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Temperature depende...
Temperature dependency of structure and order evolution in 2D confined oxide films grown on Al substrates using reactive molecular dynamics
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- Trybula, Marcela (författare)
- KTH,Materialvetenskap,Polish Acad Sci, Inst Met & Mat Sci, Krakow, Poland.
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- Korzhavyi, Pavel A., 1966- (författare)
- KTH,Materialvetenskap
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Vacuum. - : Elsevier BV. - 0042-207X .- 1879-2715. ; 190, s. 110243-
- Relaterad länk:
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https://doi.org/10.1...
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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
- We performed molecular dynamics simulations by using Reactive Force Field method to study the impact of temperature on the structure, topology and order given in terms of configurational entropy of 2D-confined oxide film formed upon thermal oxidation of bare Al surfaces. The presence of O-O connections in 2D-confined oxide films has little impact on Al-O bond length and more pronounced one for coordination of atomic sites. The pentacoordinated Al sites and a random network of oxygen ions in the growing ultrathin oxide film promote the structural disorder. Amorphous structure forms with violated stoichiometry and reduced molar density of the 2Dconfined films.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- Aluminum
- Modelling studies
- Amorphous structures
- Passive film
- Oxidation
- Oxide coating
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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