NONLINEAR CONDUCTION IN TEXTURED AND NON TEXTURED LITHIUM-NIOBATE THIN-FILMS

被引：6
|
作者：
JOSHI, V
ROY, D
MECARTNEY, ML
机构：
[1] Materials Science & Engineering, University of California, Irvine
来源：
INTEGRATED FERROELECTRICS | 1995年 / 6卷 / 1-4期
关键词：
D O I：
10.1080/10584589508019375
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
DC conduction mechanisms in lithium niobate thin films as a function of microstructure have been investigated. Sol-gel synthesis of LiNbO3 films on Si and Pt-coated Si substrates produced two different microstructures which caused significant differences in the electrical response of these films to de fields. At high fields, space charge limited conduction dominated in near epitaxial, highly textured LiNbO3 films on Pt-coated Si substrates. Current-voltage (I-V) characteristics of polycrystalline LiNbO3 films on Si substrates were complex, and there is a strong possibility of Poole-Frenkel emission from shallow traps in these non textured films.
引用
收藏
页码：321 / 327
页数：7
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