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Manipulation of thi...
Manipulation of thin silver film growth on weakly interacting silicon dioxide substrates using oxygen as a surfactant
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- Pliatsikas, Nikolaos (författare)
- Linköpings universitet,Nanodesign,Tekniska fakulteten
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- Jamnig, Andreas (författare)
- Linköpings universitet,Nanodesign,Tekniska fakulteten,Univ Poitiers, France
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- Konpan, Martin (författare)
- Linköpings universitet,Nanodesign,Tekniska fakulteten
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- Delimitis, Andreas (författare)
- Univ Stavanger, Norway
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- Abadias, Gregory (författare)
- Univ Poitiers, France
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- Sarakinos, Kostas (författare)
- Linköpings universitet,Nanodesign,Tekniska fakulteten
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(creator_code:org_t)
- A V S AMER INST PHYSICS, 2020
- 2020
- Engelska.
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Ingår i: Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films. - : A V S AMER INST PHYSICS. - 0734-2101 .- 1520-8559. ; 38:4
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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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
- The authors study the morphological evolution of magnetron-sputtered thin silver (Ag) films that are deposited on weakly interacting silicon dioxide (SiO2) substrates in an oxygen-containing (O-2) gas atmosphere. In situ and real-time monitoring of electrically conductive layers, along with ex situ microstructural analyses, shows that the presence of O-2, throughout all film-formation stages, leads to a more pronounced two-dimensional (2D) morphology, smoother film surfaces, and larger continuous-layer electrical resistivities, as compared to Ag films grown in pure argon (Ar) ambient. In addition, the authors data demonstrate that 2D morphology can be promoted, without compromising the Ag-layer electrical conductivity, if O-2 is deployed with high temporal precision to target film formation stages before the formation of a percolated layer. Detailed real-space imaging of discontinuous films, augmented by in situ growth monitoring data, suggests that O-2 favors 2D morphology by affecting the kinetics of initial film-formation stages and most notably by decreasing the rate of island coalescence completion. Furthermore, compositional and bonding analyses show that O-2 does not change the chemical nature of the Ag layers and no atomic oxygen is detected in the films, i.e., O-2 acts as a surfactant. The overall results of this study are relevant for developing noninvasive surfactant-based strategies for manipulating noble-metal-layer growth on technologically relevant weakly interacting substrates, including graphene and other 2D crystals.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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