Research
Exploring exotic features of superconducting state in topological insulators
Nanostructures superconductors
Novel Heterostructures of superconductors with applications towards quantum devices
Superconductivity
We outline the topics in which we are currently engaged in and will be in the future
Exploring physics of vortices in type II superconductors driven far from equilibrium
Attempting to explore the intrinsic properties of vortices and how they affect the collective dynamical properties of vortices
Some Detailed writeup on few topics (old and new)
Magnetism & 2D materials
We are currently interested in exploring novel magnetic states in 2D magnetic systems
Here we are also trying to build and array of new techniques to explore the nature of magnetism at ultra low dimensions
Exploring the interface between magnonics and superconductivity is an area we hope to be working in the near future. Here we wish to continue exploring the physics of extreme optical field generated magnetic states
Another area of work is to explore the magnetism in some strongly correlated magnetic systems like EuB6 and system we have recently worked on extensively like Cobalt Carbides.
We are working towards studying novel topological excitation of
We are also keen on continuing our studies on metal insulator systems like the recent system of NdNiO3 we have studied
Graphene based high sensitivity devices and Graphene heterostructure based devices
Some Detailed writeup on few topics (old and new)
Read about out work on imaging new magnetic domain states using our Magneto-optical imaging technique : Magnetism with Intense Light Pulses and also some popular writeup on this (I) and (II)
Stepwise formation of magnetic domains and magnetic polaronic state formation in a Hexaboride system
Imaging the Metal insulator transition in NdNiO3 + Movie of the evolving self field seen across the Metal insulator transition
Topological Insulators
We are engaged in developing tools to study the explicit nature of the surface conducting state in a variety of Topological insulators.
We are trying to image the surface currents in the TI materials.
We are trying to study the peciliar nature of these surface states in exotic TI with strong correlations.
We are working on ways to develop devices in which we can modulate and modify the surface currents and their properties locally on novel TI materials as well as look at the interplay of magnetism, superconductivity on a local scale to exploring new and interesting physics arising in such system as well as move towards potential Quantum device applications.
We are working on a range of different sensitive sensors for measuring and imaging local magnetic field with every increasing sensitivity and with wide range of low and high temperature and wide applied magnetic field variation scope under which to do measurements.
Developing measurements at high magnetic fields
We are working on developing new ways on achieving high critical current density in superconductors.
We have also developed an STM based technique for very sensitive detection of displacements of vibrating surfaces as well as using the STM to study out of equilibrium dissipative-driven processes
Our Aim is to continuously develop newer techniques and more sensitive measurement techniques for explore the enriching complexity of Condensed Matter Phenomena.
We are working on a range of sensors designed for steel industry and they are all related to non destructive evaluation of structures
Applications & Sensors
We are attempting to image hot spot generation and study its propagation. This has wide ranging applications
We have designed and built the first successful prototype of a novel smart superconducting fault current limiter. This has a unique instability sensing technology in build. We are planning to work continue working in this area in the future. These studies and developments are crucial for the Power sector industry.
Read some popular articles on our recently developed prototype of a Smart superconducting fault current limiter technology (Md Arif Ali, S. S. Banerjee* IEEE Transactions on Applied Superconductivity, vol. 32, no. 5, pp. 1-11, Aug. (2022), Art no. 5601311, doi: 10.1109/TASC.2022.3169924 (patent filed (2022); Ref. nos: 1808939IN-CS))
https://pib.gov.in/Pressreleaseshare.aspx?PRID=1776078
Article in international magazine Superconductivity Week
https://blitzindiamedia.com/iit-kanpurs-unique-smart-shield/
Read our paper on using STM to detect subnanometer vibrations and its applications.
Read our work on Using STM to explore irreversible dynamics and Non equilibrium fluctuation relations in the Quantum regime
Novel study on the behavior of nanomechanical cantilevers and the behaviour of coupled cantilevers
*Note all images above are a complied from actual publication from our laboratory