Faculty Homepage


Sangam Banerjee
Affiliation Surface Physics Division
Centre for Nanomaterials and Surface Physics
Designation Professor
Ph.D. 1993 (Indian Institute of Science, Bangalore)
Joined as Faculty Member in 1997
E-mail ID sangam.banerjee[AT]saha.ac.in
Room Number 3320
Telephone extension 3328
Personal homepage http://www.saha.ac.in/surf/www/members_template.php?id=30
Career Profile (1) Visiting fellow, Pohang Accelerator Lab, Pohang, South Korea, Sept 1996 - July 1997 ; (2) Visiting Senior scientist, STA fellowship for synchrotron studies, Spring-8, Japan, Feb-April 1999 ; (3) Visiting Fellow, LPEC, Universite du Maine, France , June 2000 to Mar. 2001 ; (4) Visiting fellow, European (ESQUI) project on microelectronics, ST Microelectronics, MDM lab. Milano Italy, June - Aug 2002 ; (5) On Deputation, Setting up nano-science laboratory Materials Science Division, IGCAR, Kalpakkam, Mar. 2004 to Sept. 2005 ; (6) Convener of NN DasGupta memorial workshop on microscopic technique (Sept. 19th – 22nd, 2000, SINP) organized by Microscopic Society of India ; (7) Chaired sessions in International Workshop of European Material Research Society 2003 (E-MRS-2003) Spring Meeting, Strasbourg (France) June 10-13, 2003. Symposium M ; (8) Scientific committee member in International Conference - European Material Research Society, Strasbourg (France) (E-MRS 2005, May 31—June 3) Symposium P ; (9) Nominated for Theoretical Physics Seminar Circuit (TPSC) – 2002 –2003, Category B – Senior Faculty ; (10) Invited to participate as a Judge for promotion of faculty (Assoc. Prof) in Montpellier University, France- February 2001 ;
Research Interests (a) Development of new analysis schemes for grazing incidence x-ray reflectivity. (b) Developing new scanning probe microscopic (SPM) techniques to use SPM beyond topography such as: elastic measurements, chemical changes, fabrication of nano-structures, electrical and magnetic measurements at nano-scales. (c) Electrical and magnetic properties of nano-materials and bulk metallic alloys, transition metal oxides, biological samples, etc. (d) Magnetocaloric Effect (MCE) of certain rare earth intermetallic compounds, manganates, ferrites, oxides etc. (e) Nano-bio: Development of non-enzymatic bio-sensors, Biocidal activity using nanoparticle, elastic properties of bacteria etc. using AFM etc.
Selected publications
  1. (From 2005 onwards) Effect of self-affine fractal characteristics of surfaces on wetting, S. Sarkar, S. Patra, N. Gayathri and S. Banerjee, Applied Physics Letters 96, 063112 (2010)
  2. Electronic Properties of Nano-graphene Sheets Calculated using Quantum Chemical DFT, S. Banerjee and D. Bhattacharyya, Computational Material Science 44 41–45 (2008)
  3. Enhancement of ferromagnetism upon thermal annealing in pure ZnO, S. Banerjee, M Mandal, N. Gayathri and M. Sardar., Appl. Phys. Lett. 91, 182501 (2007)
  4. Imaging distribution of local stiffness over surfaces using atomic force acoustic microscopy, S. Banerjee, N. Gayathri, S. R. Shannigrahi, S. Dash, A. K. Tyagi and B. Raj, J. Phys. D: Appl. Phys. 40(8), 2539 (2007)
  5. Magnetocaloric effect in Ho5Pd2: Evidence of large cooling power Tapas Samanta, I. Das, and S. Banerjee Appl. Phys. Lett. 91, 082511 (2007)
  6. Detecting onset of chain scission and crosslinking of γ-ray irradiated elastomer surfaces using frictional force microscopy, S. Banerjee, N. K. Sinha, N. Gayathri, D. Ponraju, A. K. Tyagi and B. Raj, J. Phys. D: Appl. Phys. 40(3), 834 (2007)
  7. Physics and chemistry of photocatalytic titanium dioxide: Visualization of bactericidal activity using atomic force microscopy, S. Banerjee, Judy Gopal, P. Muraleedharan, A. K. Tyagi1 and Baldev Raj, Current Science, 90(10), 1378 (2006)
  8. Enhanced conductivity in graphene layers and at their edges, S. Banerjee, M. Sardar, N. Gayathri, A. K. Tyagi, and Baldev Raj, Applied Physics Letters 88, 062111 (2006)
  9. Conductivity landscape of highly oriented pyrolytic graphite surfaces containing ribbons and edges, S. Banerjee, M. Sardar, N. Gayathri, A. K. Tyagi, and Baldev Raj, Physical Review B 72, 075418 (2005)
  10. A comparative study of contact resonance imaging using atomic force microscopy, S. Banerjee, N. Gayathri, S. Dash, A. K. Tyagi, and Baldev Raj, Applied Physics letters, 86, 211913 (2005)
Last modified on : 23-3-2010 Back to Institute homepage