期刊
MATERIALS RESEARCH LETTERS
卷 6, 期 1, 页码 106-112出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2017.1402098
关键词
Metamagnetic; magnetic ordering; phase transition; antiferromagnetic; irradiation
资金
- 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
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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