Central cell effects on acceptor spectra in Si and Ge
β Scribed by N.O. Lipari; A. Baldereschi; M.L.W. Thewalt
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 256 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Raman scattering of metastable phases of Si and Ge was performed in the pressure range 0 to 10 GPa. The results for Si are discussed in terms of the previously proposed BC8 and R8 structures. The first Raman spectrum of ST12-Ge is also reported. We suggest that photochemicallyinduced changes in ST12
The cubic-diamond 6 b-tin phase transition in Si and Ge is studied using modern first-principles techniques based on density-functional theory (DFT) without making use of any experimental inputs. The relevant Gibbs energies, GpY T U Γ TS pV, are obtained in the quasi-harmonic approximation from stat