Temperature dependence of the spin-orbit coupling and energy gap in cuprous bromideReportar como inadecuado




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Abstract : The reflection spectrum of CuBr has been measured on cleaved crystals, in a wide spectral range at various temperatures between 6 and 300 K. The spin-orbit splitting SO, the half-width of the Z12 exciton line and the fundamental energy gap Eg are studied as a function of temperature. The SO separation is found to be independent of the temperature; the half-width of Z12 increases linearly with T2 whereas Eg has a positive temperature coefficient.

Keywords : copper compounds energy gap excitons reflectivity spin orbit interactions visible and ultraviolet spectra of inorganic solids spin orbit coupling reflection spectrum CuBr cleaved crystals exciton line fundamental energy gap temperature coefficient 6 to 300K





Autor: S. Lewonczuk J.G. Gross J. Ringeissen

Fuente: https://hal.archives-ouvertes.fr/



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