Room-temperature ferroelectricity in hexagonal TbMnO3 thin films

Dong Jik Kim, Tula R. Paudel, Haidong Lu, John D. Burton, John G. Connell, Evgeny Y. Tsymbal, S. S.Ambrose Seo, Alexei Gruverman

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

(Graph Presented) Piezoresponse force microscopy imaging in conjunction with first-principles calculations provide strong evidence for room-temperature ferroelectricity in epitaxially stabilized hexagonal TbMnO3 thin films, which in the bulk form are with orthorhombic structure. The obtained results demonstrate that new phases and functional properties of complex oxide materials can be strain-engineered using epitaxial growth.

Original languageEnglish
Pages (from-to)7660-7665
Number of pages6
JournalAdvanced Materials
Volume26
Issue number45
DOIs
StatePublished - Dec 3 2014

Bibliographical note

Publisher Copyright:
© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords

  • Ferroelectricity
  • Hexagonal rareâ earth manganites
  • Resistive switching
  • Strainâ engineering

ASJC Scopus subject areas

  • Materials Science (all)
  • Mechanics of Materials
  • Mechanical Engineering

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