Quantum sensing of local stray field environment of micron-scale magnetic disks
Quantum sensing of local stray field environment of micron-scale magnetic disks
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DOI：
10.1063/5.0150709
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发表时间：
2023-07
影响因子：
4
通讯作者：
Jin-Jian Zhou;Gerald Q. Yan;Mengqi Huang;N. McLaughlin;C. Du;Hailong Wang
中科院分区：
文献类型：
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作者：
Jin-Jian Zhou;Gerald Q. Yan;Mengqi Huang;N. McLaughlin;C. Du;Hailong Wang
小型化磁性器件的特性和性能的局部表征是推进当前片上自旋电子学技术的前提。利用金刚石中的氮空位(NV)中心，我们报道了在亚微米尺度图案化的微米级Y3Fe5O12(YIG)圆盘的自旋波模式和杂散场环境的量子传感。利用使用NV系综的广场磁测量技术，我们映射了空间相关的NV电子自旋共振和Rabi振荡，以响应从近端YIG图案发出的杂散场的局部变化。我们的实验数据与理论预测和微磁模拟结果非常一致，突显了NV中心为探测功能固态设备的局部磁性提供的重要机会。所提出的量子传感策略也可能在下一代自旋电子电路的开发中得到应用，这些电路具有更好的可扩展性和密度。
Local characterization of the properties and performances of miniaturized magnetic devices is a prerequisite for advancing present on-chip spintronic technologies. Utilizing nitrogen-vacancy (NV) centers in diamond, here we report quantum sensing of spin wave modes and magnetic stray field environment of patterned micrometer-scale Y3Fe5O12 (YIG) disks at the submicrometer length scale. Taking advantage of wide-field magnetometry techniques using NV ensembles, we map the spatially dependent NV electron spin resonances and Rabi oscillations in response to local variations of the stray fields emanating from a proximal YIG pattern. Our experimental data are in excellent agreement with theoretical predictions and micromagnetic simulation results, highlighting the significant opportunities offered by NV centers for probing the local magnetic properties of functional solid-state devices. The presented quantum sensing strategy may also find applications in the development of next-generation spintronic circuits with improved scalability and density.