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Strong Schottky bar...
Strong Schottky barrier reduction at Au-catalyst/GaAs-nanowire interfaces by electric dipole formation and Fermi-level unpinning
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- Suyatin, Dmitry (författare)
- Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden
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- Jain, Vishal (författare)
- Högskolan i Halmstad,Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Tillämpad matematik och fysik (MPE-lab),Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden,Nanovetenskap
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- Nebol’sin, Valery A (författare)
- Voronezh State Technical University, Voronezh, Russian Federation
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- Trägårdh, Johanna (författare)
- Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Messing, Maria (författare)
- Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Faculty of Engineering, LTH,Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Wagner, Jakob (författare)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Division of Polymer and Materials Chemistry, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Persson, Olof (författare)
- Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Synchrotron Radiation Research, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Timm, Rainer (författare)
- Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Synchrotron Radiation Research, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Mikkelsen, Anders (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Synchrotron Radiation Research, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Maximov, Ivan (författare)
- Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Samuelson, Lars (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden,Nanometerkonsortiet
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- Pettersson, Håkan (författare)
- Högskolan i Halmstad,Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Tillämpad matematik och fysik (MPE-lab),Division of Solid State Physics, Nanometer Structure Consortium, Lund University, Lund, Sweden,Nanovetenskap
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(creator_code:org_t)
- 2014-02-03
- 2014
- Engelska.
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Ingår i: Nature Communications. - London : Springer Science and Business Media LLC. - 2041-1723. ; 5
- Relaterad länk:
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http://dx.doi.org/10...
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https://www.nature.c...
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https://doi.org/10.1...
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https://hh.diva-port... (primary) (Raw object)
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https://lup.lub.lu.s...
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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
- Nanoscale contacts between metals and semiconductors are critical for further downscaling of electronic and optoelectronic devices. However, realizing nanocontacts poses significant challenges since conventional approaches to achieve ohmic contacts through Schottky barrier suppression are often inadequate. Here we report the realization and characterization of low n-type Schottky barriers (~0.35 eV) formed at epitaxial contacts between Au-In alloy catalytic particles and GaAs-nanowires. In comparison to previous studies, our detailed characterization, employing selective electrical contacts defined by high-precision electron beam lithography, reveals the barrier to occur directly and solely at the abrupt interface between the catalyst and nanowire. We attribute this lowest-to-date-reported Schottky barrier to a reduced density of pinning states (~1017 m−2) and the formation of an electric dipole layer at the epitaxial contacts. The insight into the physical mechanisms behind the observed low-energy Schottky barrier may guide future efforts to engineer abrupt nanoscale electrical contacts with tailored electrical properties.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology -- Nano-technology (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Nyckelord
- Schottky nanocontact
- catalytic nanoparticle
- nanoelectronic device
- photodetector
- electron beam lithography
- high-precision alignment
- scanning tunneling microscopy
- Nanoschottky contact
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Suyatin, Dmitry
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Jain, Vishal
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Nebol’sin, Valer ...
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Trägårdh, Johann ...
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Messing, Maria
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Wagner, Jakob
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Persson, Olof
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Timm, Rainer
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Mikkelsen, Ander ...
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Maximov, Ivan
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Samuelson, Lars
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Pettersson, Håka ...
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