A rule for the thermally-induced bond expansion
首发时间:2007-05-11
Abstract:It has long been puzzling regarding the mechanism behind the nonlinearity of lattice thermal expansion with respect to temperatures despite various modeling considerations. An analytical solution is presented as a general rule herewith showing that the thermal expansion coefficient follows closely the specific heat of Debye approximation. Matching predictions to experimental observations evidences that the current premise may represent the true situation though the exact phonon density of states need to be considered for further refinement to fit individual situations.
keywords: bond, thermal properties
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A rule for the thermally-induced bond expansion
摘要:It has long been puzzling regarding the mechanism behind the nonlinearity of lattice thermal expansion with respect to temperatures despite various modeling considerations. An analytical solution is presented as a general rule herewith showing that the thermal expansion coefficient follows closely the specific heat of Debye approximation. Matching predictions to experimental observations evidences that the current premise may represent the true situation though the exact phonon density of states need to be considered for further refinement to fit individual situations.
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No.1276621376117887****
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A rule for the thermally-induced bond expansion
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