Optical Spectroscopy of Cr(3+) and Rh(2+) in Sodium-Beta'-Alumina

机译：β-β氧化铝中Cr（3+）和Rh（2+）的光谱研究

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Ion exchange techniques were used to substitute Cr3+ and Rh2+ ions for the sodium ions present in sodium-beta -alumina single crystals. The optical absorption and fluorescence spectra were obtained and the fluorescence lifetimes measured for both types of samples. In each case the emission consisted of two bands having significantly different decay times. The temperature dependences of the fluorescence intensities and lifetimes were measured for these bands. The results are interpreted in terms of the energy level structures of these ions in different crystal field sites in this host lattice and the diffusion of ions in the conduction plane which changes these sites.

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Powell, R. C.; Venikouas, G. E.; Xi, L.; Bates, J. B.;
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年度 1987
页码 p.1-9
总页数 9
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Chromium; Rhodium; Optical properties; Spectroscopy; Aluminum compounds; Sodium; Reprints;

机译：铬;铑;光学性质;光谱学;铝化合物;钠;重印;

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Optical Spectroscopy of Cr(3+) and Rh(2+) in Sodium-Beta'-Alumina

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