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首页> 外文期刊>Physica, B. Condensed Matter >EPR and optical absorption spectral studies of Cr3+ ions doped in nickel maleate tetrahydrate single crystals
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EPR and optical absorption spectral studies of Cr3+ ions doped in nickel maleate tetrahydrate single crystals

机译:马来酸四水合镍单晶中Cr3 +离子的EPR和光吸收光谱研究

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Electron paramagnetic resonance (EPR) studies have been carried out on Cr3+ ions doped in nickel maleate tetrahydrate single crystals at room temperature. From the observed EPR spectra, the spin-Hamiltonian parameters g, D and E have been evaluated. The optical absorption spectrum has been studied for chromium maleate tetrahydrate single crystal. The optical absorption spectrum exhibits two broad bands characteristic of Cr3+ ions in an octahedral symmetry. From the observed band positions, the crystal field splitting parameter D-q and the Racah interelectronic repulsion parameter B have been evaluated. (C) 2003 Elsevier B.V. All rights reserved.
机译:在室温下,对掺杂在马来酸镍四水合物单晶体中的Cr3 +离子进行了电子顺磁共振(EPR)研究。从观察到的EPR光谱中,已经评估了自旋哈密顿参数g,D和E。已经研究了马来酸铬四水合物单晶的光吸收光谱。光学吸收光谱以八面体对称性显示Cr3 +离子的两个宽带特征。从观察到的能带位置,已经评估了晶体场分裂参数D-q和拉卡电子互斥参数B。 (C)2003 Elsevier B.V.保留所有权利。

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