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Prof. V. Sankaranarayanan 's Profile


DESIGNATION
CURRENT RESEARCH INTEREST
 
Professor
Low Temperature Physics, Super Conductivity
GROUP
PERSONAL HOME PAGE
Low Temperature Physics
 
   Recent Publications :
 
  1. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Kinetics of hydrogen absorption in Ho1-xMmxCo2 alloys
    J.Alloys Compounds In Press (available online).

    2.
  2. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Hydrogen-induced and A-site substitution dependent structural properties of AB2 -type (Ho1-xAx)Co2-Hydrogen system (A = Mm and Ti). J. Alloys Compounds In Press (available online). 

    3.
  3. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Structural and hydriding-dehydriding properties of Ho1-xTixCo2 alloys 
    Materials Science and Engineering A , In Press (available online)

    4.
  4. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Hydrogen absorption and desorption properties of Ho1-xMmxCo2alloys 
    Int. J. Hydrogen Energy 32, 2480-2487 (2007)

    5.
  5. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Thermodynamic and hydrogen-induced structural properties of Ho1-xMmxCo2-hydrides 
    J. Phys. D: Appl. Phys. 40 1183-1189 (2007)

    6.
  6. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Diffusion of hydrogen in cubic Laves phase Ho1-xMmxCo2 (x = 0, 0.2 and 0.4) alloys. 
    Int. J. Hydrogen Energy32, 2965-2970 (2007) 

    7.
  7. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Hydrogen-induced and A-site substitution dependent structural properties of AB2-type(Ho1-xAx)Co2-Hydrogen system (A = Mm and Ti) 
    J. Alloys Compounds In Press (available online)

    8.
  8. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Structural and hydriding-dehydriding properties of Ho1-xTixCo2 alloys
    Materials Science and Engineering A, In Press (available online)

    9.
  9. G. Srinivas,V. Sankaranarayanan and S. Ramaprabhu 
    Hydrogen absorption and desorption properties of Ho1-xMmxCo2 alloys, 
       Int.J.Hydrogen Energy,32, 2480-2487(2007) 

    10.
  10. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Thermodynamic and hydrogen-induced structural properties of Ho1-xMmxCo2-hydrides.
    J. Phys. D: Appl. Phys40, 1183-1189 (2007)

    11.
  11. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Diffusion of hydrogen in cubic Laves phase Ho1-xMmxCo2 (x = 0, 0.2 and 0.4) alloys
    Int. J. Hydrogen Energy32, 2965-2970 (2007)

    12.
  12. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Influence of hydrogen absorption on structural and electrical transport properties of Ho1-xMmxCo2 alloys
    J. Appl. Phys.102, Issue 6, 063706(1-8) (2007)

    13.
  13. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu 
    Temperature and concentration dependent electrical resistivity of Ho1-xTixCo2-hydrogen system. 
    Solid State Sciences9 , 973-979 (2007)

    14.
  14. R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A. V. Morozkin, Amish G. Joshi and S. K. Malik
    1.Magnetic and Electrical transport properties of DyxGd5-xSi2Ge2 (x = 0.0, 1.5, 2.5, 3.0, 3.5, 4.5 and 5.0) Compounds
    J.l Magnetism and Magnetic Materials 309, 212 (2007)

    15.
  15. C. Krishnamoorthy, K. Sethupathi and V. Sankaranarayanan
    Synthesis of single phase Ce doped nanocrystalline LaMnO3
    Materials Letters61, 3254-3257, (2007)

    16.
  16. C. Krishnamoorthy, K. Sethupathi, V. Sankaranarayanan, R. Nirmala and S.K. Malik
    Magnetic and magnetotransport properties of Ce doped nanocrystalline LaMnO3.
    J.Alloys and Compounds 438, 1-7 (2007)

    17.
  17. C. Krishnamoorthy, K. Sethupathi, V. Sankaranarayanan, R. Nirmala and S.K. Malik 
    Magnetic and magnetoresistivity properties of nanocrystalline Nd0.7Sr0.3MnO3. 
    Journal of Magnetism and Magnetic Materials 308,28-34(2007)

  18. C. Krishnamoorthy, K. Sethupathi, V. Sankaranarayanan, R. Nirmala and S. K. Malik
    Particle size effect on magnetotransport properties of nanocrystalline Nd0.7Sr0.3MnO3
    J. Nanoparticle Research DOI 10.1007/s11051-006-9101-x (2006)

    19.
  19. N. Rama, K. Mohan Kant, V. Sankaranarayanan and M.S. Ramachandra Rao 
    Effect of Ar annealing on the magnetic and transport properties of Pr0.7Sr0.3MnO3. 
    Journal of Magnetisnm and Magnetic Materials  303, e342-e346 (2006)

  20. N. Rama, V. Sankaranarayanan, and M. S. Ramachandra Rao 
    Role of double exchange interaction on the magnetic and electrical properties of Pr0.8Sr0.2MnO3 ferromagnetic insulating manganite 
    Journal of Applied Physics, 99,08Q315-1 to 08Q315_1-3 (2006). 

  21. R. Venkatesh, R. Nirmala, G. Rangarajan, S. K. Malik, and V. Sankaranarayanan 
    Study of the magnetic behavior of single-crystalline Nd0.5Sr0.5MnO3 
    Journal of Applied Physics, 99,08Q311-1 to 08Q311_1-3 (2006)

  22. C. Krishnamoorthy, K. Sethupathi, V. Sankaranarayanan, R. Nirmala, and S. K. Malik
    Electrical and magnetotransport properties of Nd-based manganite nanoparticles  
    Journal of Applied Physics, 99,08Q310-1 to 08Q310_1-3 (2006).

  23. R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A.V. Morozkin, Y. Yamamoto and H. Hori 
    Electrical transport properties of Dy0.5Gd4.5Si2Ge2 
    Physica B 373, 120-123 (2006)

  24. N. Rama, M. Opel, V. Sankaranarayanan, R. Gross, S.B. Ogale, T. Venkatesan, and M.S. Ramachandra Rao 
    A-site dependent percolative thermopower and Griffiths phase in Pr0.7-xHoxSr0.3MnO3 (x = 0.0, 0.04, 0.08 and 0.1) 
    Journal of Applied Physics, 97,10H713-1 to 10H713-3 (2005).

  25. R. Nirmala, V. Sankaranarayanan, K. Sethupathi A. V. Morozkin, Q. Cai and Z. Chu, J. B. Yang, W. B. Yelon, S. K. Malik  
    Magnetization and neutron diffraction studies on Dy5Si2Ge2 
    Journal of Applied Physics, 97,10M314 (2005).

  26. N. Rama, V. Sankaranarayanan and M. S. Ramachandra Rao 
    Effect  of  A-site  disorder  on  the  percolative  transport  of Pr0.7-yHoySr0.3MnO3,  (y=0.0, 0.04, 0.08 and 0.1)        
    Journal of Magnetisnm and Magnetic Materials  292, 468-475 (2005).

  27. N. Rama, M. S. Ramachandra Rao, V. Sankaranarayanan, P. Majewski, S. Gepraegs, M. Opel and R. Gross 
    A-site-disorder-dependent percolative transport and Griffiths phase in doped manganites 
    Physical Review B  70, 224424-1 to 224424-5 (2004). 

  28. N. Rama, J.B. Philipp, M. Opel, A. Erb, V. Sankaranarayanan, R. Gross, and M.S. Ramachandra Rao 
    Effect of rare earth ion substitution on the magnetic and transport properties of Pr0.7RE0.04Sr0.26MnO3 (RE = Er3+, Tb3+, and Ho3+) 
    European Physics Journal  B 38, 553-557 (2004).

  29. N. Rama, J.B. Philipp, M. Opel, K. Chandrasekaran, V. Sankaranarayanan, R. Gross, and M.S. Ramachandra Rao 
    Study of magnetic properties of A2B'NbO6 (A=Ba,Sr,BaSr; and B'=Fe and Mn) double perovskites 
    J Journal of Applied Physics. 95, 7528-7530 (2004).

  30. R. Nirmala, V. Sankaranarayanan, K. Sethupathi. G. Rangarajan, A.V. Morozkin, C.  Kundaliya Darshan S.K. Malik  
    Magnetism of R2Ti3Ge4(R=Sc, Gd, Tb,, Dy, Ho and Er) 
    Journal of Applied Physics, 95, 7079-7081 (2004).

  31. R. Nirmala, V. Sankaranarayanan, K. Sethupathi, T. Geethakumary, M.C. Valsakumar, Y. Hariharan, A.V. Morozkin 
    Magnetism in RMn4Al8 (R = Sc; Sm, Tb, Dy and Ho) compounds: possible role of Mn 
    Physica B 329-333,  673-74 (2003)

  32. R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A. V. Morozkin, Z. Chu, W. B. Yelon, S. K. Malik, Y. Yamamoto and H. Hori
    Magnetic properties of Er2Mn3Si5
    Journal of Alloys and Compounds, 347 9-13 (2002) 

  33. R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A. V. Morozkin, T. Geethakumary and Y. Hariharan
    Electrical transport and magnetic ordering in R2Ti3Ge4 (R = Dy, Ho and Er) compounds
    Pramana – Journal of Physics 58 1101-1104 (2002) 

  34. R. Nirmala, A. V. Morozkin, M. Hofmann, V. Sankaranarayanan, K. Sethupathi, Y. Yamamoto and H. Hori
    Magnetic Structure of Tb2Mn3Si5 
    Journal of Alloys and Compounds 335 43-47 (2002)

  35. R. Nirmala, V. Sankaranarayanan, K. Sethupathi and A.V. Morozkin
    New materials for Magnetic refrigerator Applications
    Key Engineering Materials 227 113-118 (2002)

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