中国科学技术大学自旋电子材料与器件实验室--自旋电子材料与器件实验室-- Li Z, Zhang R, Shan J, et al. Electrostatic Gating of Spin Dynamics of a Quasi-2D Kagome Magnet[J]. Nano Letters, 2024.

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Li Z, Zhang R, Shan J, et al. Electrostatic Gating of Spin Dynamics of a Quasi-2D Kagome Magnet[J]. Nano Letters, 2024.

发布时间：2024-04-23点击次数：

发表刊物：
Nano Letters
摘要：
Electrostatic gating has emerged as a powerful technique for tailoring the magnetic properties of two-dimensional (2D) magnets, offering exciting prospects including enhancement of magnetic anisotropy, boosting Curie temperature, and strengthening exchange coupling effects. Here, we focus on electrical control of the ferromagnetic resonance of the quasi-2D Kagome magnet Cu(1,3-bdc). By harnessing an electrostatic field through ionic liquid gating, significant shifts are observed in the ferromagnetic resonance field in both out-of-plane and in-plane measurements. Moreover, the effective magnetization and gyromagnetic ratios display voltage-dependent variations. A closer examination reveals that the voltage-induced changes can modulate magnetocrystalline anisotropy by several hundred gauss, while the impact on orbital magnetization remains relatively subtle. Density functional theory (DFT) calculations reveal varying d-orbital hybridizations at different voltages. This research unveils intricate physics within the Kagome lattice magnet and further underscores the potential of electrostatic manipulation in steering magnetism with promising implications for the development of spintronic devices.
论文类型：
期刊论文
卷号：
24
期号：
7
页面范围：
2415-2420
是否译文：
否
发表时间：
2024-02-07
发布期刊链接：
https://doi.org/10.1021/acs.nanolett.4c00034