Superconductivity and the periodic table: from elements to materials | Zendy

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Superconductivity and the periodic table: from elements to materials

Author(s) -

Arndt Simon

Publication year - 2015

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2014.0192

Subject(s) - superconductivity , condensed matter physics , fermi level , lattice (music) , fermi gamma ray space telescope , periodic table , phonon , physics , materials science , quantum mechanics , electron , acoustics

Based on the normal-state electronic band structure, the necessary condition for a metal to become a superconductor is the simultaneous occurrence of flat and steep bands at the Fermi level. The sufficient condition at least for conventional superconductors is a strong enough coupling of the flat band states to the lattice, e.g. via phonons. Selected elements (Te) and compounds of the rare earth metals (RE(2)C(3), REC(2), RE(2)X(2)C(2) with X=halogen) and MgB(2) serve as examples to illustrate the idea.

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