Physics

Nanotube spin defects for omnidirectional magnetic field sensing

X. Gao, S. Vaidya, et al.

Discover the groundbreaking potential of optically addressable spin defects in boron nitride nanotubes, showcasing a unique spin S = 1/2 state that enables versatile magnetic field sensing in any orientation. This research by Xingyu Gao and colleagues suggests innovative applications in atomic-scale quantum sensing.

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Abstract

Optically addressable spin defects in boron nitride nanotubes (BNNTs) are reported, exhibiting a spin S = 1/2 ground state without an intrinsic quantization axis, enabling orientation-independent magnetic field sensing. This feature allows for anisotropic magnetization observation in 2D magnets and the development of scanning probe magnetometry using a BNNT on an AFM cantilever. The findings suggest potential for atomic-scale quantum sensing of magnetic fields in any direction.

Publisher

Nature Communications

Published On

Sep 04, 2024

Authors

Xingyu Gao, Sumukh Vaidya, Saakshi Dikshit, Peng Ju, Kunhong Shen, Yuanbin Jin, Shixiong Zhang, Tongcang Li

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