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Publication Detail
Focused Ion Beam NanoSQUIDs as Novel NEMS Resonator Readouts
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Proceedings Paper
  • Authors:
    Hao L, Gallop JC, Cox D, Romans EJ, Macfarlane JC, Chen J
  • Publisher:
    IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
  • Publication date:
    06/2009
  • Pagination:
    693, 696
  • Journal:
    IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
  • Volume:
    19
  • Issue:
    3
  • Country:
    Chicago, IL
  • Print ISSN:
    1051-8223
  • Language:
    EN
  • Keywords:
    Mechanical resonators, NanoSQUIDs, NEMS
  • Addresses:
    Hao, L
    Natl Phys Lab
    Teddington
    TW11 0LW
    Middx
    England
Abstract
Nano electromechanical systems (NEMS) represent an important new class of device with wide ranging applications. In this paper we report proposals and calculations for novel methods for excitation and readout of cantilever-style NEMS resonators which are applicable over a wide temperature range. We suggest a Lorentz force-based excitation method and discuss an ultrasensitive readout provided by a nanoSQUID, where the cantilever vibration modulates the inductance of the nanoSQUID loop, allowing potentially sub-picometer amplitude sensitivity to be achieved.
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