Linked Reactivity at Mineral-Water Interfaces Through Bulk Crystal Conduction

@article{Yanina2008LinkedRA,
  title={Linked Reactivity at Mineral-Water Interfaces Through Bulk Crystal Conduction},
  author={S. Yanina and K. Rosso},
  journal={Science},
  year={2008},
  volume={320},
  pages={218 - 222}
}
The semiconducting properties of a wide range of minerals are often ignored in the study of their interfacial geochemical behavior. We show that surface-specific charge density accumulation reactions combined with bulk charge carrier diffusivity create conditions under which interfacial electron transfer reactions at one surface couple with those at another via current flow through the crystal bulk. Specifically, we observed that a chemically induced surface potential gradient across hematite… Expand

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Hematite(001)-liquid water interface from hybrid density functional-based molecular dynamics.
Proton Dynamics on Goethite Nanoparticles and Coupling to Electron Transport.
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