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The overarching goal of our research is to develop a fundamental understanding of surface and interfacial instabilities and to exploit them for scalable, non-lithographic fabrication of functional micro- and nanostructures. We investigate diverse material platforms, e.g., metals, polymers, semiconductors, and colloidal assemblies, using low-energy ion beam irradiation, wet etching, and evaporation-driven self-assembly.
Our approach integrates carefully designed experiments with statistical, continuum, and microscopic theoretical frameworks to uncover the physical mechanisms governing surface and interfacial instabilities under far-from-equilibrium conditions. We study pattern evolution as a consequence of competing driving forces and identify dominant relaxation pathways such as surface diffusion, stress-driven buckling, and advective particle transport.
Collectively, by establishing strong structure–property correlations rooted in fundamental physics, our research enables rational design of functional surfaces across multiple length scales. The outcomes are directly relevant to emerging technologies in plasmonics, soft electronics, printing and coating technologies, microfluidics, and biomedical diagnostics. At a broader level, our work contributes to the fundamental understanding of non-equilibrium pattern formation, fracture, and self-assembly at surfaces and interfaces, providing generalizable design principles for next-generation material platforms.
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Interested candidates willing to take up challenging problems may apply for PhD positions. Please contact via e-mail.
See Research and Publication for latest updates
Dec 22, 2025: Jaspreet delivers his synopsis seminar
Our group welcomes Naveen Kumar to join as a PhD student
Our group welcomes Anand Sagar to join as a PhD student
Congratulations to Deeksha for joining IITM as a postdoctoral fellow
June 23, 2025: Deeksha defends her thesis
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