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Membrane-based scanning force microscopy

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arxiv 2006.06238 v1 pith:OX3Y4DDL submitted 2020-06-11 physics.app-ph cond-mat.mes-hall

Membrane-based scanning force microscopy

classification physics.app-ph cond-mat.mes-hall
keywords forcescanningmembranedevelopmentinstrumentmicroscopesamplesdemonstrate
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We report the development of a scanning force microscope based on an ultra-sensitive silicon nitride membrane transducer. Our development is made possible by inverting the standard microscope geometry - in our instrument, the substrate is vibrating and the scanning tip is at rest. We present first topography images of samples placed on the membrane surface. Our measurements demonstrate that the membrane retains an excellent force sensitivity when loaded with samples and in the presence of a scanning tip. We discuss the prospects and limitations of our instrument as a quantum-limited force sensor and imaging tool.

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