Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3285169
Keywords
adsorbed layers; micromechanical resonators; microsensors; nanomechanics
Categories
Funding
- EPSRC-GB [EP/D505925/1, EP/G0620654/1]
- BBSRC [BB/G011729/1]
- Royal Society
- EU
- BBSRC [BB/G011729/1] Funding Source: UKRI
- EPSRC [EP/G062064/1, EP/D505925/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/G011729/1] Funding Source: researchfish
- Engineering and Physical Sciences Research Council [EP/G062064/1] Funding Source: researchfish
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Micro and nanomechanical resonators are powerful and label-free sensors of analytes in various environments. Their response, however, is a convolution of mass, rigidity, and nanoscale heterogeneity of adsorbates. Here we demonstrate a procedure to disentangle this complex sensor response, to simultaneously measure both mass and elastic properties of nanometer thick samples. This turns an apparent disadvantage of these resonators into a striking and unique asset, enabling them to measure more than mass alone.
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