Epitaxial Fe3 O4 on SrTi O3 characterized by transmission electron microscopy

J. G. Zheng, G. E. Sterbinsky, J. Cheng, B. W. Wessels*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Epitaxial magnetite (Fe3 O4) thin films were deposited on (001) SrTi O3 substrates by molecular beam epitaxy using molecular oxygen and characterized by transmission electron microscopy and magneto-optic Kerr effect measurements. The films are epitaxial with (001) f∥ (001) s and [110] f∥ [110] s and the filmsubstrate interface is nearly atomically abrupt. Misfit dislocations and twins are present in the film due to the large mismatch between the film and substrate. Antiphase boundaries were also observed. The values for the coercive field of the epitaxial film are nearly the same as those of bulk magnetite.

Original languageEnglish (US)
Pages (from-to)1520-1523
Number of pages4
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume25
Issue number4
DOIs
StatePublished - 2007

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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