Real-time Simultaneous Dual Sensing of Temperature and Magnetic Field using NV-based Nano-diamonds

• URL: http://arxiv.org/abs/2408.17418v1
• Date: Fri, 30 Aug 2024 17:07:33 GMT
• Title: Real-time Simultaneous Dual Sensing of Temperature and Magnetic Field using NV-based Nano-diamonds
• Authors: Sonia Sarkar, Namita Agrawal, Dasika Shishir, Kasturi Saha,
• Abstract summary: Quantum sensors based on Nitrogen Vacancy (NV) centers in diamond are highly capable of sensing multiple physical quantities. We present NVNDs' capacity to simultaneously sense both thermal and magnetic fields in real time.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Quantum sensors based on Nitrogen Vacancy (NV) centers in diamond are highly capable of sensing multiple physical quantities. In this study, we use amplitude-modulated lock-in detection of optically detected magnetic resonance of NV nanodiamonds (NVND) to investigate the link between temperature (T) and the zero-field splitting parameter (D) and also the relationship between magnetic field values and the difference of resonance frequencies. We also present NVNDs' capacity to simultaneously sense both thermal and magnetic fields in real time. This dual-sensing approach is beneficial for studying magnetic materials whose magnetization depends on temperature and the applied magnetic field, such as certain ferromagnetic and ferrimagnetic materials. Integrating real-time thermal and magnetic field measurements provides unique opportunities for failure analysis in the integrated circuit (IC) industry and for studying thermodynamic processes in cell physiology. The ability to concurrently monitor temperature and magnetic field variations offers a powerful toolset for advancing precision diagnostics and monitoring in these fields.

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