Spectral Investigations on Cu2+-Doped ZnO Nanopowders

U. S. Udayachandran Thampy; Ch. Rama Krishna; Ch. Venkata Reddy; B. Babu; Y. P. Reddy; P. S. Rao; R. V. S. S. N. Ravikumar

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Spectral Investigations on Cu2+-Doped ZnO Nanopowders

机译：Cu 2 + 掺杂的ZnO纳米粉的光谱研究

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Cu2+-doped ZnO nanopowders, synthesized at room temperature by mild and simple solution method, are characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), optical, electron paramagnetic resonance (EPR) and Fourier-transform infrared (FT-IR) techniques. From XRD and SEM, the crystal structure is identified as hexagonal, and the average crystallite size is around 53 nm. Lattice cell parameters are evaluated. The optical and EPR spectral investigations suggest that the Cu2+ ion enters the host lattice in two tetragonally distorted octahedral sites. Crystal field, tetragonal field, spin Hamiltonian and bonding parameters are estimated.

机译：通过粉末X射线衍射（XRD），扫描电子显微镜（SEM），光学，电子顺磁共振表征了Cu 2 + 掺杂的ZnO纳米粉，在室温下通过温和简单的溶液法合成。（EPR）和傅立叶变换红外（FT-IR）技术。根据XRD和SEM，晶体结构被鉴定为六边形，平均微晶尺寸约为53nm。评估晶格参数。光学和EPR光谱研究表明Cu 2 + 离子在两个四边形扭曲的八面体位点进入主体晶格。估计晶体场，四方场，自旋哈密顿量和键合参数。

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《Applied Magnetic Resonance》 |2011年第1期|p.69-78|共10页
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U. S. Udayachandran Thampy; Ch. Rama Krishna; Ch. Venkata Reddy; B. Babu; Y. P. Reddy; P. S. Rao; R. V. S. S. N. Ravikumar;
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Spectral Investigations on Cu2+-Doped ZnO Nanopowders

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