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Multiangle Reconstruction of Domain Morphology with All-Optical Diamond Magnetometry
Physical Review Applied ( IF 3.8 ) Pub Date : 2021-07-22 , DOI: 10.1103/physrevapplied.16.014054 Lucio Stefan 1, 2 , Anthony K.C. Tan 1 , Baptiste Vindolet 3 , Michael Högen 1 , Dickson Thian 4 , Hang Khume Tan 4 , Loïc Rondin 3 , Helena S. Knowles 1 , Jean-François Roch 3 , Anjan Soumyanarayanan 4, 5 , Mete Atatüre 1
Physical Review Applied ( IF 3.8 ) Pub Date : 2021-07-22 , DOI: 10.1103/physrevapplied.16.014054 Lucio Stefan 1, 2 , Anthony K.C. Tan 1 , Baptiste Vindolet 3 , Michael Högen 1 , Dickson Thian 4 , Hang Khume Tan 4 , Loïc Rondin 3 , Helena S. Knowles 1 , Jean-François Roch 3 , Anjan Soumyanarayanan 4, 5 , Mete Atatüre 1
Affiliation
Scanning diamond magnetometers based on the optically detected magnetic resonance of the nitrogen-vacancy center offer very high sensitivity and noninvasive imaging capabilities when the stray fields emanating from ultrathin magnetic materials are sufficiently low (less than ). Beyond this low-field regime, the optical signal quenches and a quantitative measurement is challenging. While the field-dependent photoluminescence from the nitrogen-vacancy center can still provide qualitative information on magnetic morphology, this operation regime remains unexplored, particularly for surface magnetization larger than approximately . Here, we introduce a multiangle reconstruction (MARE) that captures the full nanoscale domain morphology in all magnetic field regimes leading to photoluminescence quench. To demonstrate this, we use multilayer films with surface magnetization an order of magnitude larger than previous reports. Our approach brings noninvasive nanoscale magnetic field imaging capability of the nitrogen-vacancy center to the study of a wider pool of magnetic materials and phenomena.
中文翻译:
用全光学金刚石磁力法多角度重建畴形态
当超薄磁性材料发出的杂散场足够低(小于 )。在这种低场范围之外,光信号猝灭并且定量测量具有挑战性。虽然来自氮空位中心的场相关光致发光仍然可以提供关于磁形态的定性信息,但这种操作机制仍未得到探索,特别是对于大于大约. 在这里,我们介绍了一种多角度重建 (MARE),它可以在所有磁场范围内捕获完整的纳米级域形态,从而导致光致发光猝灭。为了证明这一点,我们使用表面磁化强度比以前的报告大一个数量级的多层薄膜。我们的方法将氮空位中心的无创纳米级磁场成像能力用于研究更广泛的磁性材料和现象。
更新日期:2021-07-22
中文翻译:
用全光学金刚石磁力法多角度重建畴形态
当超薄磁性材料发出的杂散场足够低(小于 )。在这种低场范围之外,光信号猝灭并且定量测量具有挑战性。虽然来自氮空位中心的场相关光致发光仍然可以提供关于磁形态的定性信息,但这种操作机制仍未得到探索,特别是对于大于大约. 在这里,我们介绍了一种多角度重建 (MARE),它可以在所有磁场范围内捕获完整的纳米级域形态,从而导致光致发光猝灭。为了证明这一点,我们使用表面磁化强度比以前的报告大一个数量级的多层薄膜。我们的方法将氮空位中心的无创纳米级磁场成像能力用于研究更广泛的磁性材料和现象。