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Towards the origin of the shear force in near-field microscopy

Title data

Schüttler, Martin ; Leuschner, Mirko ; Lippitz, Markus ; Rühle, Wolfgang W. ; Giessen, Harald:
Towards the origin of the shear force in near-field microscopy.
In: Japanese Journal Of Applied Physics / 1. Vol. 40 (February 2001) Issue 2A . - pp. 813-818.
ISSN 0021-4922
DOI: https://doi.org/10.1143/JJAP.40.813

Abstract in another language

The shear force from a gold or a graphite sample acting on an approaching near-field optical probe is studied in detail. The adiabatic and dissipative contributions to the force are clearly distinguished by monitoring the amplitude as well as the phase of the tip vibration when the tip approaches the surfaces. We also take into account that not only the damping and the resonance frequency but also the mass of the system changes when the tip approaches the surface. The relative strength of the contributions to the force varies differently but characteristically with the distance of the two samples, starting at a much larger distance in the case of graphite. The adiabatic contribution is larger in the case of the gold sample. Measurements at various temperatures are performed using the gold sample, showing a dependence of the shear force on the varying conditions.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik > Lehrstuhl Experimentalphysik III - Nanooptik - Univ.-Prof. Dr. Markus Lippitz
Faculties > Faculty of Mathematics, Physics und Computer Science
Result of work at the UBT: No
DDC Subjects: 500 Science
500 Science > 500 Natural sciences
500 Science > 530 Physics
Date Deposited: 17 Dec 2015 08:27
Last Modified: 17 Dec 2015 08:27
URI: https://eref.uni-bayreuth.de/id/eprint/28976