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High-Temperature and High-Pressure In situ Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
Published on: October 9, 2020
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Demonstration of diamond nuclear spin gyroscope
Andrey Jarmola1,2, Sean Lourette1,2, Victor M Acosta3
1Department of Physics, University of California, Berkeley, CA 94720, USA.
Science Advances
|October 22, 2021
Summary
We developed a novel rotation sensor using nitrogen-14 nuclear spins in diamond. This sensor achieves high sensitivity and stability without requiring microwave pulses, offering a new tool for precise rotation measurements.
Area of Science:
- Quantum sensing
- Diamond-based sensors
- Nuclear spin physics
Background:
- Nitrogen-vacancy (NV) color centers in diamond are promising quantum systems.
- Nuclear spins offer unique sensing capabilities.
- Previous rotation sensors faced limitations in sensitivity and operational requirements.
Purpose of the Study:
- To demonstrate a rotation sensor utilizing nitrogen-14 nuclear spins within NV centers.
- To develop a measurement protocol insensitive to temperature variations.
- To operate without requiring electron spin resonance.
Main Methods:
- Optical polarization and readout of nitrogen-14 nuclear spins.
- Application of a radio-frequency double-quantum pulse protocol.
- Monitoring of nitrogen-14 nuclear spin precession for rotation detection.
Main Results:
- Achieved a rotation sensitivity of 4.7°/h (13 mHz/h).
- Demonstrated a bias stability of 0.4 °/s (1.1 mHz).
- The protocol suppressed sensitivity to temperature variations in quadrupole splitting.
Conclusions:
- Successfully operated a rotation sensor based on 14N nuclear spins in diamond NV centers.
- The developed protocol offers a robust method for rotation sensing, independent of electron spin transitions.
- This technology presents a new avenue for high-precision gyroscopic measurements.
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