Dilatometric and dielectric study of phase transitions in NH2(CH3)2MnCl3•2H2O crystals

被引：0
|
作者：
Kapustianik, VB [1 ]
机构：
[1] Lviv Franko Univ, Lab Ferro Phys, Dept Phys, UA-290005 Lviv, Ukraine
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1998年 / 168卷 / 01期
关键词：
D O I：
10.1002/(SICI)1521-396X(199807)168:1<109::AID-PSSA109>3.0.CO;2-T
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
On the basis of dielectric and dilatometric investigations of NH2(CH3)(2)MnCl3. 2 H2O crystals the existence of phase transitions at T-1 = 300 K, T-2 = 235 K and T-3 = 180 K has been confirmed. Besides, it was shown that these crystals are characterized by clear Debye-type dielectric relaxations and a strongly anisotropic protonic conductivity which depend on the humidity of the environment. The main features of these effects are explained on the basis of two possible mechanisms of proton transport.
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页码：109 / 116
页数：8
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