Saraniti M. – TechConnect Briefs

Microfabricated Silicon Apertures for Ion Channel Measurement

Wilk S.J., Goryll M., Petrossian L., Laws G.M., Goodnick S.M., Thornton T.J., Saraniti M., Tang J.M., Eisenberg R.S., Arizona State University, US

Ion channels are proteins that act as pores in cell membranes and allow only specific ions to pass through the cell wall. Here, we present a method for microfabrication of apertures in a silicon substrate [...]

Hierarchical Simulation Approaches for the Design of Ultra-Fast Amplifier Circuits

Desai J., Aboud S., Chiney P., Osuch P., Branlard J., Goodnick S., Saraniti M., IIT/Rush University, US

In this work, the design and development of ultra-fast amplifier circuits is investigated using a combination of simulation tools, including PSPICE. A fully depleted SOI transistor is designed based on state-of-the-art fabricated devices. To calibrate [...]

Full-band Particle-based Simulation of Germanium-On-Insulator FETs

Beysserie S., Branlard J., Aboud S., Goodnick S.M., Thornton T., Saraniti M., Illinois Institute of Technology, US

We model and simulate novel fully depleted (FD) sub-50nm gate lengths MOSFET structures using a full-band particle simulator based on the Cellular Monte Carlo (CMC) method that provides an accurate transport model at the high [...]

Brownian Dynamics Simulation of Transport Properties in Potassium Ion Channels

Aboud S., Marreiro D., Saraniti M., Eisenberg R.S., IIT/Rush University, US

In this work, a Brownian dynamics simulator based on the self-consistent coupling of the Langevin equation with a field solver, is used to model the ionic transport. Within this approach, the molecular structure of both [...]

Self-Consistent Particle-Based Simulations of Three-Dimensional Ionic Solutions

Wigger-Aboud S., Saraniti M., Eisenberg R.S., Rush University and IIT, US

Ion channels are an important class of proteins responsible for controlling the ion flux into and out of cells, and are interesting in the electronics community for their possible application for new classes of electronics [...]

Fullband Particle-based Simulation of Optical Excitation in Silicon Pin Diodes

Wigger-Aboud S., Saraniti M., Goodnick S., Brodschelm A., Leitenstorfer A., Rush Medical Center and Illinois Institute of Technology, US

A fullband particle-based simulator is used to model photo-generated electron-hole pairs in Si. This work is motivated by experimental measurements of optically excited Si pin diodes. Results will be compared qualitatively to investigate charge transport [...]

Towards a Reliable Model of Ion Channels: Three-dimensional simulation of ionic solutions

Saraniti M., Wigger S., Schuss Z., Eisenberg R.S., Illinois Institute of Technology, US

Ion channels play a crucial role in the physiology of complex biological systems because of their influence on the electrical equilibrium between the cells and their environment. From an engineering viewpoint, ion channels will be [...]

Fullband Particle-Based Simulation of High-Field Transient Transport in III-V Semiconductors

Wigger S., Saraniti M., Goodnick S.M., Leitenstorfer A., Arizona State University, US

Motivated by the recent experimental measurements of Tera-Hertz radiation [1], this work presents the transient analysis of photogenerated electron-hole pairs in GaAs and InP pin diodes usinga full-band particlebased simulator. Excellent agreement is found between [...]

3D Biconjugate Gradient-Multi Grid Coupling Schemes for Field Equations in Semiconductor Device Simulation

Ayubi-Moak J., Wigger S., Goodnick S.M., Saraniti M., Arizona State University, US

A significant portion of the time required for simulating full three-dimensional (3D) charge transport in semiconductor devices using particle-based methods is spent solving the necessary field equations. Two highly effective, iterative techniques available for solving [...]

Hybrid CA/Monte Carlo Modeling of Charge Transport in Semiconductors

Saraniti M., Goodnick S.M., Wigger S.J., Arizona State University, US

We report on the modeling of ultra-small MOS devices using a newly developed full band device simulator. The simulation tool is based on a novel approach, featuring a hybrid Monte-Carlo/Cellular Automata simulation engine self-consistently coupled [...]