Nanoscale structure and mechanism for enhanced electromechanical response of highly strained BiFeO3 thin films

Anoop R. Damodaran, Chen Wei Liang, Qing He, Chun Yen Peng, Li Chang, Ying Hao Chu, Lane W. Martin

Research output: Contribution to journalArticlepeer-review

120 Scopus citations

Abstract

The presence of a variety of structural variants in BiFeO3 thin films give rise to exotic electric-field-induced responses and resulting electromechanical responses as large as 5%. Using high-resolution X-ray diffraction and scanning-probe-microscopy-based studies the numerous phases present at the phase boundaries are identified and an intermediate monoclinic phase, in addition to the previously observed rhombohedral- and tetragonal-like phases, is discovered.

Original languageEnglish (US)
Pages (from-to)3170-3175
Number of pages6
JournalAdvanced Materials
Volume23
Issue number28
DOIs
StatePublished - Jul 26 2011
Externally publishedYes

Keywords

  • electromechanical responses
  • phase transitions
  • thin films

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