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Prof. A. Subrahmanyam 's Profile


DESIGNATION

CURRENT RESEARCH INTEREST
 
Professor



Semiconductor devices, Photovoltaics
GROUP
PERSONAL HOME PAGE
 
   Recent Books :
  1. A. Subrahmanyam and C. Suresh Kumar
    Kelvin Probe for Surface Engineerign: Fundamentals and Design, Ane Books Pvt.
    Ltd, India, 2009. (Foreign Edition, CRC Press, ISBN (10): 1420080776)

  2. A. Subrahmanyam , T.P.J. Ramesh, A. Karuppasamy, U.K. Barik, K. Jagadeesh Kumar, N. Ravichandra Raju, and R.V. Muniswami Naidu.
    Emerging Concepts and Challenges in Nao Metal Oxide Thin films
    In Valencia, R.P (eds.) Applied Physics in the 21st Century,
    (Horizons in World Physlcs, Volume 266), Nova Science Publishers,
    Incor, USA, 2009.
   Recent Publications :
 
  1. K. Jagadeesh Kumar, N. Ravi Chandra Raju, and A. Subrahmanyam 
    Studies on the photocatalytic properties of pulsed reactive DC magnetron sputtered tantalum oxide (Ta2O5) thin films
    Surf. Coat Technol.205, S261 (2011).

  2. K. Jagadeesh Kumar, N. Ravi Chandra Raju, and A. Subrahmanyam 
    Thickness dependent physical and Photocatalytic properties of ITO thin films prepared by reactive DC magnetron sputtering
    Appl. Surf. Sci., 257, 3075 (2011).

  3. N. Ravi Chandra Raju, K. Jagadeesh Kumar, and A. Subrahmanyam 
    Silver oxide (AgO) thin films for surface enhanced Raman scattering (SERS) studies
    AIP Conf. Proc., 1267, 1005 (2010).

  4. N. Ravi Chandra Raju, K. Jagadeesh Kumar, and A. Subrahmanyam 
    Physical properties of silver oxide thin films by pulsed laser deposition: effect of oxygen pressure during growth
    J. Phys. D: Appl. Phys., 42, 135411 (2009).

  5. K. Muthu Karuppasamy and A. Subrahmanyam 
    Studies on the Correlation between Electro Chromic coloration and Relative Density of Tungsten Oxide (WO 3-x) Thin Films prepared by Electron Beam Evaporation
    J. Phys D: Appl. Phys., 42, 095301 (2009).

  6. K. P. Biju , A. Subrahmanyam and Mahaveer K. Jain
    Low Temperature Growth of Polycrystalline GaN Films using Modified Activated Reactive Evaporation
    J. Cryst. Growth., 311, 2275 (2009).

  7. K. P. Biju , A. Subrahmanyam and Mahaveer K. Jain
    Growth of InN Nanocrystalline Films by Activated Reactive Evaporation
    J. Nanosci. Nanotechnol. 9, 1 (2009).

  8. A. Subrahmanyam , Y. Bharat Kumar Reddy and C. L. Nagendra
    Nano-Vanadium oxide Thin Films in Mixed Phase for Micro bolometer Applications
    J. Phys D: Appl. Phys., 41, 195108 (2008).

  9. K P Biju, M. K. Jain and A. Subrahmanyam 
    Growth of InN thin films by modified activated reactive evaporation
    J. Phys D: Appl. Phys.,41, 155409 (2008).

  10. K. Muthu Karuppasamy and A. Subrahmanyam 
    Electrochromic and Photocatalytic properties of electron beam evaporated vanadium doped tungsten oxide thin films
    Sol. Energy Mater. Sol. Cells., 92, 1322 (2008).

  11. Krishna Valleti, A. Subrahmanyam , Srikant V. Joshi, A. R. Phani, M. Passacantando and S. Santucci 
    Studies on phase dependent mechanical properties of DC magnetron sputtered TaN thin films: Evaluation of super hardness in orthorhombic Ta4N phase
    J. Phys D: Appl. Phys., 41, 045409 (2008).

  12. V. Hari Babu, A. Subrahmanyam and G. Markandeyulu
    Magnetostriction of Tb0.1Ho0.9-xPrx(Fe0.9B0.12 (x=0-0.4) compounds
    J. Phys D: Appl.Phys.,103, 07B313 (2008).

  13. V. Hari Babu G. Markandeyulu and , A. Subrahmanyam 
    Magnetostriction of TbxHo0.75-xPr0.25(Fe0.9B0.1)2 (x=0-0.3) compounds
    J. Magn. Magn. Mater., 320 , 990 (2008).

  14. Krishna Valleti, A. Subrahmanyam and Shrikant V. Joshi
    Growth of nano crystalline near α - phase Tantalum thin films at room temperature using cylindrical magnetron cathode
    Surf. Coat Technol., 202, 3325 (2008).

  15. K Muthu Karuppasamy and A. Subrahmanyam 
    Results on the Electrochromic and photocatalytic properties of vanadium doped tungsten oxide thin films prepared by reactive dc magnetron sputtering technique
    J. Phys D: Appl. Phys., 41, 035302 (2008).

  16. A. Karuppasamy and A. Subrahmanyam 
    Studies on Electrochromic smart windows based on titanium doped WO3 thin films
    Thin Solid Films, 516, 175 (2007).

  17. V. Hari Babu, G. Markandeyulu and A. Subrahmanyam 
    Giant magnetoresistance in Sm1-xNdxFe1.93 compounds
    Appl. Phys. Lett., 90, 252513 (2007).

  18. A. Subrahmanyam , T. Arockia Doss and T. Paul Ramesh
    Studies on the Oxygenation of human blood by Photocatalytic action
    Artificial Organs, 31, 819 (2007).

  19. A. Karuppasamy and A. Subrahmanyam 
    Electron beam induced coloration and luminescence in layered structure of WO3 thin films grown by pulsed dc magnetron sputtering
    J. Appl. Phys 101, 113522 (2007).

  20. A. Subrahmanyam , T. P. J. Ramesh and N. Ramakrishnan
    Oxygenation of human blood using photocatalytic reaction
    ASAIO Journal, 53, 434 (2007).

  21. A. Karuppasamy and A. Subrahmanyam 
    Studies on the room temperature growth of Nano anatase phase TiO2 thin films by Pulsed DC Magnetron with oxygen as sputter gas J. Appl. Phys 101, 064318 (2007).
    (Reprinted in) Virtual Journal of Nanoscale Science & Technology. April 09, 2007

  22. A. Subrahmanyam , Krishna Valleti, Srikant V Joshi and G. Sundararajan
    The effect of arc suppression on the physical properties of low temperature DC magnetron sputtered tantalum thin films
    J. Vac. Sci. Technol. A, 25, 378 (2007).

  23. A. Subrahmanyam and U. K. Barik
    Indium doped silver oxide thin films prepared by reactive electron beam evaporation technique: Electrical properties
    J. Mater. Science 42, 6041 (2007).

  24. A. Subrahmanyam and A. Karuppasamy
    Optical and Electrochromic properties of oxygen sputtered Tungsten Oxide (WO3) thin films
    Solar Energy Materials and Solar Cells 91, 266 (2007).

  25. A. Subrahmanyam and U. K. Barik
    Studies on the electrical properties of reactive DC Magnetron sputtered indium doped silver oxide thin films : the role of oxygen
    Physica B 391, 54 (2007).

  26. A. Karuppasamy and A. Subrahmanyam 
    Effect of electron bombardment on the properties of ZnO thin films
    Materials Letters 61, 1256 (2007).

  27. A. Subrahmanyam , C. Suresh Kumar and K. Muthu Karuppasamy
    A note on fast protonic solid state electrochromic device: NiOx/Ta2O5/WO3-x
    Solar Energy Materials and Solar Cells, 61, 62 (2007).

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