Specific heat of Sb: Isotopic and spin-orbit effects from measurements and ab initio calculations

Serrano, Jorge;Kremer, René;Cardona, M.;Siegle, G.;Romero, A. H.;et.al.
(2008) Physical review. B, Condensed matter and materials physics — Vol. 77, n° 5 (2008)

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  • Serrano, JorgeUCLouvain
    Author
  • Kremer, RenéUCLouvain
    Author
  • Cardona, M.
    Author
  • Siegle, G.
    Author
  • Diaz-Sanchez, L. E.UCLouvain
    Author
  • Romero, A. H.
    Author
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Abstract
We report measurements of the specific heat C of antimony crystals in the 2-50 K temperature range for several isotopic compositions and ab initio calculations of the specific heat as a function of temperature. The contribution of spin-orbit interaction and the dependence of C on isotopic mass are discussed and compared with previous observations reported for semiconductors and group VA semimetals. We also discuss the effect of spin-orbit interaction on the trigonal lattice parameter and the cohesive energy.
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Serrano, J., Kremer, R., Cardona, M., Siegle, G., Diaz-Sanchez, L. E., & Romero, A. H. (2008). Specific heat of Sb: Isotopic and spin-orbit effects from measurements and ab initio calculations. Physical review. B, Condensed matter and materials physics, 77(5). https://doi.org/10.1103/PhysRevB.77.054303 (Original work published 2008)