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Department of Physics, Applied Physics, and Astronomy
Rensselaer Polytechnic Institute
110 Eighth Street, Troy, New York 12180-3590 USA

Telephone:
(518) 276-6310
Fax: (518) 276-6680
E-mail: physics@rpi.edu

Swastik Kar 
Swastik Kar 

Research Assistant Professor of Physics

Contact:
(518) 276-6410
kars@rpi.edu

Education:
Ph.D., Physics, Indian Institute of Science, Bangalore, India (2004)
M.S., Physics, Indian Institute of Science, Bangalore, India (1998)
B.Sc., Physics, Presidency College, Calcutta, India (1995)

Career Highlights:
Since July 2008: Research Assistant Professor, Department of Physics, Applied Physics and Astronomy, RPI
2007-2008: Lead Research Specialist, Interconnect Focus Center New York at RPI, (jointly in Materials Science and Engineering and Center for Integrated Electronics), RPI
2004-2007: Postdoctoral Research Associate, Interconnect Focus Center New York at RPI, (jointly in Materials Science and Engineering and Center for Integrated Electronics), RPI
2003-2004: Postdoctoral Research Associate, Physikalisches Institut, Universität Karlsruhe, Karlsruhe, Germany

Research Interests:

  • Charge transport in graphene and graphene based materials
  • Raman imaging of graphene
  • Charge transport in carbon nanotubes and their hybrid structures
  • Magnetism in nano carbon structures
  • Carbon nanotubes and their composites for nano-scale transistors, memory elements, field emission devices, sensors etc.
  • Carbon nanotubes and graphene as electrical interconnects for gigascale integration

Selected Publications:

First Principle studies of Defect Induced Magnetism in Carbon, Y. Zhang, S. Talapatra, S. Kar, R. Vajtai, S. K. Nayak, P. M. Ajayan [Physical Review Letters, 99, 107201 (2007)]

Aligned Carbon Nanotube-Polymer Hybrid Architectures for Diverse Flexible Electronic Applications, Y.J. Jung, S. Kar*, S. Talapatra, C. Soldano, G. Viswanathan, X. Li, Z. Yao, F.S. Ou, A. Avadhanula, R. Vajtai, S. Curran, O. Nalamasu, P.M. Ajayan [Nano Letters**, 6 413 (2006)]

Direct Growth of Aligned Carbon Nanotubes on Bulk Metals, S. Talapatra, S. Kar, S. K. Pal, R. Vajtai, L. Ci, P. Victor, M. M. Shaijumon, S. Kaur, O. Nalamasu, P. M. Ajayan [Nature Nanotechnology, 1, 112 (2006)]

Effect of Ambient Pressure on Resistance and Resistance Fluctuations in Single-Wall Carbon Nanotube Devices, A. Vijayaraghavan, S. Kar*, S. Rumyantsev, A. Khanna, C. Soldano, N. Pala, R. Vajtai, K. Kanzaki, Y. Kobayashi, O. Nalamasu, M. S. Shur, P. M. Ajayan [Journal of Applied Physics, 100, 024315 (2006), and Virtual J. Nanoscale Science & Tech., Aug 14, 2006]

Quantitative analysis of Hysteresis in Carbon Nanotube Field-Effect devices, S. Kar, A. Vijayaraghavan, C. Soldano, S. Talapatra, R. Vajtai, O. Nalamasu, P.M. Ajayan [Applied Physics Letters, 89, 132118 (2006), and Virtual J. Nanoscale Science & Tech., Oct 16, 2006]

Charge-Injection-induced Dynamic Screening and Origin of Hysteresis in Field-modulated Transport in Single-Wall Carbon Nanotubes, A. Vijayaraghavan, S. Kar*, C. Soldano, S. Talapatra, O. Nalamasu P.M. Ajayan [Applied Physics Letters, 89, 162108 (2006), and Virtual J. Nanoscale Science & Tech., Oct 30, 2006]

Metal-Semiconductor Transition in Single-Walled Carbon Nanotubes Induced by Low-Energy electron Irradiation, A. Vijayaraghavan, K. Kanzaki, S. Suzuki,Y. Kobayashi, H. Inokawa, Y. Ono, S. Kar, P.M Ajayan [Nano Letters, 5 1575 (2005)]

Observation of non-Gaussian conductance fluctuations at low temperatures in Si:P(B) at the metal-insulator transition, S. Kar, A. K. Raychaudhuri, A. Ghosh, H. v. Löhneysen and G. Weiss [Physical Review Letters, 91 216603 (2003)]

Superconducting NbSe2 nanostructures, M. Nath, S. Kar, A. K. Raychaudhuri, C.N.R. Rao [Chemical Physics Letters, 368 690 (2003)]

Onset of long-range diffusion and exponent of 1/fα noise in metal films with electromigration damage, S. Kar, A.K. Raychaudhuri [Applied Physics Letters, 81 5165 (2002)]

Temperature and frequency dependence of flicker noise in degenerately doped Si single crystals S. Kar, A.K. Raychaudhuri [Journal of Physics D: Applied Physics, 34 3197 (2001)]

*Equally contributing and/or corresponding author

**Among most cited in 2006 Nano Letters. Featured in Nature, MRS Bulletin, Chemical and Engineering News, Technology Review, Materials Today, New Scientist, De Ingenieur, Electronics Weekly, PC magazine, Discovery.com

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