Proton glass behaviour in a solid solution of gamma-irradiated deuterated betaine phosphate(0.15) betaine phosphite(0.85)

被引：2

作者：

Banys, J

Klimm, C

Volkel, G

Kajokas, A

Klopperpieper, A

机构：

[1] UNIV LEIPZIG,FACHBEREICH PHYS,D-04103 LEIPZIG,GERMANY

[2] UNIV SAARLAND,FACHBEREICH PHYS,D-66123 SAARBRUCKEN,GERMANY

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1997年 / 9卷 / 01期

关键词：

D O I：

10.1088/0953-8984/9/1/002

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Measurements of the dielectric permittivity are reported for a deuterated solid solution of gamma-irradiated antiferroelectric (betaine phosphate)(0.15) ferroelectric (betaine phosphite)(0.85) at frequencies 20 Hz < nu < 1 MHz. The freezing phenomena in DPB0.15DBPI0.85 revealed the characteristics of a transition into a dipolar glass state. The activation energy was found to be E(b) = 311.6 K (0.027 eV). The Kutnjak model showed a non-typical glass behaviour with an estimated glass temperature of 55.4 K.

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页码：L7 / L12

页数：6

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