Title :
Hierarchical pattern structure in TiO2 nano-aggregates prepared by pulsed laser ablation in background gas
Author :
Umezu, Ikurou ; Sugimura, Akira ; Yoshida, Takafumi
Author_Institution :
Dept. of Phys., Konan Univ., Kobe, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
Hierarchical micron- and submicron-sized repetitive pattern was found in TiO2 nanocrystal aggregates prepared by pulsed laser ablation. The pattern structure can be varied by background gas pressure. The results show existence of stable aggregated structure.
Keywords :
aggregation; laser ablation; nanofabrication; nanoparticles; nanopatterning; titanium compounds; TiO2; background gas pressure; hierarchical micron-sized repetitive pattern; hierarchical pattern structure; hierarchical submicron-sized repetitive pattern; nanocrystal aggregates; pulsed laser ablation; stable aggregated structure; Gas lasers; Laser ablation; Laser theory; Nanocrystals; Programmable logic arrays; Pulsed laser deposition; Scanning electron microscopy;
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on
Conference_Location :
Kyoto
DOI :
10.1109/CLEOPR.2013.6600109
