RAMAN, IR REFLECTION, AND EMISSION-SPECTRA OF SODIUM BETA-ALUMINA

被引：24

作者：

FRECH, R ^{[1
]}

BATES, JB ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37830

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1979年 / 35卷 / 06期

关键词：

D O I：

10.1016/0584-8539(79)80130-0

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The Raman, i.r. reflection, and emission spectra of single crystal sodium β-alumina were measured over a wide range of temperatures. Symmetry assignments of the normal modes based on the stoichiometric crystal structure are proposed. The vibrational dynamics are analysed in terms of a model invoking a vibrationally decoupled single spinel block, and similarities in the distribution of normal mode frequencies in MgAl2O4 and Naβ-Al2O3 are discussed. Temperature dependent effects on the spectra are also presented. © 1979.

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页码：685 / 694

页数：10

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