材料研究学报  2007, Vol. 21 Issue (3): 287-290

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石墨层折叠特性的原子力显微镜研究

李立新　 王煦　 张新宇　 陈晓波　 杨超　 刘日平

李立新; 王煦; 张新宇; 陈晓波; 杨超; 刘日平 . 石墨层折叠特性的原子力显微镜研究[J]. 材料研究学报, 2007, 21(3): 287-290.

摘要 参考文献 相关文章 Metrics 全文: PDF(701 KB)   摘要: 使用原子力显微镜的探针对石墨的双原子厚片层进行了撕裂和折叠实验,结果表明:石墨片层只沿特定的方向撕裂和折叠;被折叠的片层在折叠轴处会形成一个未封闭的碳纳米管,即石墨片层的sp2键结构在折叠轴处会形成类sp3的结构缺陷;被折叠的片层可以完全展平到原来的位置或被继续撕成形状相同但尺寸较大的三角形.这说明在外力作用下sp2键结构和类sp3键结构可以自由地相互转化而不被损坏,由此可以解释碳纳米管惊人的可弯性. Key words： 收稿日期: 1900-01-01      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 李立新 王煦 张新宇 陈晓波 杨超 刘日平 44.8K 链接本文: https://www.cjmr.org/CN/Y2007/V21/I3/287 1 MA Dayan,MA Shengli,XU Kewei,S.Veprek,A study on thermal stability of nano-structure Ti-Si-N coatings at elevated temperature,Chinese Journal of Materials Re- search,18(6),617(2004) (马大衍，马胜利，徐可为，S．Veprek，纳米Ti-Si-N薄膜的高温热稳定性研究，材料研究学报，18(6)，617(2004)) 2 S.Veprek,P.Nesladek,A.Niederhofer,Search for super- hard materials:nanocrystalline composites with hard- ness exceeding 50 GPa,Nanostructured Materials,10(5), 679(1998) 3 J.Haines,J.M.Léger,G.Bocquillon,Synthesis and design of superhard materials,Annu.Rev.Mater.Res.,31(1), 25(2001) 4 Wang Y.M.,Chen M.W.,Zhou F.H.,Ma E.,High ten- sile ductility in a nanostructured metal,Nature,419, 912(2002) 5 S.Li,Y.Shi,H.Peng,Ti-Si-N films prepared by plasma- enhanced chemical vapour deposition,Plasma Chemistry and Plasma Processing,12(3),287(1992) 6 J.Patscheider,Nanocomposite hard coatings for wear pro- tection,MRS Bull.,28(3),180(2003) 7 Fanghua MEI,Nan SHAO,Xiaoping HU,Geyang LI, Mingyuan GU,Microstructure and mechanical properties of reactively sputtered Ti-Si-N nanocomposite films,Ma- terials Letters,59,2442(2005) 8 W.J.Meng,X.D.Zhang,B.Shi,R.C.Tittsworth,L.E.Rehn, P.M.Baldo,Microstructure and mechanical properties of Ti-Si-N coatings,J.Mater.Res.,17,2628(2002) 9 S.H.Kim,J.K.Kim,K.H.Kim,Influence of deposition con- ditions on the microstructure and mechanical properties of Ti-Si-N films by DC reactive magnetron sputtering,Thin Solid Films,420-421,360(2002) 10 P.Vaz,L.Rebouta,Ph.Godeau,T.Girardeau,J.Pacaud, J.P.Riviere,A.Traverse,Structural transitions in hard Si- based TiN coatings:the effect of bias voltage and temper- ature,Surf.Coat.Technol.,146-144,274(2001) 11 S.A.Barnet,A.Madan,Superhard superlattices,Phys. World,11,45(1998) 12 X.Chu,S.A.Barnett,M.S.Wong,W.D.Sproul,Re- active unbalanced magnetron sputter deposition of polycrystalline TiN/NbN superlattice coatings,Surf. Coat.Technol.,57,13(1993) 13 X.T.Zeng,S.Mridha,U.Chai,Properties of unbalanced magnetron sputtered TiN/NbN multilayer coatings,Jour- nal of Materials Processing Technology,89-90,528(1999) 14 S.Veprek,A.Niederhofer,K.Moto,T.Bolom,H.-D. Mnnling,P.Nesladek,G.Dollinger and A.Bergmaier, Composition,nanostructure and origin of the ultrahard- hess in nc-TiN/α-Si_3N_4/a-and nc-TiSi_2 nanocomposites with Hv=80 to 105 GPa,Surf.Coat.Technol.,133-134, 152(2000)] No related articles found! Viewed Full text Abstract Cited   Shared      Discussed