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ardius

R.D.S.Yadava PhD

Professor

Department of Physics, Institute of Science

Banaras Hindu University

Varanasi 221005, India.

(ex-R&D Scientist 1980-2005, Solid State Physics Laboratory, Defence Research and Development Organization, Government of India, Delhi) 

ardius[at]gmail[dot]com;   ardius[at]bhu[dot]ac[dot]in

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Chemical Sensors & Sensor Array System

Electronic Nose / Data Processing / Data Mining /  Computational Intelligence / Pattern Recognition / 

Explosive Detection / Medical Diagnostics / Breath Analysis / Food Quality Monitoring

 Sensing Platforms and Functionalization

Surface Acoustic Wave (SAW) Sensors / Micro- and Nano (MEMS/NEMS) Cantilever Sensors / Polymer Selection / Hydrodynamic Influences / Sensor Simulation / Coupled Oscillator Synchronization Sensors

Noise and Stochastic Resonance 

1/f Noise / Oscillator Phase Noise / Sorption-Desorption Noise / Stochastic Resonance in SAW and MEMS Sensors

Nonlinear Dynamics 

MEMS/NEMS Resonators and Chaotic Colpitts Oscillator /  MEMS Coupled Van der Pol Oscillators / Delay Coupled SAW Oscillators / Stability Analysis / Bifurcation and Chaos / Synchronization

Artificial  Microswimming 

Filament Dynamics at Low Reynolds Number / Swimmer Navigation and Control / Swarm Dynamics / Micro-Nano Robotics 

Surface Acoustic Wave Devices

SAW Devices Design, Simulation, Fabrication and Characterization / SAW Signal Processing / Filtering / Modulator / Phase Noise / Radar Signal Processing

HgCdTe Infrared Sensors

Mercury-Cadmium-Telluride / Cadmium Telluride / 

Crystal Preparation and Characterization / 

IR Sensor Fabrication and Characterization 

Percolation System

Metal-Insulator Percolation / Fractal Clusters / Electrical Transport / Dielectric Response / Noise Phenomena / Hopping Transport / AC Conductivity

Microelectronics 

Metal-Oxide-Semiconductor-Field-Effect-Transistors / MOS Conductance / Fractal Basis for 1/f Noise  in MOSFET and MOS Capacitors / Gate Breakdown Statistics 

Radiation Effects

Ion Implantation / Laser Annealing / Radiation Blistering in Metals and Alloys

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