4.5 Article

Epitaxial growth and atomic arrangement in Fe2CrO4 on crystal symmetry matched (001) MgAl2O4

Journal

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
Volume 37, Issue 3, Pages -

Publisher

A V S AMER INST PHYSICS
DOI: 10.1116/1.5093537

Keywords

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Funding

  1. U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Materials Science and Engineering [10122]
  2. DOE Office of Science User Facility [DE-AC02-05CH11231]
  3. Office of Biological and Environmental Research

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The authors report on the chemical, structural, and optical properties of molecular beam epitaxy synthesized thin films of multifunctional Fe2CrO4 on (001)-oriented MgAl2O4 (MAO). Substrate temperatures near 500 degrees C are required to obtain smooth films with an out-of-plane lattice parameter consistent with the 3.8% compressive strain induced by the film and substrate lattice mismatch. Mg diffusion from the MAO substrate is kinetically suppressed up to 500 degrees C. They discuss antiphase boundaries in symmetry matched epitaxial systems. This research provides new insight into the epitaxial growth and crystalline properties of crystal symmetry matched Fe2CrO4/MAO(001) heterostructures. Published by the AVS.

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