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Temperature Dependence of the Acoustic Deformation Potentials in CuInSe 2 and CuInTe 2
Author(s) -
Rincón C.,
Fernández B.
Publication year - 1992
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221700218
Subject(s) - chalcopyrite , conduction band , valence (chemistry) , materials science , deformation (meteorology) , band gap , valence band , thermal conduction , condensed matter physics , analytical chemistry (journal) , chemistry , thermodynamics , mineralogy , optoelectronics , composite material , physics , metallurgy , copper , organic chemistry , quantum mechanics , electron , chromatography
From the analysis of the variation of the energy gap with temperature and pressure in the chalcopyrite semiconducting compounds CuInSe 2 and CuInTe 2 , the valence and conduction band acoustic deformation potentials are calculated as a function of temperature between 50 and 300 K. It is found that these parameters increase with temperature for both compounds. The results indicate, specially for CuInTe 2 , that the variation is important enough to be taken into account in the fit to the mobility data.