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Nanowire friction w...
Nanowire friction with an applied bias
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- Pettersson, Håkan, 1962- (författare)
- Högskolan i Halmstad,Tillämpad matematik och fysik (MPE-lab),Nanovetenskap
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- Conache, Gabriela, 1977- (författare)
- Lund University, Solid State Physics, Box 118, 22100, Lund, Sweden,Nanovetenskap
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- Gray, Struan (författare)
- Avd. f. Fasta Tillståndets Fysik, Lunds Universitet, Sweden,Nanometerkonsortiet
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- Ribayrol, Aline (författare)
- Avd. f. Fasta Tillståndets Fysik, Lunds Universitet, Sweden,Nanometerkonsortiet
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- Fröberg, Linus (författare)
- Avd. f. Fasta Tillståndets Fysik, Lunds Universitet, Sweden,Nanometerkonsortiet
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- Samuelson, Lars (författare)
- Avd. f. Fasta Tillståndets Fysik, Lunds Universitet, Sweden,Nanometerkonsortiet
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- Montelius, Lars (författare)
- Avd. f. Fasta Tillståndets Fysik, Lunds Universitet, Sweden,Nanometerkonsortiet
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(creator_code:org_t)
- American Physical Society, 2010
- 2010
- Engelska.
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Ingår i: Bulletin of the American Physical Society. - : American Physical Society.
- Relaterad länk:
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http://meetings.aps....
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https://hh.diva-port...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Recently, we have shown how the friction experienced by nanowires pushed by an AFM tip can be determined by measuring their radius of curvature after manipulation [1]. It is of fundamental interest to know whether the wires behave like macroscopic objects, or if they are more like true atomic-scale point contacts where friction becomes independent of the applied normal force. Here we study how the friction between InAs nanowires and a SiN layer on conductive silicon varies when a DC voltage is applied. The tip charges the capacitor formed by the wire and the silicon back contact, causing attractive Coulomb forces and so increasing the contact pressure. A monotonic increase of the sliding friction with voltage was observed. This implies that the friction increases with the normal force and that this mesoscopic system behaves more like a macroscopic contact, despite being only nanometers in size in the direction of motion.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Physics
- Fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)