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- W4287029795 abstract "The recent discovery of magnetic ordering in two-dimension has lead to colossal efforts to find atomically thin materials that order at high temperatures. However, due to fundamental spin fluctuation in reduced dimension, the room-temperature ferromagnetism remains elusive. Here, we report a dramatic manipulation of magnetic ordering up to room temperature in the monolayer CrBr$_3$, within the first-principles Heisenberg XXZ model. The exchange and anisotropic magnetic interactions are externally modulated by a gate-induced charge carrier doping that triggers a nontrivial phase diagram. High-temperature ferromagnetism is associated with a substantial increase in both effective ferromagnetic exchange and overall magnetic anisotropy under experimentally attainable hole doping. In contrast, electron doping quickly switches the magnetic easy axis. The gate-tuneable room temperature ferromagnetism in CrBr$_3$ presents new possibilities in electrically controlled spintronic and magnetoelectric devices based on atomically thin crystals." @default.
- W4287029795 created "2022-07-25" @default.
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- W4287029795 date "2021-08-02" @default.
- W4287029795 modified "2023-09-27" @default.
- W4287029795 title "Electrically tunable room-temperature ferromagnetism in CrBr$_3$" @default.
- W4287029795 doi "https://doi.org/10.48550/arxiv.2108.00684" @default.
- W4287029795 hasPublicationYear "2021" @default.
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