掺v硼酸盐玻璃的EPR和光谱学

International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI:10.1109/OMEE.2014.6912373

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。

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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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International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)

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