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Thermosensation

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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...

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Related Experiment Video

Updated: Sep 13, 2025

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Ultra-High Sensitivity, Wide-Range Thermometry Based on High-Quality Microscale Diamond Resonators.

Wen Zhao¹, Guo Chen¹, Tokuyuki Teraji¹

¹Research Center for Electronic and Optical Materials, National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki, 305-0044, Japan.

Advanced Materials (Deerfield Beach, Fla.)

|July 28, 2025

Summary

This study introduces diamond Microelectromechanical system (MEMS) resonators for ultrahigh-sensitivity temperature sensing. This novel thermometry achieves unprecedented resolution and a wide temperature range, overcoming limitations of current technologies.

Keywords:

MEMS diamond low noise thermometry ultra‐high resolution

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Last Updated: Sep 13, 2025

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

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Published on: April 16, 2017

Fabrication and Testing of Photonic Thermometers

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Published on: October 24, 2018

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

Area of Science:

Materials Science
Physics
Engineering

Background:

Next-generation thermometry demands high sensitivity, precision, and micro/nanoscale resolution for diverse applications like bio-calorimetry and quantum science.
Existing thermocouple, resistive, and optical thermometers face limitations including large size, low resolution, high noise, and narrow temperature ranges.
Silicon Microelectromechanical system (MEMS) resonators offer potential but struggle with balancing responsivity, temperature resolution, and sensitivity.

Purpose of the Study:

To develop a novel MEMS thermometry platform overcoming the limitations of current technologies.
To leverage single-crystal diamond and multi-mode resonance for enhanced thermometry performance.
To demonstrate ultrahigh temperature sensitivity and resolution at micro/nanoscale levels.

Main Methods:

Utilized highest crystal quality single-crystal diamond for MEMS cantilever fabrication.
Employed multi-mode resonance within the MEMS resonator design.
Integrated diamond MEMS resonators with electrical circuits for sensing.

Main Results:

Achieved ultra-high sensitivity of approximately 22 nK/√Hz.
Demonstrated a high temperature resolution of 100 µK.
Established a wide operational temperature range from 6.5 K to 380 K.

Conclusions:

Diamond MEMS resonators offer unparalleled performance for next-generation thermometry.
This technology provides a transformative platform for ultrahigh-sensitivity, high-resolution temperature sensing in micro/nanoscale applications.
The developed diamond MEMS thermometry overcomes critical trade-offs in current sensing technologies.