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《Chinese Optics Letters》 2010年01期
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Femtosecond laser microstructuring of nickel foil

贾威  周彬  李珣  柴路  章若冰  王清月  
【摘要】:正We observe the morphological change and grain structure of Ni foil when it is ablated with femtosecond laser pulses.Scanning electron microscopy and field emission transmission electron microscopy are used to study the nature of the morphology and grain structure of nickel foil and determine the essential features.The results indicate that there are many random nanostructures in the center of the ablated region composed of nanocrystalline grains as well as some core-shell structures.The observed morphologies seem to suggest that phase explosion and extremely high cooling rate are the most probable physical mechanisms responsible for the formation of surface nanostructures.

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【参考文献】
中国期刊全文数据库 前1条
1 韩泽华;周常河;戴恩文;;Ultrafast thermoelasticity modeling of microbump formation irradiated by femtosecond laser[J];Chinese Optics Letters;2008年08期
【共引文献】
中国期刊全文数据库 前2条
1 马利红;张冬仙;刘超;章海军;;Theoretical modelling and experimental study of novel photothermal microactuators[J];Chinese Optics Letters;2009年08期
2 谢金;周常河;王伟;武腾飞;;Femtosecond laser induced microripple on PDMS surface[J];Chinese Optics Letters;2009年08期
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