Thermal- and Laser-Induced Order–Disorder Switching of Ag-Doped Fast-Growth Sb70Te30 Phase-Change Recording Films

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概要

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• Doping Ag into the fast-growth Sb70Te30 recording film can increase the crystallization temperature and activation energy for crystallization so that the archival stability can be improved, however, the initialization will become more difficult. The activation energy for melting of the Ag-doped Sb70Te30 recording films will decrease with Ag concentration so that the recording sensitivity can also be improved. New compounds such as Ag5Te3 and AgSbTe2 will form due to the addition of Ag. When the concentration of Ag was increased, the crystallization mechanisms of the Ag-doped Sb70Te30 recording films will gradually transfer from polyhedral growth to linear growth. Under pulsed laser irradiation, the melt-quenched amorphous zone for the annealed Ag-doped Sb70Te30 recording films will enlarge as the Ag content was increased, representing that the recording sensitivity will increase. However, once the concentration of Ag was increased to 10.8 at. %, the as-deposited Ag-doped Sb70Te30 recording film will become difficult to be initialized.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2007-06-30

著者

• Tsai Song-yeu

  Materials Research Laboratories Industrial Technology Research Institute

• Her Yung-chiun

  Department Of Materials Engineering National Chung Hsing University

• Hsu Yung-sung

  Department Of Materials Engineering National Chung Hsing University

• Cheng Shun-Te

  Materials Research Laboratory, ITRI, Hsinchiu 31040, Taiwan, R.O.C.

• Hsu Yung-Sung

  Department of Materials Engineering, National Chung Hsing University, Taichung 40227, Taiwan, R.O.C.

関連論文

• Structural Phase Transition of AgO_x Sandwiched Between ZnS-SiO_2 Protective Layers Under Thermal and Laser Pulse Annealing for Super-Resolution Near-Field Recording
• The Characteristics of Reactively Sputtered AgO_x Films Prepared at Different Oxygen Flow Ratios and Its Effect on Super-Resolution Near-Field Properties
• Z-Scan Study of Nonlinear Optical Coupling of PtO_x and Ge_2Sb_2Te_5 of Near-Field Optical Recording Structure
• Blue-Laser Readout Properties of Super Resolution Near Field Structure Disc with Inorganic Write-Once Recording Layer
• Thermal and Optical Properties of Organic Dyes for Super-Resolution Recordable Disks
• Optical Properties and Crystallization Characteristics of Ge-Doped Sb_Te_ Phase Change Recording Film
• Nonlinear Optical Properties of the Au-SiO2 Nanocomposite Superresolution Near-field Thin Film
• $Z$-Scan Study of Nonlinear Optical Coupling of PtOx and Ge2Sb2Te5 of Near-Field Optical Recording Structure
• Thermal- and Laser-Induced Order–Disorder Switching of Ag-Doped Fast-Growth Sb70Te30 Phase-Change Recording Films
• Crystallization and Melting Kinetics of Se-Doped Fast-Growth Sb70Te30 Phase-Change Recording Films
• Crystallization and Melting Kinetics of Zn-Doped Fast-Growth Sb70Te30 Phase-Change Recording Films
• Blue-Laser Readout Properties of Super Resolution Near Field Structure Disc with Inorganic Write-Once Recording Layer
• Thermal and Optical Properties of Organic Dyes for Super-Resolution Recordable Disks

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