National Natural Science Foundation of China(50705093,50575217);Innovative Group Foundation from NSFC(50421502);National"973"Project(2007 CB607601)
Graphite-like amorphous carbon film was fabricated by unbalanced magnetron sputtering technique.Raman spectroscopy,atomic force microscopy(AFM)and tribometer were subsequently used to investigate the microstructure an...
Project supported by the National Natural Science Foundation of China(Grant Nos.50705093 and 50575217);the Innovative Group Foundation of the National Natural Science Foundation of China(Grant No.50421502);the National Basic ResearchProgram of China(Grant No.2007CB607601)
Amorphous carbon films with high sp2 concentrations are deposited by unbalanced magnetron sputtering with a narrow range of substrate bias voltage. Field emission scanning electron microscopes (FESEMs), high resolut...
supported by the National Natural Science Foundation of China (Grand Nos. 50575217, 10875098 and 50421502);the Natural Science Foundation of Northwest Normal University (Grant Nos. NWNU-KJCXGC-03-17 and NWNU-KJCXGC-03-48)
By using the molecular dynamic simulation method with a fourth-order Runge--Kutta algorithm, a two-dimensional dc- and ac-driven Frenkel--Kontorova (FK) model with a square symmetry substrate potential for a square ...