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Application of holographic interferometry to the study of properties of Bi2Se3 crystals

✍ Scribed by Dr. M. Kaplanová; J. Synek; J. Horák

Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
388 KB
Volume
17
Category
Article
ISSN
0232-1300

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✦ Synopsis

Abstract

A holographic interferometry method for visualisation of structure non‐homogeneities in large Bi~2~Se~3~ monocrystals with Cd and In admixtures is presented. The natural cleavage (0001) faces of Bi~2~Se~3~ monocrystals were used for preparation of samples for surface quality investigation. The interference patterns obtained with double‐exposure method show the deformation field distribution caused by a suitable formed temperature gradient. The interferogram obtained by the described method make it possible to select a perfectly homogenous part of prepared monocrystalline sample which is inevitable for measurements of optical and electric conductivity properties.

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