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Localization of the phantom force induced by the tunneling current

Wutscher, Thorsten, Weymouth, Alfred J. and Giessibl, Franz J. (2012) Localization of the phantom force induced by the tunneling current. Physical Review B (PRB) 85 (19), 195426-1-195426-6.

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Date of publication of this fulltext: 05 Jul 2012 06:06

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.85.195426


The phantom force is an apparently repulsive force, which can dominate the atomic contrast of an AFM image when a tunneling current is present. We described this effect with a simple resistive model, in which the tunneling current causes a voltage drop at the sample area underneath the probe tip. Because tunneling is a highly local process, the areal current density is quite high, which leads to ...


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Item type:Article
Date:14 May 2012
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Franz J. Giessibl
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen, GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis
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Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:25267
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