Substitution of Fe(III) for Ga(III) in calcium gallate glass confirmed from the Debye temperature

被引：2
|
作者：
Nishida, T [1 ]
Kubuki, S
Katada, M
机构：
[1] Kyushu Univ, Fac Sci, Dept Chem, Higashi Ku, Fukuoka, Japan
[2] Tokyo Metropolitan Univ, RI Res Ctr, Hachioji, Tokyo 19203, Japan
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 1998年 / 237卷 / 1-2期
关键词：
D O I：
10.1007/BF02386660
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A Debye temperature (theta(D)) of 378 (+/-5 K) has been obtained by applying a simplified Debye model to the Fe-57 Mossbauer spectra of 60CaO . 39Ga(2)O(3).(Fe2O3)-Fe-57 glass. The theta(D) value is comparable to those (280-580 K) obtained so far in several oxide glasses, glass-ceramics, and ceramics in which Mossbauer atoms are covalently bonded to oxygen atoms and play a role of network former. It proves that Fe(III) atoms occupy the substitutional sites of Ga(III) constituting distorted GaO4 tetrahedra.
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页码：47 / 50
页数：4
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