Intrinsic emission of complex oxides with perovskite structure was analyzed in the undoped single crystal (SC) and single crystalline films (SCF) of YAlO3 (YAP) using the time‐resolved luminescence spectroscopy under excitation by synchrotron radiation. In contrast to bulk SC the YAP SCF are characterized by much lower concentration of YAl antisite and vacancy‐type defects, which contribute to the intrinsic emission of YAP SC. Such a difference comes mainly from much lower temperature of the film growth using the Liquid Phase Epitaxy. For this reason, comparison of YAP SC and SCF appears very useful to study the nature of the intrinsic emission of perovskites consisting mainly of the exciton and defect‐related luminescence. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Zorenko et al. (2007) studied this question.
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