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Epitaxial Stabilization of Single-Crystal Multiferroic YCrO3 Thin Films

Journal Article · · Nanomaterials
DOI:https://doi.org/10.3390/nano10102085· OSTI ID:1765878
We report on the growth of stoichiometric, single-crystal YCrO3 epitaxial thin films on (001) SrTiO3 substrates using pulsed laser deposition. X-ray diffraction and atomic force microscopy reveal that the films grew in a layer-by-layer fashion with excellent crystallinity and atomically smooth surfaces. Magnetization measurements demonstrate that the material is ferromagnetic below 144 K. The temperature dependence of dielectric permittivity shows a characteristic relaxor-ferroelectric behavior at TC = 375–408 K. A dielectric anomaly at the magnetic transition temperature indicates a close correlation between magnetic and electric order parameters in these multiferroic YCrO3 films. These findings provide guidance to synthesize rare-earth, chromite-based multifunctional heterostructures and build a foundation for future studies on the understanding of magnetoelectric effects in similar material systems.
Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
89233218CNA000001; AC05-00OR22725
OSTI ID:
1765878
Alternate ID(s):
OSTI ID: 1831684
Report Number(s):
LA-UR--20-29015
Journal Information:
Nanomaterials, Journal Name: Nanomaterials Journal Issue: 10 Vol. 10; ISSN 2079-4991
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

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