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Deformation Mechanisms in Refractory Rare-Earth Phosphates

Published online by Cambridge University Press:  26 February 2011

Randall Hay  and
Pavel Mogilevsky
Randall Hay
Affiliation:
[email protected], Air Force Research Laboratory, AFRL/MLLN, Bldg. 655 Area B, WPAFB, OH, 45433, United States
Pavel Mogilevsky
Affiliation:
UES Inc. Beavercreek, OHU.S.A.
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Abstract

A method for prediction of deformation twin modes from analysis of the necessary atomic shuffles was developed for monazite (monoclinic LaPO4). This method is applied to scheelite (tetragonal CaWO4), xenotime (tetragonal YPO4), and zircon (tetragonal ZrSiO4). The predictions are compared to observations in these materials. Merit of the predictive method is discussed.

Keywords

transmission electron microscopy (TEM)oxidedefects
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 904: Symposium BB – Mechanisms of Mechanical Deformation in Brittle Materials , 2005 , 0904-BB04-25
Copyright
Copyright © Materials Research Society 2006

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