Coherent X-ray study of fluctuations during domain coarsening

被引：98

作者：

Malik, A

Sandy, AR

Lurio, LB

Stephenson, GB

Mochrie, SGJ

McNulty, I

Sutton, M

机构：

[1] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

[2] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

[3] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[4] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.81.5832

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report observations of the dynamics of the exact structure factor (speckle pattern) during phase separation in a sodium borosilicate glass, measured using intensity fluctuation spectroscopy with a coherent x-ray beam. Nonequilibrium fluctuations in the structure factor are analyzed using a two-time correlation function to extract the time-dependent and wave-number-dependent correlation time. The behavior of the correlation time is in agreement with a scaling law previously found in simulations.

引用

页码：5832 / 5835

页数：4

共 18 条

[1] Small-angle X-ray scattering using coherent undulator radiation at the ESRF [J].