Positron annihilation in silicon crystals with mechanically processed surfaces

Autor: S. A. Vorobiev, K. P. Arefiev, A. S. Karetnikov
Rok vydání: 1975
Předmět:
Zdroj: Applied Physics. 8:273-276
ISSN: 1432-0630
0340-3793
DOI: 10.1007/bf00896622
Popis: The angular correlation curves of the annihilation photons and the probability of three-quantum annihilation in silicon single crystals with mechanically processed surfaces were measured. The narrowing of the angular correlation curves increases and the three-quantum yield decreases with the depth of the surface abrasion. This is tentatively interpreted in terms of formation of positronium states on the surface of the silicon crystals.
Databáze: OpenAIRE