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Do the twist to get fit

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  • Pauline Rigby

    (Oxford University)

Abstract

The substrate problem is a big one for the optoelectronics industry. It is only possible to grow good quality material, without any of the defects that prevent light emission, if a substrate can be found with an almost identical atomic spacing to the layer grown on it. For some material systems there is no lattice-matched substrate available. But by adding a twist, a gallium arsenide substrate can be made stretchy — effectively a universal substrate.

Suggested Citation

  • Pauline Rigby, 1997. "Do the twist to get fit," Nature, Nature, vol. 388(6637), pages 29-30, July.
    • Handle: RePEc:nat:nature:v:388:y:1997:i:6637:d:10.1038_40293
    DOI: 10.1038/40293
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