Abstract
Abstract
In this paper, we theoretically discuss the effect of thermal expansion on the entropy change and the barocaloric properties of non-magnetic materials. For this purpose, we use a microscopic model Hamiltonian that takes into account the lattice vibrations beyond the harmonic approximation. The model was applied to calculate the entropy change and the barocaloric quantities ΔS
iso
and ΔT
ad
in the compounds K
2
TaF
7 and AgI.
Funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Subject
Condensed Matter Physics,Mathematical Physics,Atomic and Molecular Physics, and Optics
Cited by
1 articles.
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