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

13 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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