THERMALLY STIMULATED DEPOLARIZATION CURRENT AND MOSSBAUER-SPECTROSCOPY OF IRON-DOPED NIOBOPHOSPHATE GLASSES

被引:8
作者
DEOLIVEIRA, CJ
DEPAIVA, JAC
BARBOSA, PC
MENDES, J
DEOLIVEIRA, JCP
SOMBRA, ASB
ARANHA, N
BARBOSA, LC
ALVES, OL
机构
[1] UFC,DEPT FIS,BR-60450 FORTALEZA,CEARA,BRAZIL
[2] UNICAMP,INST FIS,BR-13081 CAMPINAS,SP,BRAZIL
[3] UNICAMP,INST QUIM,13081 CAMPINAS,SP,BRAZIL
关键词
D O I
10.1007/BF01154936
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Niobophosphate glasses (P2O5-PbO-Nb2O5-K2O XFe2O3), were studied using thermally stimulated depolarization currents and Mossbauer spectroscopy in samples of different iron concentrations, and were subjected to oxidation and reduction processes. The use of both techniques provided new information about the distribution of iron and niobium between tetrahedral and octahedral sites.
引用
收藏
页码:4305 / 4310
页数:6
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