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Experimental phonon frequencies of RbBr at 80, 290, and 370 K
Author(s) -
Nilsson G. G.,
Karlsson U.,
Raunio G.
Publication year - 1978
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.2220860227
Subject(s) - phonon , inelastic neutron scattering , condensed matter physics , inelastic scattering , symmetry (geometry) , physics , materials science , scattering , optics , geometry , mathematics
Abstract Phonon frequencies in RbBr are determined at the three temperatures 80, 290, and 370 K in the symmetry directions, Δ, Σ, and A using neutron inelastic scattering. The experimental frequency shifts obtained are compared to theoretical mode Grüneisen parameters calculated by Jex.