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- W1878956817 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 λ and the Coulomb pseudopotential * µ considering the variation of Fermi momentum F k and Debye temperature D θ 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 C T and the logarithmic volume derivative Φ of the effective interaction strength O NV for metallic glass superconductor. It has been observed that C T of Ca60Al40 metallic glass decreases rapidly with increase of pressure upto 60% decrease of volume, for which the * µ and Φ curves show a linear nature. The superconducting phase disappears at about 60% decrease of volume." @default.
- W1878956817 created "2016-06-24" @default.
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- W1878956817 date "2010-06-01" @default.
- W1878956817 modified "2023-10-18" @default.
- W1878956817 title "Pressure effects on Ca60Al40 metallic glass superconductors" @default.
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