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Phase-change materials

Designing optical media of the future

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Over the past two decades, the optical recording industry has empirically improved the properties of phase-change materials for rewritable discs. Now a first step has been taken to use computational design to improve these materials.

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Figure 1: Schematic representation of a Blu-ray optical recording system.
Figure 2: The Ge–Sb–Te ternary system.

Philips Research

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Authors and Affiliations

  1. is at NXP Semiconductors, Eindhoven, 5656, AA, The Netherlands

    Friso Jedema

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  1. Friso Jedema
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Jedema, F. Designing optical media of the future. Nature Mater 6, 90–91 (2007). https://doi.org/10.1038/nmat1832

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