Tellurium Alloys for Reversible Optical Data Storage

Abstract

Tellurium-based chalcogenide alloys, which are used for electronic switch materials, also have the appropriate optical and thermal properties for reversible optical data recording. One of the major concerns encountered with this type of phase change material is that there can be two contradictory characteristics of the material, i.e., the amorphous phase thermal stability and the crystallization rate are involved. We have demonstrated, in this paper, that this problem can be solved. We report that certain transition metal elements added to Te alloy films can substantially improve the rate of crystallization without any reduction of the amorphous phase stability.

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Correspondence to R. T. Young.

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Young, R.T., Strand, D., Gonzalez-Hernandez, J. et al. Tellurium Alloys for Reversible Optical Data Storage. MRS Online Proceedings Library 70, 697–703 (1986). https://doi.org/10.1557/PROC-70-697

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