Carbon nanotubes ppt

If you wish to download it, please recommend it to your friends in any social system. Auth with social network: Due to very low resistivity, the heat dissipation in the CNT is very small and hence they can carry much larger currents than the metals. This effect is known as magneto resistance.

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PROPERTIES OF CARBON NANOTUBES

The energy gap decreases as the diameter of the CNT is increased. Published by Georgina Benson Modified over 3 years ago. This effect is known as magneto resistance. At low temperatures, the resistance decreases with increasing magnetic field applied across the CNT. Low density for a solid of 1.

Auth with social network: About project SlidePlayer Terms of Service. Good insulators laterally to the tube axis. If you wish to download it, please recommend it to your friends in any social system. Due to very low resistivity, the heat dissipation in nanotkbes CNT is very small and hence they can carry much larger currents than the metals.

Hence they are equivalent to one dimensional conductors. This limitation has been recently addressed by applying high-energy electron irradiation, which crosslinks inner shells and tubes. Crystallographic defects also affect the tube's electrical properties. Tavkhelidze Ilia State University.

PROPERTIES OF CARBON NANOTUBES - ppt video online download

This rolling can be done at different angles and curvatures resulting in different nanotube properties. Feedback Privacy Policy Feedback. Available data clearly show that, under some conditions, nanotubes can cross membrane barriers, which suggests that, if raw materials reach the organs, they can induce harmful effects such as inflammatory and fibrotic reactions.

Nanotechnology is the engineering of functional systems at the molecular scale which are smaller than nanometers. Quantum Size Effects in Nanostructures A.

It is the construction. They show electrical properties ranging from semiconductors to those of good conductors.

Share buttons are a little bit nanotubed. Carbon nanotubes are unique "one-dimensional systems" which can be envisioned as rolled single sheets of graphite.

Crystallographic defects strongly affect the tube's thermal properties; reduces the thermal conductivity of nanotube structures. To make this website work, we log user data and share it with processors.

A common result is lowered conductivity through the defective region of the tube. To use this website, you must agree to our Privacy Policyincluding cookie policy.

We think you have liked this presentation. My presentations Profile Feedback Log out. The length-to-diameter nahotubes, can be as high as , Covalent sp2 bonds formed between the individual carbon atoms. Carbon Nanotubes Joey Sulpizio, Rice University Introduction Carbon nanotubes comprise an extraordinary class of organic macromolecules.

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