Journal
MATERIALS RESEARCH LETTERS
Volume 6, Issue 1, Pages 106-112Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2017.1402098
Keywords
Metamagnetic; magnetic ordering; phase transition; antiferromagnetic; irradiation
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Funding
- Scientific User Facilities Division, the Office of Basic Energy Sciences (BES), US Department of Energy (DOE)
- Office of Naval Research through the NRL basic research program
- US Department of Energy (DOE), Office of Basic Energy Sciences (BES), Materials Sciences and Engineering Division
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The heterointerfacing of different materials with competing magnetic orders forms the basis for today's spintronic devices, however materials compatibility has remained a major limitation to the conception of new multilayered systems. Here, we uncover a multilayer of competing magnetic orders within a single layer of FeRh after low-energy He-ion irradiation: metamagnetic, ferromagnetic, and spin glass. Polarized neutron reflectometry, irradiation modeling, and density functional theory calculations reveal a direct correlation between the disorder concentration, the depth-dependent magnetic ordering, and the onset of the metamagnetic transition. Such a heterostructure opens the door to new paradigms in antiferromagnetic electronics and ultra-low-power magnetization controllability. [GRAPHICS] .
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