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Lattice Dynamics and Thermal Properties of SiGe Solid Solution
Author(s) -
Soma T.,
Kitani Y.,
Kagaya H.Matsuo
Publication year - 1984
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221210208
Subject(s) - solid solution , phonon , materials science , lattice (music) , thermal , condensed matter physics , germanium , chemical physics , thermodynamics , silicon , chemistry , physics , optoelectronics , metallurgy , acoustics
A simplified treatment is proposed to study quantitatively the lattice dynamics and thermal properties of SiGe solid solutions. The volume effect on the lattice dynamics of the pure constituent is considered, and the phonon dispersion relations of the local and band modes are obtained for Si 0.9 Ge 0.1 and Si 0.1 Ge 0.9 systems.