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Compression Effect on the Lattice Dynamics of Alkali Metals
Author(s) -
Soma T.,
Kimura Y.,
Kagaya H.M.
Publication year - 1982
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.2221120116
Subject(s) - alkali metal , bulk modulus , phonon , shear modulus , materials science , lattice (music) , perturbation (astronomy) , condensed matter physics , lattice constant , shear (geology) , physics , composite material , diffraction , optics , quantum mechanics , acoustics
The lattice dynamics of alkali metals under pressure is investigated using the second‐order perturbation and the local Heine‐Abarenkov model potential. Then, using the long‐wave phonon‐velocity method, the bulk modulus, and the shear elastic constants under compression are studied theoretically.