Nanotubes as nanoprobes in scanning probe microscopy

Dai, Hongjie; Hafner, Jason H.; Rinzler, Andrew G.; Colbert, Daniel T.; Smalley, R. E.

doi:10.1038/384147a0

Cited by 2,225 publications

(1,239 citation statements)

References 25 publications

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“…To obtain better lateral resolution, carbon nanotubes are considered the preferred material for use as the probe tip of scanning probe microscopes on the basis of their large aspect ratio and good mechanical properties [43,44]. Even though SWCNTs are expected to provide good images including improved lateral resolution due to their small diameter (close to 1 nm), MWCNTs have provided better lateral images due to their good modulus [45,46].…”

Section: Atomic Force Microscopy Tipsmentioning

confidence: 99%

Double-walled carbon nanotubes: synthesis, structural characterization, and application

Kim¹,

Yang²,

Muramatsu³

et al. 2014

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Double walled carbon nanotubes (DWCNTs) are considered an ideal model for studying the coupling interactions between different concentric shells in multi-walled CNTs. Due to their intrinsic coaxial structures they are mechanically, thermally, and structurally more stable than single walled CNTs. Geometrically, owing to the buffer-like function of the outer tubes in DWCNTs, the inner tubes exhibit exciting transport and optical properties that lend them promise in the fabrication of field-effect transistors, stable field emitters, and lithium ion batteries. In addition, by utilizing the outer tube chemistry, DWCNTs can be useful for anchoring semiconducting quantum dots and also as effective multifunctional fillers in producing tough, conductive transparent polymer films. The inner tubes meanwhile preserve their excitonic transitions. This article reviews the synthesis of DWCNTs, their electronic structure, transport, and mechanical properties, and their potential uses.

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Section: Atomic Force Microscopy Tipsmentioning

confidence: 99%

Double-walled carbon nanotubes: synthesis, structural characterization, and application

Kim¹,

Yang²,

Muramatsu³

et al. 2014

Carbon letters

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“…Their shape allows them to probe crevices and image structures w x with large curvature gradients. Dai et al 24 were the first to recognize this potential. We have found that the electrical conductivity of such tips makes them useful not only for STM imaging but also in device fabrication.…”

Section: Carbon Nanotube Tips As Electrodes For Local Anodization Of mentioning

confidence: 99%

Carbon nanotubes: nanomechanics, manipulation, and electronic devices

Avouris

Hertel

Martel

et al. 1999

Applied Surface Science

248

115

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Carbon nanotubes are novel materials with unique electrical and mechanical properties. Here we present results on their atomic structure and mechanical properties in the adsorbed state, on ways to manipulate individual nanotubes, on their electrical properties and, finally, on the fabrication and characteristics of nanotube-based electron devices. Specifically, Ž . atomic force microscopy AFM and molecular mechanics simulations are used to investigate the effects of van der Waals interactions on the atomic structure of adsorbed nanotubes. Both radial and axial structural deformations are identified and the interaction energy itself is obtained from the observed deformations. The conditions under which the structure of a nanotube will adjust to the topography of the substrate are defined. We show that the strong substrate-nanotube interaction allows the manipulation of both the position and shape of individual nanotubes at inert surfaces using the AFM. AFM manipulation is then utilized to position individual nanotubes on electrical pads so that their electrical characteristics can be evaluated. We demonstrate the operation of a field-effect transistor based on a single semiconducting nanotube and of a single-electron transistor using a nanotube bundle as Coulomb island. Finally, conducting nanotubes are employed as tips for AFM lithography. q

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“…Indeed, the carbon nanotube would seem to be a natural material from which to make the tip of an AFM, as was first demonstrated in 1996 (ref. 1), five years after the first paper on nanotubes 2 and ten years after the first AFM, which used a shard of diamond as the tip 3 .…”

Section: Editorialmentioning

confidence: 99%

Nanotubes keep rolling on

2009

Nature Nanotech

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Nanotubes as nanoprobes in scanning probe microscopy

Cited by 2,225 publications

References 25 publications

Double-walled carbon nanotubes: synthesis, structural characterization, and application

Double-walled carbon nanotubes: synthesis, structural characterization, and application

Carbon nanotubes: nanomechanics, manipulation, and electronic devices

Nanotubes keep rolling on

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