Identification of Ag37Sn33Te30 Phase-Change Films for Optical Data Storage

Chin. Phys. Lett.

2005, Vol. 22

Issue (6): 1436-1438 DOI:

Original Articles

Identification of Ag₃₇Sn₃₃Te₃₀ Phase-Change Films for Optical Data Storage

ZHANG Xue-Ru

Department of Physics, Harbin Institute of Technology, Harbin 150001

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ZHANG Xue-Ru 2005 Chin. Phys. Lett. 22 1436-1438

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Abstract The Ag₃₇Sn₃₃Te₃₀ film has been investigated to determine its suitability as phase change optical recording alloy based on static tester and atomic force microscopy measurements. Switching properties and the recording bit topography of the film are studied. With a writing pulse of power 2.5mW, width 10μs, and an erasure pulse of power 0.25mW, width 10μs, optical contrast of 31.8% is obtained. Re-crystallization experiments identify the Ag₃₇Sn₃₃Te₃₀ film as a suitable phase change material for optical data storage with a complete erasure time of 1.1μs at low erasure power.

Keywords: 42.70.Ln 68.55.Jk 81.30.Hd

Published: 01 June 2005

PACS:	42.70.Ln	(Holographic recording materials; optical storage media)
	68.55.Jk
	81.30.Hd	(Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I6/01436

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