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Article
Exploration of Artificial Multiferroic Thin-Film Heterostructures using Composition Spreads
Applied Physics Letters
  • K.-S. Chang
  • M. A. Aronova
  • C.-L. Lin
  • M. Murakami
  • M.-H. Yu
  • Jason R. Hattrick-Simpers, University of South Carolina - Columbia
  • O. O. Famodu
  • S. Y. Lee
  • R. Ramesh
  • M. Wuttig
  • I. Takeuchi
  • C. Gao
  • L. A. Bendersky
Publication Date
1-1-2004
Document Type
Article
Abstract

We have fabricated a series of composition spreads consisting of ferroelectric BaTiO3 and piezomagnetic CoFe2O4 layers of varying thicknesses modulated at nanometer level in order to explore artificial magnetoelectricthin-film heterostructures. Scanning microwavemicroscopy and scanning superconducting quantum interference device microscopy were used to map the dielectric and magnetic properties as a function of continuously changing average composition across the spreads, respectively. Compositions in the middle of the spreads were found to exhibit ferromagnetism while displaying a dielectric constant as high as ≈120.

Citation Information
K.-S. Chang, M. A. Aronova, C.-L. Lin, M. Murakami, et al.. "Exploration of Artificial Multiferroic Thin-Film Heterostructures using Composition Spreads" Applied Physics Letters Vol. 84 Iss. 16 (2004) p. #3091
Available at: http://works.bepress.com/jason_hattrick-simpers/5/