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Impact of metal oxidation on ice growth and melting
CSIC, ICMM, Inst Ciencia Mat Madrid, C Sor Juana Ines de la Cruz 3, Madrid 28049, Spain.
Univ Seville, CSIC, Inst Ciencia Mat Sevilla ICMSE, Dept Fis Mat Condensada, POB 1065, Seville 41080, Spain.
Nanchang Univ, Dept Phys, Nanchang 330031, Peoples R China; Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Peoples R China.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Processer.ORCID-id: 0000-0003-2076-7228
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2025 (engelsk)Inngår i: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 111, nr 8, artikkel-id 085407Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this paper, we investigate the Casimir-Lifshitz free energy mechanism that governs both ice growth and melting near metal surfaces, with a particular focus on the role of oxidation. Our study reveals that metals such as gold, iron, and aluminum induce incomplete premelting, resulting in micron-sized liquid water layers when in contact with ice. These layers could have significant implications for the defrosting of metallic surfaces. When exposed to water vapor at the triple point, aluminum and other metals can induce the formation of notably thick layers of either liquid water or ice, which can theoretically become infinitely thick if other interactions are disregarded. However, when aluminum undergoes oxidation to form alumina, its behavior changes dramatically. Alumina surfaces cause complete melting when in direct contact with bulk ice and result in only micron-sized layers of water or ice in vapor conditions. In contrast, magnetite, the oxidized form of iron, retains metalliclike behavior due to its high dielectric constant, similar to other metals, and continues to support thick layers of water or ice. This distinction highlights the significant influence of oxidation on the dynamics of ice growth and melting near different metal surfaces.

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American Physical Society (APS) , 2025. Vol. 111, nr 8, artikkel-id 085407
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URN: urn:nbn:se:kth:diva-363559DOI: 10.1103/PhysRevB.111.085407ISI: 001460755700003Scopus ID: 2-s2.0-85216428550OAI: oai:DiVA.org:kth-363559DiVA, id: diva2:1959082
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QC 20250519

Tilgjengelig fra: 2025-05-19 Laget: 2025-05-19 Sist oppdatert: 2025-05-20bibliografisk kontrollert

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