Luminescence properties and electronic structure of Sm3+-doped YAl3B4O12
Source abstract
Abstract
The luminescence properties of Sm3+ ions in YAl3B4O12 were studied upon synchrotron excitation in the 3.8–11 eV region. In addition to the 4f → 4f excitation bands, the excitation spectra of the Sm3+ emission contain broad bands at 6.1 and ~7.0 eV. These bands are attributed to charge transfer transition in Sm3+–O2− complexes and 4f → 5d transition of Sm3+ ions, respectively. The optical absorption edge of YAl3B4O12 was determined at 7.3 eV. A comparison with the results of electronic structure calculations on YAl3B4O12 is also made.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Crystal Structures and Properties · Glass properties and applications
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