru-Utsumi, Farid et al. and Sarkar et al. have been used for obtaining pressure dependence of transition temperature TC and the logarithmic volume derivative F of the effective interaction strength NOV for METALLIC GLASS superconductor. It has been observed that TC of Ca60Al40 METALLIC GLASS decreases rapidly with increase of pressure upto 60% decrease of volume, for which the m* and F curves show a linear nature. The superconducting phase disappears at about 60% decrease of volume.

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APA: Copy

DVORAK, J.. (2010). PRESSURE EFFECTS ON CA60AL40 METALLIC GLASS SUPERCONDUCTORS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 10(1), 65-65. SID. https://sid.ir/paper/1986/en

Vancouver: Copy

DVORAK J.. PRESSURE EFFECTS ON CA60AL40 METALLIC GLASS SUPERCONDUCTORS. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2010;10(1):65-65. Available from: https://sid.ir/paper/1986/en

IEEE: Copy

J. DVORAK, “PRESSURE EFFECTS ON CA60AL40 METALLIC GLASS SUPERCONDUCTORS,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 10, no. 1, pp. 65–65, 2010, [Online]. Available: https://sid.ir/paper/1986/en

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