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Creators/Authors contains: "Cloutier, Sylvain G"

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  1. ; ; ; (, Small)
    Abstract Exchange bias (EB), manifested as a hysteresis‐loop offset after field‐cooling, is demonstrated in perovskite‐structured ferromagnet/antiferromagnet (La0.67Sr0.33MnO3/YFeO3)nheterostructures grown on (100) SrTiO3substrates. Bilayer samples show an EB of 306 Oe at 50 K, whereas multilayers with five layers exhibit an exchange bias of up to 424 Oe at 50 K. A spin valve consisting of La0.67Sr0.33MnO3/SrTiO3/La0.67Sr0.33MnO3/YFeO3shows stable remanent configurations resulting from pinning of the upper La0.67Sr0.33MnO3layer by the YFeO3. In contrast, EB is not observed on (111)‐oriented SrTiO3substrates due to interface roughening. These results demonstrate YFeO3as an alternative orthoferrite antiferromagnet compared to BiFeO3and LaFeO3for incorporation into exchange‐biased heterostructures. 
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    Free, publicly-accessible full text available May 1, 2026