EVIDENCE OF A FOURTH COMPONENT IN BRILLOUIN SPECTRUM OF LIQUID GLYCERINE

被引：8

作者：

KNAAP, HFP

GORNALL, WS

STOICHEFF, BP

机构：

[1] Department of Physics, University of Toronto, Toronto, Ont.

来源：

PHYSICAL REVIEW | 1968年 / 166卷 / 01期

关键词：

D O I：

10.1103/PhysRev.166.139

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An intense background of isotropic scattering has been observed in the Brillouin spectrum of glycerine. Its breadth varies inversely as the viscosity or structural relaxation time, which changes by a factor of about 50 in the temperature range studied, 23 to 91°C. Thus the background is attributed to a known structural relaxation process in glycerine. These results suggest that the appearance of a broad background of isotropic scattering from liquids is a general phenomenon occuring whenever a structural or a thermal relaxation is present. © 1968 The American Physical Society.

引用

页码：139 / +

页数：1

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