Elastic‐Stiffness Constants under Pressure of CsK, CsRb, and RbK Solid Solutions | Zendy

Soma T. | Zendy; Kimura Y. | Zendy; Kagaya H.Matsuo | Zendy

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Elastic‐Stiffness Constants under Pressure of CsK, CsRb, and RbK Solid Solutions

Author(s) -

Soma T.,

Kimura Y.,

Kagaya H.Matsuo

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.2221110232

Subject(s) - thermodynamics , alloy , solid solution , chemistry , materials science , analytical chemistry (journal) , crystallography , physics , metallurgy , chromatography

The shear elastic constants C 44 and C ′ = ( C 11 ‐ C 12 )/2 under pressure of the Cs 1‐ x K x , Cs 1‐ x Rb x , and Rb 1‐ x K x systems are investigated theoretically using the pseudo‐alloy atom model and the local Heine‐Abarenkov model potential. The pressure‐derivatives d B /d P , d C 44 /d P , and d C ′/d P have a maximum as function of the atomic fraction x , and decrease under compression from the data at low pressures, especially for shear coefficients.

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