Magnetocaloric effect and Grüneisen parameter of quantum magnets with a spin gap
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DOI: 10.1103/physrevb.98.144416
Abstract: We obtained, within a path-integral formalism (mean-field variational Gaussian approximation), analytical expressions for thermodynamic quantities such as magnetization, heat capacity, and the magnetic Gruneisen parameter ΓH of the system of triplons in spin gapped quantum… read more here.
Keywords: parameter quantum; neisen parameter; magnetocaloric effect; effect neisen ... See more keywords
Investigation of lattice anharmonicity in thermoelectric LaOBiS2–x Se x through Grüneisen parameter
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DOI: 10.35848/1882-0786/ac06b0
Abstract: The Se substitution effect on Grüneisen parameter (γ G) of thermoelectric layered compound LaOBiS2–x Se x , whose highest dimensionless figure-of-merit is 0.36 at 650 K, was investigated. From the estimated volume thermal expansion coefficient,… read more here.
Keywords: lattice anharmonicity; neisen parameter; investigation lattice; anharmonicity thermoelectric ... See more keywords
Corrigendum: “Investigation of lattice anharmonicity in thermoelectric LaOBiS2–xSex through Grüneisen parameter” [Appl. Phys. Express 14, 071002 (2021)]
Sign Up to like & getrecommendations! Published in 2022 at "Applied Physics Express"
DOI: 10.35848/1882-0786/ac552e
Abstract: We have found a calculation mistake for the Grüneisen parameter (γG), which was caused by the mistake in calculating the lattice vibration heat capacity value at 300 K (CV) by the Dulong–Petit law; the number… read more here.
Keywords: data following; neisen parameter; lattice; calculation ... See more keywords