Slip and twinning during deformation of CdWO4 single crystals

•CdWO4 single crystals were grown by Czochralski technique.•In-grown structural defects were studied.•Structural elements of plastic deformation were investigated.•It was found that prevailing mechanism of deformation is twinning.•Crystallography of four types of twins and one slip system was descri...

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Bibliographic Details
Published in:Journal of crystal growth 2022-12, Vol.599, p.126890, Article 126890
Main Authors: Borisenko, E., Redkin, B., Simonov, S., Kolesnikov, N.
Format: Article
Language:English
Subjects:
A1. Crystal structure
A1. Linear defects
A2. Czochralski method
B1. Tungstates
B2. Semiconducting cadmium compounds
B3. Scintillators
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Summary:•CdWO4 single crystals were grown by Czochralski technique.•In-grown structural defects were studied.•Structural elements of plastic deformation were investigated.•It was found that prevailing mechanism of deformation is twinning.•Crystallography of four types of twins and one slip system was described. Cadmium tungstate, CdWO4, is widely used as a material for scintillating detectors in medicine, prevailingly, in computer tomography, as well as in high energy physics. Many studies consider luminescent properties of these crystals. However, there are few publications concerning structural defects, which can influence practically important properties of cadmium tungstate. In this work strain induced twinning and dislocation slip of CdWO4 single crystals are investigated.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2022.126890