ArticleACS omega2021
Micro-Kelvin Resolution at Room Temperature Using Nanomechanical Thermometry.
Article in ACS omega, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Nanomechanical thermometry for probing sub-nW thermal transport.Microsystems & nanoengineering · 2024Article
- Exploring regenerative coupling in phononic crystals for room temperature quantum optomechanics.Scientific reports · 2024Article
- Resistive-Based Micro-Kelvin Temperature Resolution for Ultra-Stable Space Experiments.Sensors (Basel, Switzerland) · 2022Article
- Photothermal Responsivity of van der Waals Material-Based Nanomechanical Resonators.Nanomaterials (Basel, Switzerland) · 2022Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ultrahigh sensitivity temperature measurement is becoming increasingly relevant for different scientific and technological fields from fundamental physics to high-precision engineering applications. Here, we demonstrate the use of a nanomechanical resonator-free standing silicon nitride membranes with thicknesses in the nanoscale-for room temperature thermometry reaching an unprecedented resolution of 15 μK. These devices were characterized by using an interferometric system at high vacuum, where there are only two possible mechanisms for heat transfer: thermal conductivity and radiation. While the expected behavior should be to decrease the frequency of the mechanical resonance due to the thermoelastic effect, we observe that the nanomechanical response can be both positive and negative depending on the thermal flux: a heat point source always shifts the mechanical resonance to lower frequencies, while a distributed heat source shifts the resonance to higher frequencies.
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Registered trials
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