A method for the visualization of secondary Dauphiné twinning in α -quartz
- 1 January 1979
- journal article
- Published by EDP Sciences in Revue de Physique Appliquée
- Vol. 14 (5), 601-605
- https://doi.org/10.1051/rphysap:01979001405060100
Abstract
It is shown that the piezooptic effect allows direct observation of Dauphiné twins in α-quartz under uniaxial stress in X direction by use of the Schlieren technique. In conjunction with measurements of the piezoelectric polarization charge as a function of applied force this method may be used to study the dynamics of twinning. A sequence of pictures is presented showing the formation and growth of a twin domainKeywords
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