Electrical conductivity of vanadium dioxide switching channel

被引：6
|
作者：
Pergament, A. [1 ]
Boriskov, P. [1 ]
Kuldin, N. [1 ]
Velichko, A. [1 ]
机构：
[1] Petrozavodsk State Univ, Phys & Technol Dept, Petrozavodsk 185910, Russia
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2010年 / 247卷 / 09期
关键词：
electrical switching; metal-insulator transition; polaron conductivity; vanadium dioxide; METAL-INSULATOR-TRANSITION; SINGLE-CRYSTALS; PHASE; FILMS; VO2;
D O I：
10.1002/pssb.201046024
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The electrical conductivity of the switching channel of vanadium dioxide thin-film sandwich structures is studied over a wide temperature range (15-300 K). It is shown that the electrical resistance of the channel varies with temperature as R similar to exp(aT - b/T) in the high-temperature region (above 70 K). The experimental results are discussed from the viewpoint of the small polaron hopping conduction theory which takes into account the influence of thermal lattice vibrations onto the resonance integral. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：2213 / 2217
页数：5
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