OBSERVATION OF A DOUBLET IN THE QUASI-ELASTIC CENTRAL PEAK OF QUANTUM-PARAELECTRIC SRTIO3

被引：82

作者：

HEHLEN, B

PEROU, AL

COURTENS, E

VACHER, R

机构：

[1] Laboratoire de Science des Matériaux Vitreux, Case 069, Université de Montpellier II

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.75.2416

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Rayleigh-Brillouin light-scattering spectroscopy performed on oriented samples of tetragonal SrTiO3 reveals the presence of a new doublet at low temperatures. This scattering, also seen in KTaO3, appears in addition to the broad central peak already reported by Lyons and Fleury. The likely origin of this spectral component is second sound, the wavelike propagation of entropy.

引用

页码：2416 / 2419

页数：4

共 22 条

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