CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Geometric characterization of carbon nanotubes by atomic force microscopy in conjunction with a tip characterizer
Wang, CM; Itoh, H; Homma, Y; Sun, JL; Hu, J(胡钧); Ichimura, S; Wang, CM (reprint author), Natl Inst Adv Ind Sci & Technol, Res Inst Instrumentat Frontier, 1-1 Umezono 1 Chome, Tsukuba, Ibaraki 3058568, Japan
2008
Source PublicationJAPANESE JOURNAL OF APPLIED PHYSICS
ISSN0021-4922
Volume47Issue:7Pages:6128
AbstractAn atomic force microscopy (AFM) probe tip characterizer with 14 line and space structures and two knife edges was fabricated by means of a superlattice technique. The shape of a probe tip both before and after AFM imaging was acquired by this tip characterizer with general variations < 1.5 nm; depending on imaging conditions. The geometric structures of carbon nanotubes (CNTs) on a SiO(2) substrate were studied by dynamic mode AFM in conjunction with this tip characterizer. Contact points between the tip and the CNTs were detected by observing changes in the AFM phase images. A modified CNT width correction model was established to calculate the estimated and Upper-limit widths of two CNTs. The experimental results showed that imaging under a weak attractive force was suitable for obtaining accurate CNT height measurements, whereas a weak repulsive force provided the most accurate widths. Differing heights and widths between the two CNTs suggested that one CNT was double-walled, whereas the other had more than two walls; these results agree with transmission electron microscopy (TEM) measurements of the CNTs.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7737
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorWang, CM (reprint author), Natl Inst Adv Ind Sci & Technol, Res Inst Instrumentat Frontier, 1-1 Umezono 1 Chome, Tsukuba, Ibaraki 3058568, Japan
Recommended Citation
GB/T 7714
Wang, CM,Itoh, H,Homma, Y,et al. Geometric characterization of carbon nanotubes by atomic force microscopy in conjunction with a tip characterizer[J]. JAPANESE JOURNAL OF APPLIED PHYSICS,2008,47(7):6128.
APA Wang, CM.,Itoh, H.,Homma, Y.,Sun, JL.,Hu, J.,...&Wang, CM .(2008).Geometric characterization of carbon nanotubes by atomic force microscopy in conjunction with a tip characterizer.JAPANESE JOURNAL OF APPLIED PHYSICS,47(7),6128.
MLA Wang, CM,et al."Geometric characterization of carbon nanotubes by atomic force microscopy in conjunction with a tip characterizer".JAPANESE JOURNAL OF APPLIED PHYSICS 47.7(2008):6128.
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