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Growth of semi-cohe...
Growth of semi-coherent Ni and NiO dual-phase nanoparticles using hollow cathode sputtering
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- Ekeroth, Sebastian (författare)
- Linköpings universitet,Plasma och ytbeläggningsfysik,Tekniska fakulteten
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- Ikeda, Shuga (författare)
- Tokyo Metropolitan Univ, Japan
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- Boyd, Robert (författare)
- Linköpings universitet,Plasma och ytbeläggningsfysik,Tekniska fakulteten
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- Shimizu, Tetsuhide (författare)
- Tokyo Metropolitan Univ, Japan
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- Helmersson, Ulf (författare)
- Linköpings universitet,Plasma och ytbeläggningsfysik,Tekniska fakulteten
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(creator_code:org_t)
- 2019-02-13
- 2019
- Engelska.
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Ingår i: Journal of nanoparticle research. - : SPRINGER. - 1388-0764 .- 1572-896X. ; 21:2
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://link.springe...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Anisotropic heterogenous Ni/NiO nanoparticles with controlled compositions are grown using a high-power pulsed hollow cathode process. These novel particles can be tuned to consist of single-phase Ni via two-phase Ni/NiO to fully oxidized NiO, with a size range of 5-25 nm for individual crystals. A novelty of this approach is the ability to assemble multiple particles of Ni and NiO into a single complex structure, increasing the Ni-NiO interface density. This type of particle growth is not seen before and is explained to be due to the fact that the process operates in a single-step approach, where both Ni and O can arrive at the formed nanoparticle nuclei and aid in the continuous particle growth. The finished particle will then be a consequence of the initially formed crystal, as well as the arrival rate ratio of the two species. These particles hold great potential for applications in fields, such as electro- and photocatalysis, where the ability to control the level of oxidation and/or interface density is of great importance.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Ni; NiO; Anisotropic; Nanoparticles; Hollow cathode; Nanoparticle assembly
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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