Study of oxygen content and dielectric function of YBCO7-δ by EELS

被引：0

作者：

Schamm, S ^{[1
]}

Grigis, C ^{[1
]}

Lessik, D ^{[1
]}

Zanchi, G ^{[1
]}

Sevely, J ^{[1
]}

机构：

[1] CNRS, CEMES, F-31055 Toulouse, France

来源：

ELECTRON MICROSCOPY AND ANALYSIS 1997 | 1997年 / 153期

关键词：

D O I：

暂无

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We have measured by electron energy loss spectroscopy the energy and momentum dependence of electronic excitations for the compound YBCO7-delta as a function of delta. For the determination of the important parameter delta, we use an approach based on the study of plasmons in addition to the modelling of the O-K edge already proposed. The methods give equivalent results but the collection of the low loss signal is however easier.

引用

页码：335 / 338

页数：4

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