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IG - Indian Group

Dr. Digbijoy N. Nath - Nanowire FET fabrication.
Standard cleanroom fabrication processes will be used to make nanowire transistors using e-beam lithography, and sensing using these nanowires will be explored for this project.

Dr. Ambarish Ghosh - positioning of micro/nano particles by magnetic nanoswimmers onthe FET for sensing.

The magnetic nanoswimmers have been used to pick-up, trap and release colloidal particles in wet environments. We propose to use this technology to bring multifunctional colloids at specific locations of the nanoelectronic device. With appropriate functionalization, the colloids could aid in sensing certain proteins/biomarkers in a scheme similar to sandwich-immunoassay, however with significantly enhanced efficiency. We also envision possibilities where the colloids are used to alter and enhance the functionalities of the nano-FET device, especially for colloids made of metallic and semiconducting materials.

BRICS Project meeting, 27/12/2017

Dr. Praveen Kumar - using metal migration for positioning on FETs.

In electro-lithography, we propose to explore the ideas of “nano-conveyer belt” and “writing with a stylus” at precise locations, wherein we envision that we can transport very small volume of liquid metals through synergy between the expertise at IRE, RAS, Moscow of nano-positioning tools and using our expertise in area of the electric field induced long range, directional flow of liquid metals. Precise positioning of a tip or a flat surface can then be used a “medium” over which the liquid metal can be flown in a set direction using electric current. Since the volume of the flowing liquid material can be controlled by current density, environment, substrate, etc., we can transport liquids of volume ranging from a few nano-liters to a few micro-liters. This will then allow building a structure using bottom-up approach as well as repairing broken structures.

BRICS Project meeting, 27/12/2017