标题: Superior local conductivity in self-organized nanodots on indium-tin-oxide films induced by femtosecond laser pulses
作者: Wang, Chih
Wang, Hsuan-I
Tang, Wei-Tsung
Luo, Chih-Wei
Kobayashi, Takayoshi
Leu, Jihperng
材料科学与工程学系
电子物理学系
Department of Materials Science and Engineering
Department of Electrophysics
公开日期: 21-十一月-2011
摘要: Large-area surface ripple structures of indium-tin-oxide films, composed of self-organized nanodots, were induced by femtosecond laser pulses, without scanning. The multi-periodic spacing (similar to 800 nm, similar to 400 nm and similar to 200 nm) was observed in the laser-induced ripple of ITO films. The local conductivity of ITO films is significantly higher, by approximately 30 times, than that of the as-deposited ITO films, due to the formation of these nanodots. Such a significant change can be ascribed to the formation of indium metal-like clusters, which appear as budges of similar to 5 nm height, due to an effective volume increase after breaking the In-O to form In-In bonding. (C) 2011 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.19.024286
http://hdl.handle.net/11536/15058
ISSN: 1094-4087
DOI: 10.1364/OE.19.024286
期刊: OPTICS EXPRESS
Volume: 19
Issue: 24
起始页: 24286
结束页: 24297
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