Reflective dielectric cavity enhanced emission from hexagonal boron nitride spin defect arrays

Zeng, Xiao-Dong; Yang, Yuan-Ze; Guo, Nai-Jie; Li, Zhi-Peng; Wang, Zhao-An; Xie, Lin-Ke; Yu, Shang; Meng, Yu; Li, Qiang; Xu, Jin-Shi; Liu, Wei; Wang, Yi-Tao; Tang, Jian-Shun; Li, Chuan-Feng; Guo, Guang-Can

doi:10.1039/d3nr03486k

Nanoscale

2023

DOI: 10.1039/d3nr03486k

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Reflective dielectric cavity enhanced emission from hexagonal boron nitride spin defect arrays

Xiao-Dong Zeng,

Yuan-Ze Yang,

Nai-Jie Guo

et al.

Abstract: Among the various kinds of spin defects in hexagonal boron nitride (hBN), the negatively charged boron vacancy (VB-) spin defect that can be site-specifically generated is undoubtedly a potential candidate...

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Magnetic field imaging by hBN quantum sensor nanoarray

Sasaki

Nakamura

et al. 2023

Applied Physics Letters

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Placing a sensor close to the target at the nano-level is a central challenge in quantum sensing. We demonstrate magnetic field imaging with a boron vacancy (VB−) defects array in hexagonal boron nitride with a few 10 nm thickness. VB− sensor spots with a size of (100 nm)2 are arranged periodically with nanoscale accuracy using a helium ion microscope and attached tightly to a gold wire. The sensor array allows us to visualize the magnetic field induced by the current in the straight micro wire with a high spatial resolution. Each sensor exhibits a practical sensitivity of 73.6 μT/Hz0.5, suitable for quantum materials research. Our technique of arranging VB− quantum sensors periodically and tightly on measurement targets will maximize their potential.

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Magnetic field imaging by hBN quantum sensor nanoarray

Sasaki

Nakamura

et al. 2023

Applied Physics Letters

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Reflective dielectric cavity enhanced emission from hexagonal boron nitride spin defect arrays

Abstract: Among the various kinds of spin defects in hexagonal boron nitride (hBN), the negatively charged boron vacancy (VB-) spin defect that can be site-specifically generated is undoubtedly a potential candidate...

Cited by 1 publication

References 50 publications

Magnetic field imaging by hBN quantum sensor nanoarray

Magnetic field imaging by hBN quantum sensor nanoarray

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