Dr.Subhendu Sarkar sar.jpg
Assistant Professor
Department of Physics





Biography

Dr. Sarkar is an Assistant Professor of Physics, working in the areas of low energy ion beam physics, fabrication of nanostructures on semiconductor surfaces using ion beams, and secondary ion mass spectroscopy. 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.

Research Interests

  • 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.
  • Growth of alloy and multilayered nanodots by low energy ion beam techniques.
  • Molecular ion complex formation under low energy sputtering conditions.
  • Early stage morphologies (islands and rings) of Au thin film growth by physical vapour deposition.
  • Stoichiometric and structural characterization of metastable interfacial alloys formed in semiconductor and metallic multilayers.

Education

  • 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-
  • Visiting Scientist, IGCAR, India, 2008 – 2009
  • Post Doctoral Fellow, Interuniversity Microelectronics Center (IMEC), Belgium, India, 2006-2008

Selected Publications

1. 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).

2. 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).

3. 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).

4. Energetics of MCsn+ molecular ions emitted from Cs+ irradiated surfaces, Subhendu Sarkar, Purushottam Chakraborty and Hubert Gnaser, Phys. Rev. B, 70(19), 195427 (2004).

5. 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).