Nonlinear calculations of the stopping power for slow hydrogen and helium projectiles in solids
- Departamento de Fisica de Materiales, Facultad de Ciencias Quimicas, Universidad del Pais Vasco/Euskal Herriko Unibertsitatea, Apartado 1072, San Sebastian 20080 (Spain)
- Department of Theoretical Physics, Institute of Physics, Technical University of Budapest, H-1521 Budapest (Hungary)
The stopping powers for slow H and He projectiles in different solids are calculated using density-functional theory with local density approximation for exchange correlations in the scattering potential and the concept of local plasma density approximation for excitation channels. The calculated results for the stopping power ratio R=(1/4)[({minus}dE/dx){sub He}/({minus}dE/dx){sub H}] in some solids are in agreement with recent experimental predictions. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 553071
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 6 Vol. 56; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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