Carbon allotropes. The physical properties depend on the chemical bonding. Diamond. Strong covalent bonds in 3 dimensions Every carbon atom bonds 4 other carbon atoms in a crystalline lattice The hardest material known. Diamond . Hard, colourless, insulatorBy feo
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Carbon Nanotubes. ‘New Materials for the Twenty-first Century‘. Nanotube. Carbon Nanotubes. Introduction. Introduction. What are CNTs ?. Fullerene. Carbon Nanotubes. Overview. Overview. Characterization Synthesis Electronic Properties Current and Future Applications. armchair.
Carbon Nanotubes. CARBON NANOTUBES. Discovered in 1991 by Sumiyo Iijima , a Japanese scientist working at the NEC Corporation. Is a tubular form of carbon with a diameter as small as 0.4 nm and length from a few nanometers up to a millimeter.
Polymers!!! Nanotubes!!!. Matt Montgomery Kris Behler, Mentor Dr. Yuri Gogotsi, Advisor. Method. Electrospin polymer + nanotube. Objective. Electrically conductive micro-fibers. Electrospinning. http://www.che.vt.edu/Wilkes/electrospinning/Slide1.JPG. Concentrations .
Carbon Nanotubes. Deanna Zhang Chuan-Lan Lin May 12, 2003. Overview. Introduction History Fabrication Application Summary. Introduction I: What is nanotube?. Responsible bond: Unit cell: honeycomb pattern Wrapping these patterns back on top of themselves and joining the edges
Carbon nanotubes. John, Sarah, Doug. Carbon nanotubes. Main interest: Prototypes for a one-dimensional quantum wire. Strength . Who found first nanotube?.
Carbon nanotubes. Stephanie Reich Fachbereich Physik, Freie Universität Berlin. Pure sp 2 & sp 3 carbon. 1991. iron age. 2004. 4 cen BC. 1985. Single-walled carbon nanotubes. Nanotubes are not one, but many materials Nanotubes consist only of surface atoms.
CARBON NANOTUBES. Gaxela N, Manaetja K.P, Mulaudzi S , Senosi R Supervisor: Dr V.L.Katkof. TABLE OF CONTENTS. Introduction Classification of CNTs Applications Properties Conclusions. INTRODUCTION. Carbon nanotubes (CNTs) are allotropes of carbon with a cylindrical nanostructure .
Carbon Nanotubes. Introduction Applications Growth Techniques Growth Mechanism Presented by: Shishir Rai. What is a Carbon Nanotube?. CNT is a tubular form of carbon with diameter as small as 1nm. Length: few nm to microns.
Carbon Nanotubes. Riichiro Saito email@example.com http://flex.ee.uec.ac.jp. Carbon Nanotubes. (5,5). Armchair Nanotube. (9,0). Zigzag Nanotube. (6,5). Chiral Nanotube. Solid State Properties of Carbon Nanotubes. Structures and Symmetry Electronic and Phonon Properties