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Heat capacity and thermodynamic properties of LiGaO 2 from 180 to 700 K
Author(s) -
Neumann H.,
Kühn G.,
Neels H.,
Nowak E.,
Pirl E.
Publication year - 1987
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170220322
Subject(s) - heat capacity , thermodynamics , enthalpy , anharmonicity , heat capacity ratio , atmospheric temperature range , chemistry , specific heat , entropy (arrow of time) , sigma heat , materials science , heat transfer , heat transfer coefficient , physics , condensed matter physics , critical heat flux
The heat capacity at constant pressure of LiGaO 2 is measured in the temperature range from 180 to 700 K. An analysis of the experimental data shows that the anharmonic contribution to the heat capacity can be described by a polynomial of fourth order in the temperature. The standard enthalpies and entropies relative to 298.15 K are calculated from the measured heat capacity. Estimates of the standard enthalpy and entropy at 298.15 K are given.
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