Dynamic observation of ferroelectric domain switching using scanning nonlinear dielectric microscopy

Yoshiomi Hiranaga, Takanori Mimura, Takao Shimizu, Hiroshi Funakubo, Yasuo Cho

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Local response signals in scanning nonlinear dielectric microscopy during domain switching in ferroelectric materials were studied. Periodic response signals corresponding to domain switching were observed in single-crystal LiTaO3 samples under alternating bias voltage applications. This approach was subsequently applied to ferroelectric HfO2 films, showing different response signals depending on the film orientation and the conditions of film formation. These results suggest that the proposed method is useful for obtaining detailed information concerning domain switching in the nanoscale region, such as the pinning-site effect, backswitching, and 90° switching.

本文言語English
論文番号10PF16
ジャーナルJapanese journal of applied physics
56
10
DOI
出版ステータスPublished - 2017 10

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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