IN – Page 29 – TechConnect Briefs

Quantum transport in nano mosfets

Lamba V.K., Engles D., Malik S.S., Gupta A., HCTM Kaithal, IN

Various quantum mechanical formulations have been used for the modeling of the carrier transport in semiconductor devices. During the 1980s advances in the semiconductor technology made it possible to fabricate conductors so small that the [...]

Multiple gate approach – solution of scaling and nano MOSFETS

Lamba V.K., Engles D., Malik S.S., Haryana College of Technology & Management,Kaithal, IN

In the sub-50nm scale, the aggressive scaling of MOSFETs is expected to culminate in dual-gate (DG) architectures on SOI substrates. DG MOSFETs are widely accepted to be the ultimate design that silicon can deliver in [...]

High speed Resonant Tunneling Diode based on GaN & GaAs: A modelling & simulation approach

Arjun V., Sikdar D., Chaubey V.K., Birla Institute of Technology & Science, IN

The investigation of tunneling of particles through potential barriers in semiconductor quantum wells has recently attracted much attention. Special focus is laid on resonant tunneling structures because of its importance in the field of nanoscience [...]

Gold Nanorods: Synthesis and Modulation of Optical Properties

Tiwari N.R., Kalele S.A., Kulkarni S.K., University of Pune, IN

Metal nanoparticles offer a wide area of application owing to their size and shape dependent optical properties. Recently, there has been significant interest in gold nanorods due to their potential application in the field of [...]

Studies on Carbon Nanotubes – Polyaniline Based Composites

Lal C., Kumar A., Kumar S., Kumar A., Kumar S., Gupta T.K., National Physical Laboratory (NPL), IN

ABSTRACT-: Carbon Nanotubes (CNTs) have become leading material for tremendous strategic applications. We have prepared CNT composites with the Polyaniline by solvent and powder methodology. The adhesion, alignment and the effect of composite nature have [...]

Carbon nanotube superlattices- An oscillatory metallic behaviour

Agrawal B.K., Pathak A., Allahabad University, IN

The physical properties of the (n,n)/(2n,0); n = 3 and 6 superlattices of the carbon nanotubes (CN’s) has been studied by employing the first–principle pseudopotential method. The curvature effects on the various properties are also [...]

Novel Acrylamide Assisted Polymeric Citrate Route for the Synthesis of Nanocrystalline ZrO2 Powders for Dental Applications

Vivekanandhan S., Venkateswarlu M., Rawls H.R., Satyanarayana N., Pondicherry University, IN

Zirconium oxide has been receiving importance because of its use in wide range of biomedical applications, which is due to its high mechanical strength, fracture toughness and bio-compatibility. Recently, nano structured zirconia powders exhibit enhanced [...]

Preparation and Characterization of Mn and Co substituted nano particle ZnO

Venugopal Reddy P., Kalyana Lakshmi Y., Raju K., Osmania University, IN

With a view to study the influence of nano size on various physical properties in general and ferromagnetic properties in particular, a series of oxide based diluted magnetic semiconductors were prepared by chemical routes such [...]

A semi-analytical model for calculating touch-point pressure and pull-in voltage for clamped diaphragms with residual stress

Sharma A., George P.J., University, IN

A closed form model for calculating touchpoint pressure and pull-in voltage is proposed for a clamped square diaphragm under the influence of residual stress. The governing differential equation is solved to get the closed form [...]

Numerical Study of Flame Acceleration in Microchannel

Chaudhuri A., Guha C., Dutta T.K., Jadavpur University, IN

Phenomenon of flame acceleration of premixed combustible air-acetylene mixture towards the open end of adiabatic microchannel has been studied by solving Navier-Stokes (NS) system of equations with single step chemistry model. A two dimensional unsteady [...]