A nitrogen-vacancy (dark blue) quantum probe in diamond (light grey) performing nanoscale nuclear magnetic resonance (NMR) on molecular hydrogen sitting on the diamond’s surface. A green laser controls the quantum state of the probe, which is tuned to the resonant frequency of target nuclear spins. The probe responds to the nuclear spins of the hydrogen atoms and provides a direct measurement via the red light emitted. Credit: David A. Broadway/cqc2t.org
Limitations of conventional NMR spectroscopy overcome. Researchers at the University of Melbourne have demonstrated a way to detect nuclear spins in molecules non-invasively, providing a new tool for biotechnology and materials science...
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