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Nanoscale NMR & Spectroscopy

Bring the NV sensor closer to the spins.

Nanoscale NMR and surface-spin spectroscopy rely on NV centers engineered close to the diamond surface, where they can couple more strongly to nuclear and electronic spins in molecules, thin films and other surface-bound systems.

Shallow NV5–100 nm depthH / O termination¹²C engineering available
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Nanoscale NMR with shallow NV centers coupling to external nuclear spins
Near-Surface Physics

Depth sets the sensing distance.

The useful target is not simply “as shallow as possible.” NV depth, surface condition, host background and spin coherence must be balanced around the external spin system and the measurement geometry.

EXTERNAL / SURFACE SPINS
5–100 nm
SHALLOW NV BELOW DIAMOND SURFACE

Near-field coupling, engineered around the experiment.

Shallow NV centers provide access to spin signals outside the diamond, making them suitable for nanoscale NMR and surface-sensitive spectroscopy.

01
Depth engineeringTarget NV depth is selected around sensing distance and experiment geometry.
02
Low-background hostElectronic-grade diamond minimizes unwanted nitrogen and defect background.
03
Surface engineeringHydrogen or oxygen termination can be selected around the near-surface experiment.
04
Spin environment¹²C enrichment and controlled nitrogen isotope options are available when coherence-sensitive measurements require them.
Recommended Material Platforms

Build the near-surface stack deliberately.

For nanoscale spectroscopy, the diamond host, NV depth, surface condition and isotope environment work together rather than as independent catalog choices.

01 · PRIMARY PLATFORM

Shallow NV Diamond

Near-surface NV centers engineered in the typical 5–100 nm range for coupling to external spins and surface-sensitive measurements.

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02 · HOST QUALITY

Electronic Grade Diamond

High-purity host material for controlled implantation and low-background shallow-NV creation.

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03 · SPIN BATH CONTROL

Isotope-Engineered Diamond

¹²C-enriched material can reduce the ¹³C nuclear-spin background and support coherence-sensitive near-surface experiments.

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04 · FIELD GEOMETRY

{111} Diamond

For experiments that benefit from an NV axis normal to the diamond surface and simplified alignment with an external magnetic field.

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Engineering Variables

What controls a nanoscale NMR experiment?

DEPTHSensing distanceShallower NV centers generally improve near-field coupling to spins outside the diamond.
SURFACEInterface qualitySurface preparation and termination can strongly influence near-surface behavior and stability.
HOSTBackground defectsElectronic-grade material helps reduce unwanted nitrogen and defect-related background.
ISOTOPESpin environment¹²C enrichment and nitrogen-isotope control are available for coherence-sensitive designs.
ORIENTATIONField alignment{111} and other crystal orientations can be selected around the magnetic-field and surface geometry.

Need detailed product information?

For product brochures, full specifications and available characterization or parameter-test data for shallow-NV and nanoscale-NMR materials, please contact Nova Crystal by email.