Chinese Physics B, Volume. 29, Issue 8, (2020)
Photoluminescence in wide band gap corundum Mg4Ta2O9 single crystals
As is well known, the basic intrinsic properties of materials can be significant for their practical applications. In this work, the room-temperature absorption, transmittance, reflectance spectra, and relative photoelectricities parameters of the Mg4Ta2O9 crystals are demonstrated. Meanwhile, the polarized Raman spectra of Mg4Ta2O9 crystals are also described. The room-temperature photoluminescence (PL) and the temperature-dependent PL for Mg4Ta2O9 crystals are obtained. Significantly, we observe a phonon-participated PL process in Mg4Ta2O9.
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Liang Li, Yu-Lu Zheng, Yu-Xin Hu, Fang-Fei Li, Qiang Zhou, Tian Cui. Photoluminescence in wide band gap corundum Mg4Ta2O9 single crystals[J]. Chinese Physics B, 2020, 29(8):
Paper Information
Received: Feb. 14, 2020
Accepted: --
Published Online: Apr. 29, 2021
The Author Email: Zhou Qiang (zhouqiang@jlu.edu.cn)
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