Quantum Dot Lab

Happy to share our group’s recent publication in Chemistry of Materials American Chemical Society

This project began with Mahima Makkar and was brought to completion by Subham Das. Over years of work, the team demonstrates how dopant atoms are arranged: clustered vs diffused, directly controls sp–d exchange and magneto-optical response in dilute magnetic nanocrystals.

Congratulations to the entire team on this achievement.
Link to the Full article :

Probing and Controlling Dopant Distribution in Dilute Magnetic Semiconducting Nanocrystals Precise control of magnetic dopant distribution in semiconductor nanocrystals (NCs) is essential for advancing spintronic and magneto-optical technologies. In dilute magnetic semiconductors (DMS), uncontrolled clustering disrupts sp–d exchange, reduces spin coherence, and limits device performance...

JNCASR invites enthusiastic and driven students to participate in walk-in interviews. This opportunity is specifically for those who missed the chance to apply for the advertisement published in March 2025.

We are seeking dedicated PhD candidates to join our research group. Applicants must have completed a Master's degree (M.Sc. or MS) in Physics or Chemistry from an Indian university and hold a valid UGC CSIR NET Fellowship.

Interested candidates who wish to attend the walk-in interview should email a detailed resume (including contact information), along with scanned copies of degree certificates, mark sheets, and score/award letters from relevant national-level exams (GATE/JEST/GPAT/UGC-JRF/CSIR-NET-JRF/ICMR-JRF/DBT-JRF/INSPIRE-JRF).

To learn more about our lab and ongoing research, please check out our lab poster and visit Prof. Ranjani Viswanatha's homepage: https://www.jncasr.ac.in/faculty/rv.

For further inquiries, feel free to reach out via email:
📧 Quantum Dot Lab: [email protected]
📧 Prof. Ranjani Viswanatha: [email protected]

Ranjani Viswanatha | Jawaharlal Nehru Centre for Advanced Scientific Research Prof. Ranjani Viswanatha obtained her Ph.D. from the Indian Institute of Science, Bangalore in 2006 and carried out postdoctoral research at University of Arkansas (2007-2008) and later at Los Alamos National Laboratory (2008-2010). She joined JNCASR in 2011 as Faculty Fellow.

Delighted to be a part of this special feature on Hybrid Perovskite 24 (HyPe24) in ACS Energy Letters. Sincere thanks to Prof. Narayan Pradhan, Prof. Lakshmi Polavarapu, and Prof. Prashant Kamat for their kind invitation and support.
https://pubs.acs.org/doi/10.1021/acsenergylett.5c01173