Thermocavitation melt instability and micro-crown formation near the threshold for femtosecond laser spallation of a silicon surface

JETP Letters ◽  
2014 ◽  
Vol 100 (3) ◽  
pp. 145-149 ◽  
Author(s):  
V. I. Emel’yanov ◽  
P. A. Danilov ◽  
D. A. Zayarnyi ◽  
A. A. Ionin ◽  
S. I. Kudryashov ◽  
...  
2012 ◽  
Vol 16 ◽  
pp. 15-20 ◽  
Author(s):  
Omid Tayefeh Ghalehbeygi ◽  
Vural Kara ◽  
Levent Trabzon ◽  
Selcuk Akturk ◽  
Huseyin Kizil

We fabricated Si Nano-columns by a femtosecond laser with various wavelengths and process parameters, whilst the specimen was submerged in water. The experiments were carried out by three types of wavelengths i.e. 1030 nm, 515nm, 343nm, with 500 fs laser pulses. The scales of these spikes are much smaller than micro spikes that are constructed by laser irradiation of silicon surface in vacuum or gases like SF6, Cl2. The Si nano-columns of 300 nm or less in width were characterized by SEM measurements. The formation of these Si Nano-columns that were revealed by SEM observation, indicates chemical etching with laser ablation occurred when surface exposed by laser beam. We observed 200 nm spikes height at the center of laser beam profile and the ones uniform in height at lateral incident area.


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2021 ◽  
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Author(s):  
N. A. Inogamov ◽  
S. A. Romashevskiy ◽  
A. I. Ignatov ◽  
V. V. Zhakhovsky ◽  
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...  

2019 ◽  
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Author(s):  
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Xiaohong Li ◽  
Yanbin Zhang ◽  
Yuxiao Hou ◽  
Xueying Liu ◽  
...  

2012 ◽  
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pp. 1106 ◽  
Author(s):  
Cheng-Yun Zhang ◽  
Jian-Wu Yao ◽  
Hai-Ying Liu ◽  
Qiao-Feng Dai ◽  
Li-Jun Wu ◽  
...  

2012 ◽  
Vol 39 (4) ◽  
pp. 0406001
Author(s):  
温雅 Wen Ya ◽  
彭滟 Peng Yan ◽  
张冬生 Zhang Dongsheng ◽  
陈宏彦 Chen Hongyan ◽  
陈麟 Chen Lin ◽  
...  

2013 ◽  
Vol 42 (5) ◽  
pp. 515-520 ◽  
Author(s):  
贺锋涛 HE Fengtao ◽  
周强 ZHOU Qiang ◽  
杨文正 YANG Wenzheng ◽  
龙学文 LONG Xuewen ◽  
白晶 BAI Jing ◽  
...  

2018 ◽  
Vol 47 (1) ◽  
pp. 106003 ◽  
Author(s):  
李志明 Li Zhiming ◽  
王玺 Wang Xi ◽  
聂劲松 Nie Jinsong ◽  
胡瑜泽 Hu Yuze

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