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Dissipation in nanocrystalline-diamond nanomechanical resonators

Hutchinson, A. B. and Truitt, P. A. and Schwab, K. C. and Sekaric, L. and Parpia, J. M. and Craighead, H. G. and Butler, J. E. (2004) Dissipation in nanocrystalline-diamond nanomechanical resonators. Applied Physics Letters, 84 (6). pp. 972-974. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:20090911-092252757

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Abstract

We have measured the dissipation and frequency of nanocrystalline-diamond nanomechanical resonators with resonant frequencies between 13.7 MHz and 157.3 MHz, over a temperature range of 1.4–274 K. Using both magnetomotive network analysis and a time-domain ring-down technique, we have found the dissipation in this material to have a temperature dependence roughly following T^(0.2), with Q^(–1) ≈ 10^(–4) at low temperatures. The frequency dependence of a large dissipation feature at ~35–55 K is consistent with thermal activation over a 0.02 eV barrier with an attempt frequency of 10 GHz.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1646213DOIUNSPECIFIED
http://link.aip.org/link/?APPLAB/84/972/1PublisherUNSPECIFIED
Additional Information:©2004 American Institute of Physics. Received 29 September 2003; accepted 9 December 2003. The authors thank Olivier Buu, Art Vandelay, Elinor Irish, and Hidehiro Yoshida for fruitful discussions. This work was funded by the National Security Agency, DARPA/MTO, and the National Science Foundation. # 85.85.+j Micro- and nano-electromechanical systems (MEMS/NEMS) and devices # 07.10.Cm Micromechanical devices and systems
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Funding AgencyGrant Number
National Security AgencyUNSPECIFIED
Defense Advanced Research Projects AgencyUNSPECIFIED
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Subject Keywords:diamond; nanostructured materials; micromechanical resonators; cooling
Record Number:CaltechAUTHORS:20090911-092252757
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20090911-092252757
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:15768
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:14 Sep 2009 16:14
Last Modified:26 Dec 2012 11:21

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