Controllable electrical conduction at complex oxide interfaces

Vu Thanh Tra, Jan Chi Yang, Ying Hui Hsieh, Jiunn-Yuan Lin, Yi Chun Chen, Ying-hao Chu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Oxide interfaces have sparked considerable interest due to their fascinating physical properties and promising possibilities for next-generation nanoelectronics. Three intriguing oxide interfaces, hetero-, homo-, and tubular interfaces, will be discussed in detail in this review. First, the development and fundamental properties of classical heterointerfaces will be elaborated. Using LaAlO 3 /SrTiO 3 as a case study, we present the most generic approach to control the two-dimensional electron conduction at the heterointerface. Secondly, several key issues based on interesting observations on ferroic homointerfaces will be addressed. Multiple controls of fascinating functionalities based on multiferroic BiFeO 3 domain walls will be presented as a model system. Finally, as the most challenging task, we review a new type of complex oxide interfaces, the tubular interface. Further insights of recently emerged tubular interfaces in BiFeO 3 /CoFe 2 O 4 system will be explored, which serve as one of the focal roles in developing new functional interfaces and potentially new type of nanostructures.

Original languageEnglish
Pages (from-to)478-500
Number of pages23
JournalPhysica Status Solidi - Rapid Research Letters
Volume8
Issue number6
DOIs
StatePublished - Jun 2014

Keywords

  • Complex oxide interfaces
  • Electron conduction
  • Heterointerfaces
  • Homointerfaces
  • Tubular interfaces
  • LaAlO3/SrTiO3
  • BiFeO3/CoFe2O4

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