硅铍钇矿和易解石的穆斯堡尔谱  

Mossbauer spectra of gadolinite and aeschynite

作　　者：金明芝[1] 刘学武[1] 刘密兰[1] 陶可佳 李哲[2] 

机构地区：[1]吉林大学,长春130023 [2]中国科学院地质研究所,北京100012

出　　处：《核技术》1992年第9期540-543,共4页Nuclear Techniques

摘　　要：测定了天然硅铍钇矿和易解石在297K和81K时的^(57)Fe穆斯堡尔谱。结果表明,硅铍钇矿的^(57)Fe穆斯堡尔谱是由一对Fe^(3+)双线和两对Fe^(2+)双线构成,其中的多重Fe^(2+)双线来源于次近邻效应。易解石的^(57)Fe穆斯堡尔谱是由一对Fe^(3+)双线和一对Fe^(2+)双线组成,这结果与测定的晶体结构相一致。Mossbauer spectra of natural gadolinite and aeschynite were measured at 297K and 81K, respectively. The Mossbauer spectrum of gadolinite consists of one Fe3+ doublet and two Fe2+doublets, and the multiple Fe2+ doublets were attributed to the next nearest neighbour effect. The Mossbauer spectrum of aeschynite is composed of one Fe3+ doublet and one Fe2+ doublet,which is in agreement with the crystal structure determination result.

关 键 词：穆斯堡尔谱 硅铍钇矿 易解石 

分 类 号：P618.7[天文地球—矿床学]