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Structural Properti...
Structural Properties of Wurtzite InP-InGaAs Nanowire Core-Shell Heterostructures
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- Heurlin, Magnus (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
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Stankevic, Tomas (författare)
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Mickevicius, Simas (författare)
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- Yngman, Sofie (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
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- Lindgren, David (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
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- Mikkelsen, Anders (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
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Feidenhans'l, Robert (författare)
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- Borgström, Magnus (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
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- Samuelson, Lars (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
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(creator_code:org_t)
- 2015-03-05
- 2015
- Engelska.
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Ingår i: Nano Letters. - : American Chemical Society (ACS). - 1530-6992 .- 1530-6984. ; 15:4, s. 2462-2467
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We report on growth and characterization of wurtzite InP-In1-xGaxAs core-shell nanowire heterostructures. A range of nanowire structures with different Ga concentration in the shell was characterized with transmission electron microscopy and X-ray diffraction. We found that the main part of the nanowires has a pure wurtzite crystal structure, with occasional stacking faults occurring only at the top and bottom. This allowed us to determine the structural properties of wurtzite In1-xGaxAs. The InP-In1-xGaxAs core-shell nanowires show a triangular and hexagonal facet structure of {1100} and {10 (10) over bar} planes. X-ray diffraction measurements showed that the core and the shell are pseudomorphic along the c-axis, and the strained axial lattice constant is closer to the relaxed In1-xGaxAs shell. Microphotoluminescence measurements of the nanowires show emission in the infrared regime, which makes them suitable for applications in optical communication.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology -- Nano-technology (hsv//eng)
Nyckelord
- Nanowire
- core-shell
- wurtzite
- X-ray diffraction
- InP
- InGaAs
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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