Ionic conductivity and dielectric relaxation in γ-irradiated TlGaTe2 crystals

被引：6
|
作者：
Sardarli, R. M. [1 ]
Samedov, O. A. [1 ]
Abdullayev, A. P. [1 ]
Huseynov, E. K. [2 ]
Salmanov, F. T. [1 ]
Alieva, N. A. [1 ]
Agaeva, R. Sh [1 ]
机构：
[1] Natl Acad Sci Azerbaijan, Inst Radiat Problems, AZ-1143 Baku, Azerbaijan
[2] Natl Acad Sci Azerbaijan, Inst Phys, AZ-1143 Baku, Azerbaijan
来源：
SEMICONDUCTORS | 2013年 / 47卷 / 05期
关键词：
SUPERIONIC CONDUCTIVITY;
D O I：
10.1134/S1063782613050199
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The switching effect, field and temperature dependences of the permittivity and conductivity of TlGaTe2 crystals subjected to various gamma-irradiation doses are studied. Under rather low electric fields, the phenomenon of threshold switching with an S-shaped current-voltage characteristic containing a portion with negative differential resistance is observed in the crystals. In the region of critical voltages, current and voltage oscillations and imposed modulation are observed. Possible mechanisms of switching, ionic conductivity, disorder, and electrical instability in TlGaTe2 crystals are discussed.
引用
收藏
页码：707 / 712
页数：6
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