穆斯堡尔谱镜像折叠新方法  

A new approach for folding Msbauer mirror spectra

作　　者：施海蓉[1] 林俊[1] 吴东岷[1] 肖煜明[1] 黄红波[1] 李世民[1] 夏元复[1] 

机构地区：[1]南京大学物理系,南京210093

出　　处：《核技术》2001年第1期17-20,共4页Nuclear Techniques

基　　金：国家自然科学基金! (19835 0 5 0 );国家教委博士点基金!(BK - 970 41)

摘　　要：通常 ,对穆斯堡尔镜像谱折叠是消除基线几何效应的有效方法 ,数据获取效率也有所提高。介绍了一种新的折叠方法 ,解决了折叠过程中一般以谱线中心作为折叠点 ,而没有考虑到多普勒速度落后于驱动信号 ,这种方法会带来明显的线宽加宽的问题。Usually, for Mssbauer mirror spectra folding procedure is an effective way to eliminate the geometric effect of the base line, and to raise the data acquisition efficiency. Folding is often proceeded by taking the center of mirror spectra as folding point, but a disadvantage of obvious line-broadening, resulted by the fact that the Doppler velocity lags behind the drive signal is usually overlooked. In this paper, a new approach was developed, which could avoid the above problem.

关 键 词：穆斯堡尔谱 镜像折叠 穆斯堡尔方法学 镜像谱 

分 类 号：O481.4[理学—固体物理]