Spectroscopic investigations on glasses, glass-ceramics and ceramics developed for nuclear waste immobilization

被引：14

作者：

Caurant, D. ^{[1
]}

机构：

[1] Ecole Natl Super Chim Paris Chim ParisTech, UMR CNRS 7574, LCMCP, F-75005 Paris, France

来源：

OPTICS AND SPECTROSCOPY | 2014年 / 116卷 / 05期

关键词：

HOLLANDITE CERAMICS; CRYSTALLIZATION; ENVIRONMENT;

D O I：

10.1134/S0030400X14050063

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Highly radioactive nuclear waste must be immobilized in very durable matrices such as glasses, glass-ceramics and ceramics in order to avoid their dispersion in the biosphere during their radioactivity decay. In this paper, we present various examples of spectroscopic investigations (optical absorption, Raman, NMR, EPR) performed to study the local structure of different kinds of such matrices used or envisaged to immobilize different kinds of radioactive wastes. A particular attention has been paid on the incorporation and the structural role of rare earths-both as fission products and actinide surrogates-in silicate glasses and glass-ceramics. An example of structural study by EPR of a ceramic (hollandite) irradiated by electrons (to simulate the effect of the beta-irradiation of radioactive cesium) is also presented.

引用

页码：667 / 676

页数：10

共 21 条

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