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Signatures of bandl...
Signatures of bandlike tunneling in granular nanowires
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- Fransson, Jonas (author)
- Uppsala universitet,KTH,Materialvetenskap,Fysiska institutionen,Teoretisk magnetism
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Lin, J F (author)
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Rotkina, L (author)
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Bird, J P (author)
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Bennett, P A (author)
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(creator_code:org_t)
- 2005
- 2005
- English.
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In: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 72:11, s. 113411-
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Condensed matter physics
- Kondenserade materiens fysik
- Mesoscopic physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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