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Quantum Sensing of Spin Dynamics Using Boron-Vacancy Centers in Hexagonal Boron Nitride

Quantum Sensing of Spin Dynamics Using Boron-Vacancy Centers in Hexagonal Boron Nitride

  • Optically active, spin bearing defects embedded in solid-state systems are appealing for quantum sensing of materials and for quantum science and engineering
  • Spin-sensitive photoluminescence of these spin defects in van der Waals based materials, such as the boron-vacancy (BV) centers in hexagonal boron nitride (h-BN), enables spatially localized, quantum sensing of weak static and dynamic magnetic fields
  • Using relaxometry, the team optically detected ferromagnetic resonance  (ODFMR) in yttrium iron garnet (YIG) demonstrating sensitive detection of magnon dynamics
  • This work establishes BV centers in h-BN as a modular quantum sensing platform that can be seamlessly integrated with emergent and vdW systems to probe a wide range of static and dynamic phenomena

Das, et al., Phys. Rev. Lett 133 166704 (2024)