Novel design to improve band to band tunneling and gate induced drain leakages (GIDL) in cylindrical gate all around (GAA) MOSFET

Microsystem Technologies - In this paper a cylindrical Dual Metal (DM) Dielectric Engineered (DE) Gate All Around (GAA) MOSFET has been proposed to resolve a big issue of Gate Inducted Drain...     

Analytical modeling of Junctionless Accumulation Mode Cylindrical Surrounding Gate MOSFET (JAM‐CSG)

This paper presents physics based analytical model for center potential, electric field and subthreshold drain current of Junctionless Accumulation Mode Cylindrical Surrounding Gate MOSFET (JAM‐CSG). The expressions are derived from Poisson's equation in cylindrical co‐ordinate system based on parabolic potential approximation (PPA). The influence of technology parameter variations such as gate length, silicon pillar diameter and oxide thickness on electrical characteristics is studied in detail. Developed analytical model results are validated through the good agreement with simulated data obtained from ATLAS 3D simulator. Copyright © 2016 John Wiley & Sons, Ltd.     

Biochemical and immunochemical characterization of Brassica juncea glyoxalase I

A homogenous preparation of glyoxalase I (S-lactoylglutathione-lyase, EC 4.4.1.5) was obtained from Brassica juncea seedlings. The enzyme is a heterodimer with 27,000 and 29,000 M(r) subunits and native M(r) of 56,000. The circular dichroic spectra of the protein showed characteristics of a distinctly helical protein, and magnesium affected the secondary structure. It is a zinc metalloenzyme. Amino acid modification studies suggested the involvement of histidine residues in catalysis. Apo-glyoxalase I was reactivated by divalent cations Mn2+ (0.5 Mm) > Mg2+ (5 Mm) > Zn2+ (0.05 Mm) and Ca2+ (0.01 Mm). Monospecific, polyclonal anti-glyoxalase I antibodies were raised, which showed its presence in seeds, roots, hypocotyl, cotyledon and different flower parts. They showed varied degree of cross reactivity with the extracts from various plants, yeast, bacteria and animal system.     

Reflection of plane waves at the initially stressed surface of a fiber-reinforced thermoelastic half space with temperature dependent properties

In this paper, a model of two dimensional problem of generalized thermoelasticity for a fiber-reinforced anisotropic elastic medium under the effect of temperature dependent properties is established. Reflection phenomena of plane waves in an initially stressed thermoelastic medium is studied in the context of two theories proposed by Lord–Shulman and Green–Lindsay. Using proper boundary conditions, the amplitude ratios and energy ratios for various reflected waves are presented. The phase speeds, reflection coefficients and energy ratios are computed numerically with the help of MATLAB programming and are depicted graphically to show the effect of initial stress and temperature dependent properties. It is found that there is no dissipation of energy at the boundary surface during reflection. A comparison between the two theories is also depicted in the present investigation.

     

Impulsive effect on an elastic solid with generalized thermodiffusion

The theory of generalized thermoelastic diffusion with one relaxation time is employed to study the distribution of temperature, displacement components, stresses, concentration and chemical potential in a semi-infinite medium having an impulsive mechanical load at the origin. Using the joint Laplace and Fourier transforms, the governing equations are transformed into a vector–matrix differential equation which is then solved by the eigenvalue approach. The solution of the problem in the physical domain is obtained numerically using a numerical method for the inversion of the Laplace and Fourier transforms. Results of this work are presented graphically and are compared with the results of generalized thermoelasticity and classical elasticity deduced as special cases.     

Assessment of analog RF performance for insulated shallow extension (ISE) cylindrical surrounding gate (CSG) MOSFET incorporating gate stack

In this paper, insulated shallow extension cylindrical surrounding gate (ISE-CSG) MOSFET with high-k gate stack has been proposed and extensively investigated. The performance of high-k ISE-CSG MOSFET has been compared with cylindrical surrounding gate MOSFET. ISE-CSG with high-k gate stack has number of desirable features at 30 nm regimes. The results reveal that ISE-CSG MOSFET with gate stack is more immune to short channel effects because of improved carrier transportation capability. It has been observed that high-k ISE-CSG MOSFET shows improved figure of merits as drive current (I_ON), I_ON/I_OFF ratio, transconductance (g_m), cutoff frequency f_T, transconductance generation factor, intrinsic gain (A_v), transconductance frequency product, gain transconductance frequency product and gain frequency product. ISE-CSG with high-k gives better control over the depletion region and therefore it is a suitable device for high speed, high frequency and analog/RF circuit applications.

     

Support vector regression based shear strength modelling of deep beams

Support vector regression based modelling approach was used to predict the shear strength of reinforced and prestressed concrete deep beams. To compare its performance, a back-propagation neural network and the three empirical relations was used with reinforced concrete deep beams. For prestressed deep beams, one empirical relation was used. Results suggest an improved performance by the SVR in terms of prediction capabilities in comparison to the empirical relations and back propagation neural network. Parametric studies with SVR suggest the importance of concrete cylinder strength and ratio of shear span to effective depth of beam on strength prediction of deep beams.     

Effect of Concentration and Temperature on the Rheological Properties of Oat Milk

The rheological behavior of oat milk (Avena sativa L.) at different concentration (5, 10, 15, and 20 °Brix) was studied in the temperature range of 10, 20, 30, and 40 °C using a controlled stress rheometer. Power law model adequately described the flow behavior of oat milk (0.881–0.987). The value of flow behavior index (n) was less than unity (0.19–0.68) at all temperature and concentration range indicating the shear-thinning (pseudoplastic) nature of oat milk. Consistency index (k) increased with soluble solids concentrations and decreased with temperature. The Arrhenius equation adequately described the effect of temperature on the viscosity. The activation energies for flow of oat milk quantified using Arrhenius equation increased with solid concentration and ranged from 7.43 to 303.64 kJ/mol. The effect of concentration on the viscosity followed the exponential model. The empirical model obtained from the study could well-describe the combined effect of temperature and concentration within the range of the study. It was concluded that temperature and concentration had a significant effect on the rheology of the oat milk.