Influence of Structural Disorder on the Photoluminescence Emission of PZT Powders

E. Longo; A. T. de Figueiredo; M. S. Silva

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Influence of Structural Disorder on the Photoluminescence Emission of PZT Powders

机译：结构紊乱对PZT粉末光致发光的影响

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Intense and broad visible photoluminescent (PL) band was observed at room temperature in disordered Pb(Zr_(0,53)Ti_(0,47))O3 powders. Structural order-disorder was evaluated by different methods. XANES results pointed to the presence of different coordination modes of disordered Ti powders, and in the ordered sample the local structure around titanium atoms is characteristic of the structurally ordered PZT with only TiO6 units. Only samples containing simultaneous structural order and disorder in their network present the intense visible PL emission at room temperature.

机译：在室温下，无序的Pb（Zr_（0,53）Ti_（0,47））O3粉体中观察到了强烈的宽可见光致发光（PL）谱带。通过不同的方法评估结构的无序。 XANES结果表明，无序Ti粉具有不同的配位模式，在有序样品中，钛原子周围的局部结构是只有TiO6单元的有序PZT的特征。只有在网络中包含同时结构顺序和无序的样品才会在室温下呈现强烈的可见PL发射。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2008年第38期|共5页
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E. Longo; A. T. de Figueiredo; M. S. Silva;
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1. Influence of Structural Disorder on the Photoluminescence Emission of PZT Powders [J] . E. Longo, A. T. de Figueiredo, M. S. Silva The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2008,第38期

机译：结构紊乱对PZT粉末光致发光的影响
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Influence of Structural Disorder on the Photoluminescence Emission of PZT Powders

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