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Tellurium Alloys for Reversible Optical Data Storage

Published online by Cambridge University Press:  28 February 2011

R. T. Young ,
D. Strand ,
J. Gonzalez-Hernandez  and
S. R. Ovshinsky
R. T. Young
Affiliation:
Energy Conversion Devices, Inc., 1675 West Maple Road, Troy, Michigan 48084
D. Strand
Affiliation:
Energy Conversion Devices, Inc., 1675 West Maple Road, Troy, Michigan 48084
J. Gonzalez-Hernandez
Affiliation:
Energy Conversion Devices, Inc., 1675 West Maple Road, Troy, Michigan 48084
S. R. Ovshinsky
Affiliation:
Energy Conversion Devices, Inc., 1675 West Maple Road, Troy, Michigan 48084
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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.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 70: Symposium E – Materials Issues in Amorphous-Semiconductor Technology , 1986 , 697
Copyright
Copyright © Materials Research Society 1986

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References

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