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SCANNING ACOUSTIC FORCE MICROSCOPE DETECTION OF SAWS

Abstract:

We present a novel method for the investigation of surface acoustic wave (SAW) fields with nanometer resolution by a scanning acoustic force microscope (SAFM). The detection of ultrasound by a force microscope is connected with the nonlinear dependence of the force on the distance between the tip and the surface. Due to this nonlinearity there is an effective shift of the mean position of the tip if one modulates the gap distance by a propagating SAW. Furthermore, the surface charges influenc...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Volume:
1
Pages:
363-366
Publication date:
1994-01-01
ISSN:
1051-0117
URN:
uuid:c0da025a-4b6b-431b-b397-ae329314dba1
Source identifiers:
151665
Local pid:
pubs:151665
ISBN:
0-7803-2012-3

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