Control of the Metal-Insulator Transition at Complex Oxide Heterointerfaces through Visible Light

Jheng Cyuan Lin, Vu Thanh Tra, Dung Sheng Tsai, Tai Te Lin, Po Cheng Huang, Wei Lun Hsu, Hui Jun Wu, Rong Huang, Nguyen Van Chien, Ryuji Yoshida, Jiunn-Yuan Lin, Yuichi Ikuhara, Ya Ping Chiu, Shangjr Gwo, Din Ping Tsai, Jr Hau He, Ying-hao Chu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The coupling of the localized surface plasmon resonance of Au nanoparticles is utilized to deliver a visible-light stimulus to control conduction at the LaAlO3/SrTiO3 interface. A giant photoresponse and the controllable metal-insulator transition are characterized at this heterointerface. This study paves a new route to optical control of the functionality at the heterointerfaces.

Original languageEnglish
Pages (from-to)764-770
Number of pages7
JournalAdvanced Materials
Volume28
Issue number4
DOIs
StatePublished - 27 Jan 2016

Keywords

  • Au nanoparticles
  • band structures
  • heterointerfaces
  • metal-insulator transition
  • surface plasmon resonance

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