利用光诱导磁力显微镜直接检测电子自旋的磁力和磁场耦合

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2024-09-25 DOI:10.1021/acs.nanolett.4c03437

Zhenrong Zhang, Qiang Zhu, Liangjie Li, Huan Fei Wen, Hao Guo, Zongmin Ma, Ye Tian, Yasuhiro Sugawara, Yan Jun Li, Jun Tang, Jun Liu

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引用次数: 0

摘要

电子的固有自旋及其相关磁矩可以让我们深入了解自旋电子学。然而，这种相互作用极其微弱，就像电子自旋与磁场之间的耦合一样，给实验带来了巨大挑战。在这里，我们展示了在金刚石中直接测量极化单个 NV 中心及其自旋-自旋耦合行为的方法。通过使用光诱导磁力显微镜，我们获得了源自电子自旋的极弱磁力耦合。NV- 中心的极化自旋状态（从|0⟩过渡到|±1⟩）及其相应的泽曼效应可以通过它们与磁尖的相互作用来表征。该成果在通过磁力实现电子自旋测量方面取得了进步，避免了制造导电基底的需要。这有助于更好地理解和控制电子自旋，为未来的量子技术提供新的电子状态。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Direct Detection of the Magnetic Force and Field Coupling of Electronic Spins Using Photoinduced Magnetic Force Microscopy

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Direct Detection of the Magnetic Force and Field Coupling of Electronic Spins Using Photoinduced Magnetic Force Microscopy

The intrinsic spin of the electron and its associated magnetic moment can provide insights into spintronics. However, the interaction is extremely weak, as is the case with the coupling between an electron’s spin and a magnetic field, and it poses significant experimental challenges. Here we demonstrate the direct measurement of polarized single NV^– centers and their spin–spin coupling behaviors in diamond. By using photoinduced magnetic force microscopy, we obtain the extremely weak magnetic force coupling originating from the electron spin. The polarized spin state of NV^– centers, transitioning from |0⟩ to |±1⟩, and their corresponding Zeeman effect can be characterized through their interaction with a magnetic tip. The result presents an advancement in achieving electron spin measurements by magnetic force, avoiding the need for manufacturing conductive substrates. This facilitates a better understanding and control of electron spin to novel electronic states for future quantum technologies.

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.