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Signatures of bandl...
Signatures of bandlike tunneling in granular nanowires
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- Fransson, Jonas (författare)
- Uppsala universitet,KTH,Materialvetenskap,Fysiska institutionen,Teoretisk magnetism
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Lin, J F (författare)
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Rotkina, L (författare)
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Bird, J P (författare)
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Bennett, P A (författare)
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(creator_code:org_t)
- 2005
- 2005
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 72:11, s. 113411-
- Relaterad länk:
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http://link.aps.org/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- We explore the problem of tunneling through disorderd nanowires, comprised of a random distribution of metallic grains, by means of a many-body model that captures the essential physics of the system. The random configuration of grains gives rise to a smooth bandlike set of states that mediates current flow through the nanowires. Analytical and numerical calculations show the characteristic signature of this unusual bandlike transport to be a quadratic variation of the current as a function of the applied voltage (i.e., I similar to V-2), a variation that is clearly observed in experimental studies of Pt/C composite nanowires.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Condensed matter physics
- Kondenserade materiens fysik
- Mesoscopic physics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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