Binary alloys of Ge and Te: order, voids, and the eutectic composition.

@article{Akola2008BinaryAO,
  title={Binary alloys of Ge and Te: order, voids, and the eutectic composition.},
  author={Jaakko Akola and Robert O. Jones},
  journal={Physical review letters},
  year={2008},
  volume={100 20},
  pages={205502}
}
The liquid and amorphous structures of Ge0.15Te0.85 and GeTe alloys are characterized using combined density functional/molecular dynamics simulations. Te is threefold coordinated, in contrast with predictions of the "8-N rule," and Ge atoms (fourfold coordinated) show octahedral and tetrahedral bonding angles. Cubic local environment occurs in both materials, and GeTe shows a pronounced alternation of atomic types. Tetrahedral Ge coordination is more common in the eutectic Ge0.15Te0.85, which… CONTINUE READING

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