Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 137, Issue 5, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4739538
Keywords
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Funding
- Deutsche Forschungsgemeinschaft (DFG) [DFG MA 15477]
- Research Department Interfacial Systems Chemistry (RD IFSC)
- Fonds der Chemischen Industrie (FCI)
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Wet iron-sulfur minerals have been shown to be ideal environments to allow for simple chemical reactions to occur in nature, for instance, in the framework of prebiotic chemistry. Yet, not much is known about such water/mineral interfaces beyond those involving pyrite, FeS2, which is, however, chemically rather inert. In contrast, mackinawite is chemically reactive and consists of a layered crystal structure comprising FeS sheets that can be easily cleaved. Here, the properties of water confined between such sheets in lamella-like setups is investigated in the spirit of surface science model systems. The properties of this intercalated water are found to depend significantly on the interlayer distance and change from arrested water (in the limit of small interlayer distances) to liquid-like behavior. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4739538]
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