Volume dependence of the effective charge of zinc-blende-type crystals

The volume dependence of the effective charge is calculated for crystals of the zinc-blende structure. The thermal effects and the experimental uncertainties in the use of the second Szigeti equation are studied. Both effects are evaluated for the pressure dependence of the dynamical effective charg...

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Bibliographic Details
Published inThe Journal of physics and chemistry of solids Vol. 51; no. 10; pp. 1237 - 1238
Main Authors Batana, A., Bruno, J.A.O.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1990
Elsevier
Subjects
Condensed matter: structure, mechanical and thermal properties
Effective charge
Exact sciences and technology
high pressure
low temperatures
Physics
Thermal properties of condensed matter
Thermal properties of crystalline solids
zinc-blende
zinc-blende
low temperatures
Effective charge
high pressure
Thermal properties
Theoretical study
Grueneisen constant
Inorganic compound
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Summary:The volume dependence of the effective charge is calculated for crystals of the zinc-blende structure. The thermal effects and the experimental uncertainties in the use of the second Szigeti equation are studied. Both effects are evaluated for the pressure dependence of the dynamical effective charge. The volume dependence of the generalized first Szigeti equation is used to calculate the Grüneisen parameter γ t with low temperature data.
ISSN:0022-3697
1879-2553
DOI:10.1016/0022-3697(90)90107-Q