Glassy carbon layer formed in diamond-like carbon films with femtosecond laser pulses期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Glassy carbon layer formed in diamond-like carbon films with femtosecond laser pulses

Authors:	N.?Yasumaru author-information" > author-information__contact u-icon-before" > mailto:yasuma@fukui-nct.ac.jp" title=" yasuma@fukui-nct.ac.jp" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,K.?Miyazaki,J.?Kiuchi

Affiliation:	(1) Department of Mechanical Engineering, Fukui National College of Technology, Sabae, Fukui, 916-8507, Japan;(2) Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan;(3) Eyetec Co., Ltd., Sabae, Fukui, 916-0016, Japan

Abstract:	We report the first observation, to our knowledge, of a glassy carbon (GC) layer modified from diamond-like carbon (DLC) films with femtosecond (fs) laser pulses. The GC layer, which is confirmed by Raman spectroscopy, is produced most efficiently at low laser fluence near the ablation threshold of the DLC films. This surface modification depends little on the laser polarization and wavelength used. The fs laser-induced GC layer should be a new thin-film material useful for a variety of engineering applications due to its characteristics similar to those of DLC and the additional properties inherent in GC. PACS 61.80.Ba; 79.20.Ds; 42.62.Cf

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