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Prospects of doped Sb-Te phase-change materials for high-speed recording

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5 Author(s)
L. van Pieterson ; Philips Res. Labs., Eindhoven, Netherlands ; M. H. R. Lankhorst ; M. van Schijndel ; B. A. J. Jacobs
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Materials optimization is a very important aspect in high-speed optical recording. It is observed that for doped Sb-Te phase-change materials, a high crystallization rate at elevated temperatures is often accompanied by a low archival life stability and high media noise. Although crystallization rate can be increased easily by tuning the phase-change material composition, the involved low archival life stability and/or high media noise may be a drawback for the application of doped Sb-Te materials in (ultra) high-speed recording.

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Optical Memory and Optical Data Storage Topical Meeting, 2002. International Symposium on

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