Formation and stability of the platinum and rhodium oxides at high oxygen pressures and the structures of Pt3O4, β-PtO2 and RhO2

@inproceedings{Muller1968FormationAS,
  title={Formation and stability of the platinum and rhodium oxides at high oxygen pressures and the structures of Pt3O4, β-PtO2 and RhO2},
  author={Olaf Muller and Rustum Roy},
  year={1968}
}
Abstract The systems Pt-O and Rh-O have been investigated at high oxygen pressures (up to 3500 atm) and temperatures ranging from 400 ° to nearly 900 °C. Three platinum oxide phases were found: the hexagonal α-PtO2, already described in the literature, a new phase, β-PtO2 (CaCl2 structure), and Pt3O4 (NaxPt3O4 structure). β-PtO2 andPt3O4 are black, highly insoluble solids, which can be easily synthesized in bulk at high oxygen pressures. The tetragonal PtO phase reported by Moore and Pauling… CONTINUE READING

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