Research

Research Interest:

1.  Physics, Simulation and modeling of novel state of the art devices.
2.  Physics, simulation of novel 2D materials for logic transistor applications
3.  Nano Bio sensing using conventional Bulk material FET and 2D material FET
4.  Solar cell physics and its integration in commercial purposes.

Research Experience:

Modeling and Characterization of III-V QWFETs:

• Developed both 1 -D and 2-D self-consistent Schrödinger-Poisson solvers for high-κ/III-V heterostructure single and tri-gate MOSFETs considering strain effect.
• Both quantum ballistic and semiclassical I-V calculations of the single gate device are done. Variation of I-V characteristics with channel thickness, width and oxide thickness is explored. NEGF is done along transport direction for full quantum analysis. An accurate current model is also developed for the device.

Nano Bio-Sensor:

• Building a self consistent simulator for sensing nano bio-molecule such as protein and DNA using conventional FET.Details on: nanoHUB-U: Principles of Electronic Nanobiosensors
• Also working on simulating 2D material FET for this purpose (such as MoS2 Field-Effect Transistor for Next-Generation Label-Free Biosensors)

Structural and Electronic Properties Characterization of Novel 2D Material Systems

• Optimizing the geometry of bi and tri-layer Transition metal Dichalcogenides and performed electronic properties characterization using Density Functional Theory. Software Used: Quantum Espresso & QuantumWise ATK.