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ON THE QUANTUM THEORY OF ISOTOPE EFFECTS IN ELECTROMIGRATION AND THERMOMIGRATION OF LIGHT INTERSTITIALS

STONEHAM, AM; FLYNN, CP; (1973) ON THE QUANTUM THEORY OF ISOTOPE EFFECTS IN ELECTROMIGRATION AND THERMOMIGRATION OF LIGHT INTERSTITIALS. J PHYS F MET PHYS , 3 (3) 505 - 512. 10.1088/0305-4608/3/3/008. Green open access

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Abstract

The electromigration and thermomigration of light interstitials, such as hydrogen in metals, have been examined in terms of the quantum theory of diffusion of Flynn and Stoneham. The pronounced isotope effect observed in the effective charge Z* is shown to come from the differences in the self trapping distortions of the various isotopes. The qualitative dependence of Z* on isotope, host lattice and temperature are correctly predicted. The interstitial contribution to the reduced heat of transport Q* is calculated directly from the quantum theory.

Type: Article
Title: ON THE QUANTUM THEORY OF ISOTOPE EFFECTS IN ELECTROMIGRATION AND THERMOMIGRATION OF LIGHT INTERSTITIALS
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/0305-4608/3/3/008
Publisher version: http://dx.doi.org/10.1088/0305-4608/3/3/008
Language: English
Additional information: Text made available to UCL Discovery by kind permission of IOP Publishing, 2012
UCL classification: UCL > School of BEAMS
UCL > School of BEAMS > Faculty of Maths and Physical Sciences
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/59733
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