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Ultrasensitive mass sensor fully integrated with complementary metal-oxide-semiconductor circuitry
Forsen, E. (Technical University of Denmark. Department of Micro and Nanotechnology)
Abadal Berini, Gabriel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Ghatnekar-Nilsson, S. (University of Lund. Solid State Physics and The Nanometer Consortium)
Teva Meroño, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Verd Martorell, Jaume (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Sandberg, R. (Technical University of Denmark. Department of Micro and Nanotechnology)
Svendsen, W. (Technical University of Denmark. Department of Micro and Nanotechnology)
Pérez Murano, Francesc (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Esteve Tinto, Jaume (Institut de Microelectrònica de Barcelona (IMB-CNM))
Figueras Costa, Eduardo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Campabadal Segura, Francesca (Institut de Microelectrònica de Barcelona (IMB-CNM))
Montelius, L. (University of Lund. Solid State Physics and The Nanometer Consortium)
Barniol i Beumala, Núria (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Boisen, A. (Technical University of Denmark. Department of Micro and Nanotechnology)
American Physical Society

Date: 2005
Abstract: Nanomechanical resonators have been monolithically integrated on preprocessed complementary metal-oxide-semiconductor(CMOS) chips. Fabricatedresonatorsystems have been designed to have resonance frequencies up to 1. 5 MHz. The systems have been characterized in ambient air and vacuum conditions and display ultrasensitive mass detection in air. A mass sensitivity of 4ag/Hz has been determined in air by placing a single glycerine drop, having a measured weight of 57 fg, at the apex of a cantilever and subsequently measuring a frequency shift of 14. 8 kHz. CMOS integration enables electrostatic excitation, capacitive detection, and amplification of the resonance signal directly on the chip.
Rights: Tots els drets reservats.
Language: Anglès.
Document: article ; recerca ; publishedVersion
Subject: Metal insulator semiconductor structures ; Optical resonators ; Electrostatics ; Adsorption ; Vibration resonance ; Capacitance ; Frequency measurement ; Laser resonators ; Nanoelectromechanical systems ; Nanofabrication
Published in: Applied Physics Letters, Vol. 87, Issue 4 (July 2005) , p. 043507/1- 043507/3, ISSN 1077-3118

DOI: 10.1063/1.1999838


4 p, 355.8 KB

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Articles > Research articles
Articles > Published articles

 Record created 2014-03-03, last modified 2019-02-03



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