Home Optics • Applied Physics of Carbon Nanotubes: Fundamentals of Theory, by Slava V. Rotkin, Shekhar Subramoney

Applied Physics of Carbon Nanotubes: Fundamentals of Theory, by Slava V. Rotkin, Shekhar Subramoney

By Slava V. Rotkin, Shekhar Subramoney

The ebook describes the cutting-edge in basic, utilized and equipment physics of nanotubes, together with fabrication, manipulation and characterization for gadget purposes; optics of nanotubes; delivery and electromechanical units and basics of conception for functions. this knowledge is necessary to the sector of nanoscience due to the fact that nanotubes have the capability to develop into a really major digital fabric for many years to return. The publication will gain all all readers drawn to the applying of nanotubes, both of their theoretical foundations or in newly built characterization instruments which can allow functional gadget fabrication.

Show description

Read or Download Applied Physics of Carbon Nanotubes: Fundamentals of Theory, Optics and Transport Devices PDF

Similar optics books

Silicon Photonics: An Introduction

The becoming call for for fast and trustworthy communique signifies that photonic circuits are more and more discovering purposes in optical communications platforms. one of many leading applicants to supply passable functionality at cost-efficient within the photonic circuit is silicon.  while silicon photonics is much less good built in comparison to a couple different fabric applied sciences, it truly is poised to make a major impression at the telecommunications undefined, in addition to in lots of different functions, as different applied sciences fail to fulfill the yield/performance/cost trade-offs.

Reflecting Telescope Optics I: Basic Design Theory and its Historical Delvelopment

R. N. Wilson's two-volume treatise on reflecting telescope optics has turn into a vintage in its personal correct. it's meant to provide a whole remedy of the topic, addressing execs in study and in addition to scholars of astronomy and novice astronomers. this primary quantity, simple layout concept and its old improvement, is dedicated to the speculation of reflecting telescope optics and systematically recounts the old growth.

Optically Amplified WDM Networks

Content material: entrance topic, web page iiiCopyright, web page ivDedication, web page v, Atul Srivastava, Johu ZyskindForeword, Pages ix-x, Rod AlfernessAuthor Biographies, Pages xi-xviiiChapter 1 - Optical Amplifiers for subsequent new release WDM Networks: A viewpoint and review, Pages 1-22, Atul Srivastava, John ZyskindChapter 2 - ROADM-Based Networks, Pages 23-45, Brandon C.

Extra resources for Applied Physics of Carbon Nanotubes: Fundamentals of Theory, Optics and Transport Devices

Example text

We will show later that one can neglect the dependence of σ on the angle β in a linear response theory (in higher orders of perturbation theory a direct transverse polarization must be taken into account [41]). σ ∗ is an image charge density which is equal to −σ for the metallic substrate. 24) is the Hartree term for the SWNT in vacuum (without charge injection). 24) is the energy of interaction of the electron with the image charge. The separation between the SWNT axis and the surface of the conductor is h.

This extra charge density polarizes the substrate, which breaks the axial symmetry of the nanotube. We will demonstrate that the direct effect of the uniform external electric field is of minor importance as compared to the nonuniform field of surface charges on the substrate. To calculate the splitting and shift of the electron energy levels one needs to know the matrix elements of the perturbation potential between corresponding wave–functions. 24) + σ (z − Z)2 ∗ + (R cos α − R cos β)2 + (R sin α + 2h − R sin β)2 .

In other words, the screening length is small in the bulk metals, thus one can neither create an electrostatic barrier for electrons nor impede electron flow by strong scattering. On the other hand, the FET conductance in the OFF state has to be as low as possible to minimize OFF current. This requires material properties close to an insulator, which is in visible contradiction with the need for a metallic ON state, unless we consider changing the material properties during the device operation.

Download PDF sample

Rated 4.52 of 5 – based on 14 votes

Author:admin