Observation of ring shaped domain patterns using a scanning nonlinear dielectric microscopy

Mirai Katoh, Takeshi Morita, Yasuo Cho

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Unexpected ring shaped domain patterns were occasionally observed when ferroelectric nano-domain dots are formed by a voltage pulse application to the ferroelectric thin film using an electro conductive tip. In this study, we observed a real-time polarization reversal to understand such a variety of nano-domain formation processes. As a result, the ring shaped domain patterns were found to be related to the anti-parallel polarization reversal. Furthermore, by comparing the results of the congruent lithium tantalate to that of stoichiometric lithium tantalate, the mechanism of anti-parallel polarization reversal was suggested to link to the lattice vacancy of a specimen.

本文言語English
ページ(範囲)207-219
ページ数13
ジャーナルIntegrated Ferroelectrics
68
DOI
出版ステータスPublished - 2004 12 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 制御およびシステム工学
  • セラミックおよび複合材料
  • 凝縮系物理学
  • 電子工学および電気工学
  • 材料化学

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