Dr. Subhendu Sarkar

Associate Professor

Department of Physics



Dr. Sarkar is an Assistant Professor of Physics, working in the area of surface and interface physics. He works on surface patterning using various physical and chemical means. He has experience in working with low energy ion beams as well as chemical etching techniques. After obtaining his doctoral degree from the Surface Physics Division of Saha Institute of Nuclear Physics, Kolkata, Dr. Sarkar worked as a post-doctoral fellow at Inter-University Microelectronic Centre (IMEC), Belgium. He was a visiting scientist at Indira Gandhi Centre for Atomic Research, Kalpakkam before joining IIT Ropar. He is the author of several publications in his areas of research and is a recipient of the MRSI Award.

Areas of Research

Investigation of non linear effects in low energy ion beam bombardment for the generation of self-organized ordered semiconductor nanostructures.
Theoretical and experimental investigation of the onset time of nanostructure formation by low energy ion beam methods.
Chemical effects vital to nanostructure formation under low energy beams.
Self organization in ion bombarded alloy surfaces
Dynamic scaling studies on early stage etching of semiconductor surfaces


Ph.D., Saha Institute of Nuclear Physics, Kolkata, India, 2006
M.Sc., University of Calcutta, India, 1997
B.Sc, St. Xavier's College, Kolkata, India, 1995

Work Experience

Assistant Professor, Indian Institute of Technology Ropar, India, 2009 - Present
Visiting Scientist, IGCAR, India, 2008 – 2009
Post Doctoral Fellow, Interuniversity Microelectronics Center (IMEC), Belgium, India, 2006-2008

Selected Publications/Patents

Impact of repetitive and random surface morphologies on the ripple formation on ion bombarded SiGe surfaces, Subhendu Sarkar, Benny Van Daele and Wilfried Vandervorst, New J. Phys. 10, 083012 (2008).
Secondary emission of MCsn+ molecular ions under the joint influence of electropositive and electronegative elements, Biswajit Saha, Subhendu Sarkar, Purushottam Chakraborty and Hubert Gnaser, Surf. Sci. 602, 1061 (2008).
Instantaneous surface work function dependence of MCsn+ molecular ion emission under varying Cs environments, Subhendu Sarkar and Purushottam Chakraborty, Nucl. Instrum. and Meth. B, 232, 153 (2005).
Energetics of MCsn+ molecular ions emitted from Cs+ irradiated surfaces, Subhendu Sarkar, Purushottam Chakraborty and Hubert Gnaser, Phys. Rev. B, 70(19), 195427 (2004).
Interfacial diffusion in a double quantum well structure, Subhendu Sarkar, P.Chakraborty, M.K.Sanyal, F.Caccavale and B.M.Arora, Surf. Interface Anal., 29, 659-662, (2000).

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