掺v硼酸盐玻璃的EPR和光谱学

B. Padlyak, V. Protsiuk, I. Kindrat, A. Drzewiecki, V. Adamiv, Y. Burak, I. Teslyuk
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引用次数: 2

摘要

采用标准玻璃工艺制备了含有0.5和1.0 mol. % V2O5氧化物的Li2O-2B2O3 (Li2B4O7)、1/2(Li2O-K2O-4B2O3)、(LiKB4O7)、CaO-2B2O3 (CaB4O7)和1/2(Li2O-2CaO-B2O3) (LiCaBO3)的v掺杂玻璃系列。在T = 300 K时,研究了所得玻璃的电子顺磁共振(EPR)和光吸收光谱。测定了Li2B4O7:V、LiKB4O7:V、CaB4O7:V和LiCaBO3:V玻璃中EPR光谱的自旋哈密顿参数,并提出了杂质V中心的电子和局部结构。在所研究的玻璃中观察到的光学吸收带已被解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
EPR and optical spectroscopy of the V-doped borate glasses
The series of V-doped glasses with Li2O-2B2O3 (Li2B4O7), 1/2(Li2O-K2O-4B2O3), (LiKB4O7), CaO-2B2O3 (CaB4O7) and 1/2(Li2O-2CaO-B2O3) (LiCaBO3) composition containing 0.5 and 1.0 mol. % V2O5 oxide were obtained by standard glass technology. The electron paramagnetic resonance (EPR) and optical absorption spectra of the obtained glasses were investigated at T = 300 K. The spin Hamiltonian parameters for observed EPR spectra in the Li2B4O7:V, LiKB4O7:V, CaB4O7:V and LiCaBO3:V glasses were determined and electron and local structure of impurity V centres were proposed. The optical absorption bands, observed in the investigated glasses have been interpreted.
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