FTIR, Raman, EPR and optical absorption spectral studies on V 2O5-doped cadmium phosphate glasses

Kerkouri N.; Haddad M.; Et-Tabirou M.; Chahine A.; Laanab L.

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FTIR, Raman, EPR and optical absorption spectral studies on V 2O5-doped cadmium phosphate glasses

机译：V 2 O 5掺杂磷酸镉玻璃的FTIR，拉曼光谱，EPR和光吸收光谱研究

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Vanadium doped cadmium phosphate glasses xV2O 5(50-x)CdO50P2O5 with 0≤x≤20 mol% were prepared and FTIR, Raman, EPR and optical absorption measured. Infrared and Raman investigations show the formation of POV and VOV bonds, which replace POP ones. The simulations of EPR spectra of most glass samples 2.5≤x≤10 mol% reveal a superposition of two resonance signals. Spin Hamiltonian parameters indicate that the VO2 ions are present in octahedral sites with tetragonal compression and belong to C4v symmetry. The molecular bonding coefficient β12 and επ2 show an appreciable degree of covalency.

机译：制备了钒掺杂的磷酸镉玻璃xV2O 5（50-x）CdO50P2O5，其含量为0≤x≤20mol％，并测量了FTIR，拉曼，EPR和光吸收。红外和拉曼研究表明，POV和VOV键的形成取代了POP键。大多数2.5≤x≤10mol％的玻璃样品的EPR光谱模拟显示出两个共振信号的叠加。自旋哈密顿量参数表明，VO2离子以四边形压缩存在于八面体位置，属于C4v对称性。分子键合系数β12和επ2显示出相当大的共价度。

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《Physica, B. Condensed Matter》 |2011年第17期|共7页
作者
Kerkouri N.; Haddad M.; Et-Tabirou M.; Chahine A.; Laanab L.;
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EPR spectroscopy; FTIR spectroscopy; Optical absorption spectroscopy; Phosphate glasses; Raman spectroscopy;

机译：EPR光谱;FTIR光谱;光学吸收光谱;磷酸盐玻璃;拉曼光谱;

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FTIR, Raman, EPR and optical absorption spectral studies on V 2O5-doped cadmium phosphate glasses

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