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Related Experiment Video

Updated: May 11, 2026

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

Published on: June 18, 2020

High-precision nanoscale temperature sensing using single defects in diamond.

P Neumann¹, I Jakobi, F Dolde

¹3rd Physikalisches Institut, Research Center Scope and IQST, University of Stuttgart, 70569 Stuttgart, Germany. p.neumann@physik.uni-stuttgart.de

|June 1, 2013

Summary

This summary is machine-generated.

Researchers developed a new nanoscale temperature sensing technique using diamond defects. This method achieves high precision for measuring temperature at the nanometer scale, enabling new applications in science and industry.

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Last Updated: May 11, 2026

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

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$Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction$

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Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid

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Published on: December 2, 2022

Area of Science:

Physics
Materials Science
Chemistry

Background:

Precise nanoscale temperature measurement is crucial for various scientific and industrial applications.
Existing methods lack the necessary spatial resolution and precision.
New probes are needed for detecting subtle temperature changes at the nanoscale.

Purpose of the Study:

To develop and demonstrate a novel nanoscale temperature sensing technique.
To achieve high spatial resolution and precision in temperature measurements.
To enable the study of localized thermal effects in materials and biological systems.

Main Methods:

Utilizing optically detected electron spin resonance (OD ESR) in single atomic defects within diamond.
Employing diamond sensors ranging in size from micrometers down to tens of nanometers.
Characterizing the temperature noise floor and accuracy of the developed sensor.

Main Results:

Achieved a temperature noise floor of 5 mK/Hz(1/2) for bulk diamond sensors.
Demonstrated a temperature noise floor of 130 mK/Hz(1/2) using doped nanodiamonds.
Attained accuracies down to 1 mK for sensors with dimensions of tens of nanometers.

Conclusions:

The developed technique offers unprecedented precision and spatial resolution for nanoscale thermometry.
The diamond-based sensor is photostable and suitable for heterogeneous environments.
This advancement opens possibilities for measuring heat from single-molecule interactions in complex systems like cells.