Modern resonant X-ray studies of alloys: Local order and displacements

被引：35
|
作者：
Ice, GE [1 ]
Sparks, CJ [1 ]
机构：
[1] Oak Ridge Natl Lab, Div Met & Ceram, Oak Ridge, TN 37831 USA
来源：
ANNUAL REVIEW OF MATERIALS SCIENCE | 1999年 / 29卷
关键词：
local correlations; X-ray diffuse scattering; atomic size; static displacements; short-range order;
D O I：
10.1146/annurev.matsci.29.1.25
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The recent availability of intense synchrotron sources with selectable X-ray energies permits high-precision measurements of chemically specific atomic-pair correlations in solid-solution alloys. Short-range chemical order can be accurately measured to identify one atom in a 100 for 10 or more shells, even in alloys with elements nearby in the periodic table, and chemically specific static displacements can be measured with 0.0001 nm resolution. This new information tests theoretical models of alloy phase stability and structure and gives new insights into the physical properties of alloys.
引用
收藏
页码：25 / 52
页数：28
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