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Resonant Mass Detector Based on Carbon Nanowhiskers with Traps for Nanoobjects Weighing
Author(s) -
Lukashenko Stanislav Y.,
Mukhin Ivan S.,
Komissarenko Filipp E.,
Gorbenko Olga M.,
Sapozhnikov Ivan D.,
Felshtyn Michael L.,
Uskov Alexander V.,
Golubok Alexander O.
Publication year - 2018
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.201800046
Subject(s) - tungsten , materials science , scanning electron microscope , detector , nanoparticle , colloidal gold , beam (structure) , cathode ray , amorphous carbon , resonance (particle physics) , amorphous solid , nanotechnology , electron , optoelectronics , analytical chemistry (journal) , optics , composite material , chemistry , physics , atomic physics , metallurgy , crystallography , quantum mechanics , chromatography
Nano‐mechanical oscillator (NMO) based on amorphous carbon nanowhisker (CNW) with nanotraps for resonant weighting of nanoparticles in range of mass (10 −14 –10 −15 ) g is presented. NMO with nanotraps is fabricated on the top of tungsten tip using focused electron beam technique. For resonant weighting the gold nanospheres are captured under the exposure of an electron beam by nanotraps locate on the top of CNW. Jump of gold nanoparticle to the nanotrap and oscillations of CNW are visualized using scanning electron microscope (SEM). The NMO amplitude‐frequency characteristics are calculated via automated numerical analysis of the sequence of SEM images obtained during the oscillations frequency sweeping. In order to calibrate the resonance mass detector based on CNW with nanotrap the gold nanosphere with diameter of (170 ± 5) nm and mass of (49.6 ± 9.2) × 10 −15 g is weighed in vacuum.