Mainz 2026 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
A: Fachverband Atomphysik
A 42: Atomic Systems in External Fields II
A 42.3: Vortrag
Freitag, 6. März 2026, 11:30–11:45, N 3
High-sensitivity magnetometry with an ensemble of nitrogen- vacancy centers in diamond — •Phani Peddibhotla1, Shashank Kumar1, Bapan Debnath1, Pranit Terse1, Sakshi Dwivedy1, Sourav Chatterjee2, and Pralekh Dubey1 — 1Indian Institute of Science Education and Research, Bhopal, India — 22TCS Research, TATA Consultancy Services, Kolkata, India
Nitrogen-vacancy (NV) centers are atom-like defects in diamond which enable quantitative magnetic field measurements with high sensitivity and spatial resolution. Using an ensemble of NV centers, we demonstrate magnetic field sensitivities approaching 100 pT per root Hz under ambient conditions, at low frequencies (10 to 100 Hz), and over a large dynamic range. We also discuss applications of NV magnetometry for detection of defects in steel with sub-millimeter spatial resolution.
Keywords: Microwave spectroscopy; Defects in diamond; Zeeman effect; Quantum sensing; Magnetometry