Defect studies in alpha-irradiated and deformed niobium by positron annihilation
β Scribed by S.V. Naidu; A. Sen Gupta; P. Sen; R.K. Bhandari
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 227 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Positron lifetime spectra have been measured on plastically deformed Zn-doped p-type GaAs with strain ranging from 0 to 15% at room temperature. The lifetime spectra were analyzed using PATFIT and MELT programs. Two lifetime components were observed in deformed samples. The second lifetime t 2 $ 400
## Abstract In the advanced stage of nonβisothermal sintering, vacancy clusters are present as prevailing type of defects. Their concentration considerably decreases at further temperature increase, and it can be concluded that thermally activated conversion of multiple vacancies into climbable dis