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Deposition of Diamond-Like Carbon Films with Femtosecond KrF Laser Pulses |
YAO Dong-Sheng1,2;LIU Jing-Ru2;WANG Li-Ge2;YU Chang-Xuan1;ZHAN Ru-Juan1 |
1Department of Modern Physics, University of Science and Technology of China, HeFei 230026
2Third Division, Northwest Institute of Nuclear Technology, Xi’an 710024
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Cite this article: |
YAO Dong-Sheng, LIU Jing-Ru, WANG Li-Ge et al 2000 Chin. Phys. Lett. 17 540-541 |
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Abstract Hydrogen-free diamond-like carbon (DLC) films with the optical band gaps of 2.0-2.7eV and the microhardness of 40-55 GPa are deposited by femtosecond KrF laser pulses. The film microstructure of nanometer spheroid is observed. The film microhardness is improved with the increase of ion kinetic energy of plasma plume from 300 to 600eV. The characteristics of DLC film deposition with fs pulses is discussed.
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Keywords:
85.15.Fg
78.66.-w
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Published: 01 July 2000
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