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Crystal Phases in Hybrid Metal-Semiconductor Nanowire Devices
- Source :
- Nano letters, 17 (2017): 2336–2341. doi:10.1021/acs.nanolett.6b05223, info:cnr-pdr/source/autori:David J.; Rossella F.; Rocci M.; Ercolani D.; Sorba L.; Beltram F.; Gemmi M.; Roddaro S./titolo:Crystal Phases in Hybrid Metal-Semiconductor Nanowire Devices/doi:10.1021%2Facs.nanolett.6b05223/rivista:Nano letters (Print)/anno:2017/pagina_da:2336/pagina_a:2341/intervallo_pagine:2336–2341/volume:17
- Publication Year :
- 2017
-
Abstract
- We investigate the metallic phases observed in hybrid metal-GaAs nanowire devices obtained by controlled thermal annealing of Ni/Au electrodes. Devices are fabricated onto a SiN membrane compatible with transmission electron microscopy studies. Energy dispersive X-ray spectroscopy allows us to show that the nanowire body includes two Ni-rich phases that thanks to an innovative use of electron diffraction tomography can be unambiguously identified as Ni3GaAs and Ni5As2 crystals. The mechanisms of Ni incorporation leading to the observed phenomenology are discussed.
- Subjects :
- thermal annealing
GaAs nanowires
Materials science
Nanowire
Bioengineering
hybrid metal-semiconductor nanowires
hybrid metal−semiconductor nanowire
02 engineering and technology
010402 general chemistry
01 natural sciences
Crystal
Metal
transmission electron microscopy
General Materials Science
Spectroscopy
Electron diffraction tomography
business.industry
Mechanical Engineering
hybrid metal−semiconductor nanowires
General Chemistry
GaAs nanowire
021001 nanoscience & nanotechnology
Condensed Matter Physics
0104 chemical sciences
Crystallography
Membrane
Electron diffraction
Transmission electron microscopy
visual_art
Electrode
visual_art.visual_art_medium
Optoelectronics
0210 nano-technology
business
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Nano letters, 17 (2017): 2336–2341. doi:10.1021/acs.nanolett.6b05223, info:cnr-pdr/source/autori:David J.; Rossella F.; Rocci M.; Ercolani D.; Sorba L.; Beltram F.; Gemmi M.; Roddaro S./titolo:Crystal Phases in Hybrid Metal-Semiconductor Nanowire Devices/doi:10.1021%2Facs.nanolett.6b05223/rivista:Nano letters (Print)/anno:2017/pagina_da:2336/pagina_a:2341/intervallo_pagine:2336–2341/volume:17
- Accession number :
- edsair.doi.dedup.....20e523441f92082e364210e15e0555d2