Cathodoluminescence study of plastically deformed bulk ZnO single crystal
β Scribed by Z. Takkouk; N. Brihi; K. Guergouri; Y. Marfaing
- Book ID
- 108238869
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 405 KB
- Volume
- 366
- Category
- Article
- ISSN
- 0921-4526
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## Abstract The stressβstrain curves and the defect structure of corundum single crystals (sapphire and ruby) were studied. The influence of impurity (Cr) presence, crystallographic orientation, temperature, and deformation rate was investigated. Chromium makes corundum harder and causes a yield po
Single crystal ice we8 deformed in tension at oonstant strain rates 8t temperetures between -42Β°C end 0Β°C. For shear stresses below 100 pei and nominal atreins less than 25 per aent (startin with BB- grown cry&&), besel slip w8a the prim8ry meohenism of deform8tion. No preferred cry& & ogrephic slip