[1] Erdemir A.Superlubricity and wearless sliding in diamondlike carbon films.Materials Research Society Symposium-Proceedings,2002,697(1):91～403

[4] McKenzie D R,Goringe C M.Carbon structures containing negatively curved sheets. Fullerene Science and Technology,1999,7(6):1145～1149

[5] Hirono S,Umemura S,Tomita M,et al. Superhard conductive carbon nanocrystallite films.Applied Physics Letters, 2002,80(3):425～427

[6] Diao D F,Iwata F,Hirono S,et al. Nanocoatings Tribology.3rd International Conference on Surface Engineering,China,2002,10:77～81

[7] Diaz J,Paolicelli G,Martensson N.Separation of the sp3 and sp2 components in the C 1s photoemission spectra of amorphous carbon films. Physical Review B:Condensed Matter,1996,54(11):8064