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Phonon dispersion in sodium and potassium
Author(s) -
Goel C. M.,
Pandey B. P.,
Dayal B.
Publication year - 1975
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.2220690233
Subject(s) - potassium , dispersion (optics) , sodium , phonon , dispersion relation , condensed matter physics , chemistry , materials science , physics , thermodynamics , analytical chemistry (journal) , optics , metallurgy , chromatography
The modified Sharma‐Joshi model has been employed to calculate the phonon dispersion relations in the b.c.c. metals sodium and potassium. The theoretical results thus obtained show an excellent agreement with available experimental data.