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Topic Area: Nanomechanics

Displaying records 1 to 10 of 15 records.
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1. Si3N4 optomechanical crystals in the resolved-sideband regime
Topic: Nanomechanics
Published: 1/27/2014
Authors: Marcelo Ishihara Davanco, Serkan Ates, Yuxiang Liu, Kartik A Srinivasan
Abstract: We demonstrate sideband-resolved Si3N4 optomechanical crystals supporting 105 quality factor optical modes at 980 nm, coupled to approximately 4 GHz frequency mechanical modes with quality factors of approximately 3000. Optomechanical electromagneti ...

2. Dynamic contact AFM methods for nanomechanical properties
Topic: Nanomechanics
Published: 12/1/2013
Authors: Donna C. Hurley, Jason Philip Killgore
Abstract: This chapter focuses on two atomic force microscopy (AFM) methods for nanomechanical characterization: force modulation microscopy (FMM) and contact resonance (CR) techniques. FMM and CR methods share several common features that distinguish them fro ...

3. Nanoscale interfacial friction and adhesion on supported versus suspended monolayer and multilayer graphene
Topic: Nanomechanics
Published: 1/8/2013
Authors: Zhao Z. Deng, Nikolai Nikolayevich Klimov, Santiago Solares, Teng Li, Hua Xu, Rachel J. Cannara
Abstract: Using atomic force microscopy (AFM), we study the adhesive, frictional and elastic properties of supported and suspended graphene exfoliated onto pit-patterned silicon dioxide-on-silicon (SiO2/Si) substrates. In spite of the greater adhesive force b ...

4. Large Stroke Electrostatic Comb-Drive Actuators Based on a Novel Flexure Mechanism
Topic: Nanomechanics
Published: 6/20/2012
Authors: Mohammad Olfatnia, Siddharth Sood, Jason John Gorman, Shorya Awtar
Abstract: This paper reports in-plane electrostatic comb-drive actuators with stroke as large as 245 µm, achieved by employing a novel Clamped Paired Double Parallelogram (C-DP-DP) flexure mechanism. For a given flexure beam length (L1), comb gap (G), and actu ...

5. Nanoscale Friction: Measurement and Analysis
Topic: Nanomechanics
Published: 10/19/2011
Author: Rachel J. Cannara

6. O2 A-band line parameters to support atmospheric remote sensing. Part II: The rare isotopologues
Topic: Nanomechanics
Published: 7/21/2011
Authors: Joseph Terence Hodges, David A Long, Daniel K Havey, S. S. Yu, M Okumura, Charles E Miller
Abstract: Frequency-stabilized cavity ring-down spectroscopy (FS-CRDS) was employed to measure over 100 transitions in the R-branch of the b1Σg+←X3Σg-(0,0) band for the rare O2 isotopologues. The use of 17O- and 18O-enriched mixtures allowed fo ...

7. Structure-property relationships for methyl-terminated alkyl self-assembled monolayers
Topic: Nanomechanics
Published: 7/20/2011
Authors: Frank W DelRio, Dave Rampulla, Cherno Jaye, Gheorghe Stan, Richard Swift Gates, Daniel A Fischer, Robert Francis Cook
Abstract: Structure-property relationships for methyl-terminated alkyl self-assembled monolayers (SAMs) are developed using near-edge X-ray absorption fine structure spectroscopy (NEXAFS) and atomic force microscopy (AFM). NEXAFS C K-edge spectra are used to ...

Topic: Nanomechanics
Published: 6/5/2011
Authors: Houxun H. Miao, Kartik A Srinivasan, Matthew T. Rakher, Marcelo Ishihara Davanco, Vladimir A Aksyuk
Abstract: We report a novel type of fully integrated optomechanical sensor and demonstrate high sensitivity mechanical displacement measurements on chip. We sense the motion of micro and nano-mechanical devices by near field coupling them to high quality facto ...

9. Analysis of high-Q, gallium nitride nanowire resonators in response to deposited thin films
Topic: Nanomechanics
Published: 1/1/2011
Authors: J. R. Montague, M. Dalberth, J. M. Gray, D. Seghete, Kristine A Bertness, S M George, Victor M. Bright, C. T. Rogers, Norman A Sanford
Abstract: Gallium nitride nanowires (GaN-NWs) are systems of interest for mechanical resonance-based sensors due to their small mass and, in the case of c-axis NWs, high mechanical quality (Q) factors of 10,000‹100,000. We report on singly-clamped NW mechanic ...

10. Thickness effect on the viscoelastic properties of polystyrene thin films as measured by thermal wrinkling
Topic: Nanomechanics
Published: 12/29/2010
Authors: Edwin P Chan, Santanu S. Kundu, Qinhuang Lin, Christopher M Stafford
Abstract: The viscoelastic properties of polymer thin films can have a significant impact on the performance in many small-scale devices. In this work, we use thermal wrinkling, which is a phenomenon based on a thermally-initiated instability, to measure visco ...

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