Kagomé in triangular lattice: electronic state of CoO₂ layer with hexagonal structure
Koshibae, W. · Maekawa, S.
Original · EN
The electronic state in layered cobalt oxides with hexagonal structure is examined. We find that the electronic structure reflects the nature of the Kagomé lattice hidden in the CoO₂ layer which consists of stacked triangular lattices of oxygen ions and of cobalt ions. A fundamental model for the electron system is proposed and the mechanism of the unique transport and magnetic properties of the cobalt oxides are discussed in the light of the model.
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