Structural refinements of high-pressure phases in germanium dioxide.

@article{Shiraki2003StructuralRO,
  title={Structural refinements of high-pressure phases in germanium dioxide.},
  author={Koichi Shiraki and Taku Tsuchiya and Shigeaki Ono},
  journal={Acta crystallographica. Section B, Structural science},
  year={2003},
  volume={59 Pt 6},
  pages={701-8}
}
Recently, there has been substantial interest in the new high-pressure polymorphs of GeO2 synthesized in the laboratory. Previous investigators reported the synthesis of 'CaCl2-type', 'alpha-PbO2-type' and 'pyrite-type (modified-fluorite-type)' GeO2 at pressures of 30-130 GPa in laser-heated diamond anvil cells. In order to provide definitive information about the new high-pressure polymorphs, we performed Rietveld refinements of the structures. The structure refinements confirm that two of… CONTINUE READING

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