Bletskan, D. I.; Блеткан, Д. І.; Kabacij, V. N.; Кабацій, Василь Миколайович; Studenyak, I. P.; Студеняк, І. П.; Frolova, V. V.; Фролова, В. В.
(Hudson, 2007)
Edge absorption spectra of crystalline and glassy lead thiogermanate (PbGeS3) have been measured in the temperature range from 77 to 470 K. It is shown that the dependence of the absorption coefficient on the photon energy ...