Arup Kumar Raychaudhuri
    Senior Professor & Director
   






   arup@bose.res.in
   www.bose.res.in
   Telephone +91-33-2335 5706/07/08
 

Educational Background:

  • M.Sc (Physics) Indian Institute of Technology /Kanpur –1975 CGPA- 10/10
  • Ph.D (Physics) –Cornell University, Ithaca, USA-1980
  • Professional Background:

  • Alexander von Humboldt Fellow Max Planck Institute, Germany 1980-82
  • Faculty , Indian Institute of Science, Bangalore 1982-2004
  • Director , National Physical Laboratory, New Delhi 1997-2000
  • Senior Professor, S.N.Bose National Centre, Kolkata, 2004
  • Director , S.N.Bose National Centre, Kolkata, 2006 till date
  • Important awards and fellowship of academies:

  • Fellow, Indian Academy of Sciences
  • Shanti Swarup Bhatnager Award
  • Fellow Indian National Science Academy
  • FICCI Award in applied sciences
  • Asiatic Society Meghnad Saha Memorial Gold Medal
  • J.C. Bose Fellowship (DST)
  • Homi Bhaba Medal (INSA)
  • Main area of work

  • Synthesis and physics of nanomaterials.
  • Nanolithography and measurements on single nanowires.
  • Physics of correlated oxides.
  •  
    • Scanning Probe Microscopy and Spectroscopy.
    • Noise spectroscopy (1/f noise, Random Telegraphic Noise and thermal fluctuation spectroscopy)
    • Instrumentation development.

        Significant recent publications:

    • K. S. Nagapriya_, A. K. Raychaudhuri, Dipankar Chatterji;(2006); “Direct observation of large temperature fluctuations during DNA thermal denaturation”; Physical Review Letts. 96, 038102
    • Aveek Bid, Achyut Bora and A. K. Raychaudhuri; (2006); “Temperature dependence of the resistance of metallic nanowires (diameter 15nm): Applicability of Bloch-Gruneisen theorem.”; Phys. Rev B 74, 035426
    • H. Jain and A.K.Raychaudhuri; (2008); “Hot electron effects and non--linear transport in hole doped manganites”; Appl. Phys. Letters 93, 182110
    • M. Venkata Kamalakar* and A.K.Raychaudhuri*; (2008); “A novel method of synthesis of dense arrays of aligned single crystalline copper nanotubes using electrodeposition in presence of a rotating electric field”; Advanced . Mater. 20, 149
    • Achuyt Bora and A.K.Raychaudhuri; (2008); “Low frequency resistance fluctuations in metal films under current stressing at low temperatures (T < 0.3 Tmelting)”; Phys. Rev B 77, 075423
    • Tapati Sarkar, Barnali Ghosh , A. K. Raychaudhuri and T.Chatterjee; (2008); “Crystal structure and physical properties of half-doped manganite nanocrystals with size < 100nm”.; Phys. Rev B 77, 235112
    • Manoranjan Ghosh and A. K. Raychaudhuri; (2008); “Shape transition in ZnO nanostructures and its effect on blue-green photo luminescence”; Nanotechnology 19, 445704
    • S. Arumugam, Barnali Ghosh and A. K. Raychaudhuri; (2009); “Pressure (P > 8GPa) induced metallization of ferromagnetic insulating La0:79Ca 0:21MnO3”; J. Appl. Phys. 106, 023905
    • M. Venkata Kamalakar, A. K. Raychaudhuri, Xueyong Wei, Jason Teng and Philip D Prewett; (2009); "Temperature dependent electrical resistivity of a single crystalline ferromagnetic nanowire"; Appl.Phys.Letts. 95, 013112
    • Sudeshna Samanta, M. Venkata Kamalakar, and A. K. Raychaudhuri; (2009); “Investigation of Very Low-Frequency Noise in Ferromagnetic Nickel Nano wires”; Journal of Nanoscience and Nanotechnology 9, 5243
    • Rabibrata Mukherjee, Soma Das, Anindya Das, Satinder Sharma, Arup K. Raychaudhuri and Ashutosh Sharma; (2010); “Stability and Dewetting of Metal Nanoparticles Filled Thin Polymer Films: Control of Instability Lengthscale and Dynamics”; ACS NANO 4 3709
    • Shanewaz Mandal and A.K.Raychaudhuri;(2011); “Observation of a large gate- controlled persistent photoconduction in single crystal ZnO at room temperatures”; Appl Phys.Letts 98, 023501
    • M. Venkata Kamalakar and A. K. Raychaudhuri;(2010); “ Resistance anomaly near phase transition in confined ferromagnetic nanowires”; Physical Review B 82, 195425
    • K.S. Nagapriya, A. K Raychaudhuri;(2010); “Thermal fluctuation spectroscopy of DNA thermal denaturation”; Biophysical Journal 99, 2666
     
     
    Personal Home Page
    Home
    Research Group
    Faculty Page