Evidence for a glassy dynamics in (Rb-NH4)(2)SO4 mixed compounds

被引:8
作者
Meneses, DD [1 ]
Simon, P [1 ]
Hauret, G [1 ]
Maglione, M [1 ]
机构
[1] UNIV BOURGOGNE,PHYS LAB,F-21004 DIJON,FRANCE
来源
EUROPHYSICS LETTERS | 1996年 / 36卷 / 06期
关键词
D O I
10.1209/epl/i1996-00252-0
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An orientational glass behavior is evidenced in a [Rb-0.7(NH4)(0.3)]2SO4 mixed crystal. Dielectric experiments (1 kHz-250 MHz) performed along the c-axis evidenced a polydispersive relaxation process. Its temperature dependence follows a Vogel-Fulcher law with a freezing temperature of 12 K.
引用
收藏
页码:461 / 465
页数:5
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