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Weak ferromagnetism in Tb(Fe0.2Mn0.2Co0.2Cr0.2Ni0.2) O3 high-entropy oxide perovskite thin films
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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5
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Physical Review B, Volume 106, issue 6, pp. 1-5
Abstract
We have studied the structural and magnetic properties of Tb(Fe0.2Mn0.2Co0.2Cr0.2Ni0.2)O3 (T5BO) high-entropy oxide perovskite (HEOP) thin films. Using synchrotron-based x-ray absorption spectroscopy, employing x-ray magnetic circular dichroism, we performed an element-sensitive study of epitaxial T5BO thin films. The measurements reveal a magnetic multiphase with variable ferromagnetic ordering of all transition metal elements, providing a promising route towards designer ferroic properties in Tb-based HEOP thin films.
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Funding Information: The authors thank L. Flajšman, M. Valvidares, and P. Gargiani for their support and fruitful discussions. This work was supported by the Academy of Finland (Project No. 316857) and part of this work was performed at the XTreme beam line of the Swiss Light Source. F.S. is funded by the Swiss National Science Foundation (SNF) (Grant No. 200021_184684). SQUID-VSM measurements were carried out on the Quantum Design MPMS3-137 device of the Laboratory for Mesoscopic Systems, ETH Zurich, Switzerland and the Laboratory for Multiscale Materials Experiments, Paul Scherrer Institute, Switzerland. We acknowledge the provision of facilities and technical support by Aalto University at OtaNano - Nanomicroscopy Center (Aalto-NMC). Publisher Copyright: © 2022 American Physical Society.
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Farhan, A, Stramaglia, F, Cocconcelli, M, Kuznetsov, N, Yao, L, Kleibert, A, Piamonteze, C & Van Dijken, S 2022, 'Weak ferromagnetism in Tb(Fe0.2Mn0.2Co0.2Cr0.2Ni0.2) O3 high-entropy oxide perovskite thin films', Physical Review B, vol. 106, no. 6, L060404, pp. 1-5. https://doi.org/10.1103/PhysRevB.106.L060404