Abstract
This paper first reviews recent progress in the understanding of the nanometer-scale mechanism of reversible photostructural changes in chalcogenide glasses, and its relevance to various photo-induced phenomena. Then the principles of phase-change optical recording are described. Finally, a novel technique for overcoming the diffraction limit in optical recording is considered, namely the super-resolution near-field structure. This technique, used in combination with multicomponent Te-based chalcogenides as a recording medium, is believed to be a prototype for future optical-storage devices.
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Kolobov, A.V., Tominaga, J. Chalcogenide glasses as prospective materials for optical memories and optical data storage. Journal of Materials Science: Materials in Electronics 14, 677–680 (2003). https://doi.org/10.1023/A:1026166701612
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DOI: https://doi.org/10.1023/A:1026166701612