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Dislocations without deep states in α-quartz

Heggie, M and Nylén, M (1985) Dislocations without deep states in α-quartz Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties, 51 (6). pp. 69-72.

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Abstract

Following an earlier paper on the application to dislocations of the Keating potential adapted for α-quartz, an extension of the potential that includes a mutual repulsion for oxygen ions is presented. This additional feature prevents the inward collapse of the cores of screw dislocations, particularly PSH, but does not have a strong effect on other dislocations. Two new types of dislocation with Burgers vector c and line direction a are included. It appears that none of the 15 dislocations relaxed with the new potential gives rise to deep states. © 1985 Taylor & Francis Group, LLC.

Item Type: Article
Authors :
NameEmailORCID
Heggie, Mm.heggie@surrey.ac.ukUNSPECIFIED
Nylén, MUNSPECIFIEDUNSPECIFIED
Date : 1 January 1985
Identification Number : 10.1080/13642818508243147
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:43
Last Modified : 17 May 2017 12:43
URI: http://epubs.surrey.ac.uk/id/eprint/836483

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