Study of the Homology between Silicon and Germanium by Thermal-Neutron Spectrometry
作者： G. Nilsson , G. Nelin
关键词: Dimensionless quantity 、 Homology (chemistry) 、 Silicon 、 Neutron temperature 、 Materials science 、 Phonon 、 Dispersion relation 、 Germanium 、 Crystal structure 、 Molecular physics
摘要: The phonon dispersion relations in silicon and germanium are found to be nearly homologous with small but significant deviations. These results, which have been obtained by thermal-neutron spectrometry, strongly supported an analysis comparison is made elastic constants, heat capacities, Raman frequencies for these elements. Previously observed discrepancies between results from shell-model calculations heat-capacity measurements explained. Attempts elucidate the origin of differences dimensionless group-IV $B$ elements diamond-type crystal structure.
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