Abstract
SrTiO3 is an insulator with a band gap of 3,27 eV which shows evidence of strong electron-phonon interaction. Its luminescence spectra exhibits a broad band in the visible, apparently intrinsic in nature (1). Its transport properties reveal the existence of deep traps for holes (2) and small polaron behaviour has been observed for electrons in the conduction band (3).
© 1984 Optical Society of America
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