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Superconducting Properties of Metallic Glass Ca 70 Mg 30 through Ashcroft's Pseudopotential
Author(s) -
Gupta Manish,
Agarwal P. C.,
Sharma K. S.,
Dass L.
Publication year - 1999
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(199902)211:2<731::aid-pssb731>3.0.co;2-y
Subject(s) - pseudopotential , condensed matter physics , superconductivity , coulomb , materials science , exponent , amorphous metal , electron , physics , quantum mechanics , composite material , linguistics , philosophy , alloy
The screened form factors obtained from the Ashcroft's empty core model pseudopotential for electron–ion interaction by employing Geldart and Vosko screening have been used for the prediction of the superconducting state properties viz. electron–phonon coupling strength λ, Coulomb pseudopotential μ*, transition temperature T c , isotope effect exponent α, and the interaction strength N 0 V of binary metallic glass Ca 70 Mg 30 . The results obtained are in the expected range. The obtained T c value of 17 K suggests suitability of this metallic glass for its use as lossless transmission line for cryogenic applications.