Electrical conduction in nanodomains in congruent lithium tantalate single crystal

Yasuo Cho

研究成果: Article査読

9 被引用数 (Scopus)

抄録

The electrical current flow behavior was investigated for nanodomains formed in a thin congruent lithium tantalate (LiTaO3) single-crystal plate. When the nanodomains were relatively large, with diameters of about 100 nm, current flow was detected along the domain wall. However, when they were about 40 nm or smaller, the current flowed through the entire nanodomain. Schottky-like rectifying behavior was observed. Unlike the case of LiNbO3, optical illumination was not required for current conduction in LiTaO3. A clear temperature dependence of the current was found indicating that the conduction mechanism for nanodomains in LiTaO3 may involve thermally activated carrier hopping.

本文言語English
論文番号042905
ジャーナルApplied Physics Letters
104
4
DOI
出版ステータスPublished - 2014 1 29

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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