Swetarekha, R
(2014)
Fermi Surface Properties of Binary and Ternary Superconductors.
PhD thesis, Indian Institute of Technology.
Abstract
Density functional theory (DFT) has been widely used in condensed matter physics to explore
different material properties and is the most successful theory in electronic structure calculations. In
the present thesis, DFT has been used to compute the Fermi surface (FS) topology under compression
in lanthanum and yttrium based binary and ternary Cu3Au-type superconducting compounds and
some lanthanum based filled skutterudites. In addition, we try to correlate the variation of the
density of states at the Fermi level, N(EF ), elastic softening, variation of superconducting transition
temperature, Tc, under compression with the FS topology change.
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