Magnetic noise detection and imaging from a superparamagnetic core-shell particle via an ensemble of nitrogen-vacancy centers in a thin diamond chip

Magnetic noise detection and imaging from a superparamagnetic core-shell particle via an ensemble of nitrogen-vacancy centers in a thin diamond chip

We describe a local fluctuating magnetic field detection of Fe _3 O _4 superparamagnetic core–shell particles via relaxometry of an ensemble of NV centers in a diamond. A thin diamond chip enables optical access to the contact position of the magnetic particle through the backside. A significant dro...

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Bibliographic Details
Main Authors: Thitinun Gas-osoth, Kunitaka Hayashi, Dwi Prananto, Toshu An
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Applied Physics Express
Subjects:
relaxation time
superparamagnetic
magnetic fluctuation
NV center
magnetometry
quantum sensing
Online Access:https://doi.org/10.35848/1882-0786/adac28
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https://doi.org/10.35848/1882-0786/adac28

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