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Photoinduced second harmonic generation of Bi2S3 microcrystallite doped silica glass

Hongbing CHEN , Hai ping XIA , Congshan ZHU , Fuxi GAN

材料科学技术(英文)

Silica glasses doped with Bi2S3 microcystallite was prepared by the sol-gel process. Photoinduced second harmonic generation (SHG) was observed in the glass when it was irradiated with intense 1.06 μm and frequency doubled laser beams from a mode-locked Nd: YAG laser. It was found that the signal in...

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Effect of Initialization Technical Parameters on Optical Absorption of Ge2Sb2Te5 Thin Films

Ming FANG , Qinghui LI , Fuxi GAN

材料科学技术(英文)

The optical absorption properties of phase-change optical recording thin films subjected to various initialization conditions were investigated. The effects of initialization power and velocity on optical constants of the Ge2Sb2Te5 thin films were also studied. The energy gap of Ge2Sb2Te5 thin films...

关键词: Phase transformation , null , null , null , null

TeOx Thin Films for Write-Once Optical Recording Media

Qinghui LI , Donghong GU , Fuxi GAN

材料科学技术(英文)

TeOx thin films were prepared by vacuum evaporation of TeO2 powder. Structural characteristic and surface morphology of the as-deposited films was analyzed by using X-ray photoelectron spectroscopy, transmission electron microscopy, X-ray diffractometer and atomic force microscopy. It was found that...

关键词: TeO¬ , null , null , null , null

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