Abstract - We have calculated the equation of state at O K for the various alkali metals starting from a theoretical description of the volume dependence of their dynamical matrix. We also obtain a detailed knowledge of the individual Grueneisen parameters which also allow us to calculate temperature effects like the thermal pressure and the thermal expansion coefficient. The agreement with the experimental data is satisfactory and it can be considered as a test of validity of the quasi-harmonic approximation.
Thermodynamic Properties of Alkali Metals / Bertoni, Carlo Maria; V., Bortolani; G., Giunchi. - In: JOURNAL OF PHYSICS F. METAL PHYSICS. - ISSN 0305-4608. - STAMPA. - 2:(1972), pp. 833-841.
Thermodynamic Properties of Alkali Metals
BERTONI, Carlo Maria;
1972
Abstract
Abstract - We have calculated the equation of state at O K for the various alkali metals starting from a theoretical description of the volume dependence of their dynamical matrix. We also obtain a detailed knowledge of the individual Grueneisen parameters which also allow us to calculate temperature effects like the thermal pressure and the thermal expansion coefficient. The agreement with the experimental data is satisfactory and it can be considered as a test of validity of the quasi-harmonic approximation.
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