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

Journal Article · · Journal of Vacuum Science and Technology A
DOI:https://doi.org/10.1116/1.5093537· OSTI ID:1577083
 [1];  [1];  [2];  [3];  [1];  [4];  [1]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Physical and Computational Sciences Directorate
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Energy and Environment Directorate
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab.
  4. Argonne National Lab. (ANL), Lemont, IL (United States). Advanced Photon Source
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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 °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 °C. They discuss antiphase boundaries in symmetry matched epitaxial systems. Furthermore, this research provides new insight into the epitaxial growth and crystalline properties of crystal symmetry matched Fe2CrO4/MAO(001) heterostructures.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1577083
Alternate ID(s):
OSTI ID: 1508192
OSTI ID: 1548270
Journal Information:
Journal of Vacuum Science and Technology A, Journal Name: Journal of Vacuum Science and Technology A Journal Issue: 3 Vol. 37; ISSN 0734-2101
Publisher:
American Vacuum SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (2)

Reversible Oxidation Quantified by Optical Properties in Epitaxial Fe 2 CrO 4+δ Films on (001) MgAl 2 O 4 journal February 2020
Poisson ratio and bulk lattice constant of (Sr 0.25 La 0.75 )CrO 3 from strained epitaxial thin films journal August 2019

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY