Electrostatic potential measurement at the Pt/TiO2interface using electron holography

Hiroshi Nakajima, Toshiaki Tanigaki, Takaaki Toriyama, Mahito Yamamoto, Hidekazu Tanaka, Yasukazu Murakami

研究成果: Contribution to journalArticle査読

抄録

The interface of Pt/TiO2 plays an essential role in device engineering and chemical reactions. Here, we report the electrostatic potential distribution of a Pt/TiO2 interface by electron holography. The decrease in the electrostatic potential exists at TiO2 in the vicinity of the interface, indicating the presence of negative charge due to electron transfer from TiO2 and Pt. The decrease in the electrostatic potential can be understood in the difference in work functions between Pt and TiO2. This study reveals the interplay between Pt and TiO2 and the usefulness of electron holography for probing the potential in nanoscale interfaces.

本文言語英語
論文番号174304
ジャーナルJournal of Applied Physics
129
17
DOI
出版ステータス出版済み - 5 7 2021

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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