Lubrication of dislocation glide in forsterite by Mg vacancies: insights from Peierls-Nabarro modeling

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1016/j.pepi.2018.12.004.

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Authors

Richard Skelton, Andrew Walker 

Abstract

Dislocation glide is an important contributor to the rheology of olivine under conditions of high stress and low to moderate temperature, such as occur in mantle wedges. Interactions between point defects and dislocation core may alter the Peierls stress,

DOI

https://doi.org/10.31223/osf.io/nj5mf

Subjects

Condensed Matter Physics, Earth Sciences, Geophysics and Seismology, Mineral Physics, Physical Sciences and Mathematics, Physics

Keywords

forsterite, dislocation, cation vacancies, Peierls-Nabarro modeling, Peierls stress

Dates

Published: 2018-07-26 11:59

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License

CC BY Attribution 4.0 International

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