Photoacoustlc spectra on Pr doped ZEO powders

Y. Inoue; M. Okamoto; T. Kawahara

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Photoacoustlc spectra on Pr doped ZEO powders

机译：Pr掺杂的ZEO粉末的光声光谱

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Photoacoustic (PA) spectroscopy is a powerful tool for examining optical properties as non-radiative recombination in powdered samples that are difficult to measure by the conventional relection or transmission spectroscopy because of the light scattering. "We applied the PA spectroscopy to evaluate the non-radiative transition of the Pr~(3+) in ZnO powders with various Pr concentrations and sintering temperatures. The PA spectra seems to depend on the inner state of the Pr~(3+) in ZnO matrix, where the Pr can easily segregate to the ZnO grain boundaries and form intergranular phase based Pr_2O_3.

机译：光声（PA）光谱是一种功能强大的工具，可用于检查粉末样品中的非辐射重组的光学性能，这些样品由于光散射而难以通过常规反射或透射光谱法进行测量。 “我们应用了PA光谱技术来评估在各种Pr浓度和烧结温度下ZnO粉末中Pr〜（3+）的非辐射跃迁。PA光谱似乎取决于Pr〜（3+）的内部状态在ZnO基体中，Pr容易偏析到ZnO晶界并形成基于晶间相的Pr_2O_3。

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《Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics》 |2006年第0期|共4页
作者
Y. Inoue; M. Okamoto; T. Kawahara;
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正文语种 eng
中图分类合金学与各种性质合金;
关键词
Semiconductors; rain boundaries; Impurities in semiconductor; Electronic states; Light absorption and reflection;

机译：半导体;雨边界;半导体中的杂质;电子态;光吸收和反射;

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Photoacoustlc spectra on Pr doped ZEO powders

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