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Superconductivity in transition metals

Slocombe, Daniel Rhys, Kuznetsov, V. L., Grochala, W., Williams, R. J. P. and Edwards, P. P. 2015. Superconductivity in transition metals. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373 (2037) , 20140476. 10.1098/rsta.2014.0476

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Abstract

A qualitative account of the occurrence and magnitude of superconductivity in the transition metals is presented, with a primary emphasis on elements of the first row. Correlations of the important parameters of the Bardeen–Cooper–Schrieffer theory of superconductivity are highlighted with respect to the number of d-shell electrons per atom of the transition elements. The relation between the systematics of superconductivity in the transition metals and the periodic table high-lights the importance of short-range or chemical bonding on the remarkable natural phenomenon of superconductivity in the chemical elements. A relationship between superconductivity and lattice instability appears naturally as a balance and competition between localized covalent bonding and so-called broken covalency, which favours d-electron delocalization and superconductivity. In this manner, the systematics of superconductivity and various other physical properties of the transition elements are related and unified.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords: superconductivity, elements, lattice instabilities, periodic table, transition metals
Publisher: The Royal Society
ISSN: 1364-503X
Last Modified: 04 Jun 2017 09:21
URI: http://orca.cardiff.ac.uk/id/eprint/93991

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