DIELECTRIC PERMITTIVITY OF CD2NB2O7 SINGLE-CRYSTALS UNDER HYDROSTATIC-PRESSURE

被引：7
|
作者：
KOLPAKOVA, NN
BOBROWICZ, L
PAWLOWSKI, A
NAWROCIK, W
机构：
[1] ADAM MICKIEWICZ UNIV,INST PHYS,PL-61712 POZNAN,POLAND
[2] POLISH ACAD SCI,INST MOLEC PHYS,PL-60479 POZNAN,POLAND
来源：
SOLID STATE COMMUNICATIONS | 1990年 / 75卷 / 05期
关键词：
Dielectric Permittivity - Pressure Memory Effect - Single Crystals;
D O I：
10.1016/0038-1098(90)90601-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Dielectric permittivity of Cd2Nb2O7 single crystals under hydrostatic pressure (p ≤ 500 MPa) was studied in the temperature range 290-360 K. The pressure is found to decrease the ε value and to shift the high temperature phase transition (Ttr ∼ 312 K) towards lower temperatures. The pressure induced shift in Ttr is found to be considerably great and the high temperature phase is characterized by slow relaxation processes resulting in a "pressure memory effect". © 1990.
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页码：461 / 463
页数：3
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