Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
1561 Magnetism in RMn4Al8 (R = Sc; Sm, Tb, Dy and Ho) compounds: possible role of Mn R. Nirmala, V. Sankaranarayanan, K. Sethupathi, T. Geethakumary, M.C. Valsakumar, Y. Hariharan, A.V. Morozkin Physica B 329-333, 673-74 (2003)

2003
1562 Structural and magnetic properties of (Sm1-xPrx)2Fe27.5Ti1.5 [x = 0.2, 0.5, 0.8, 1.0] and their nitrides 24. V. R. Shah, G. Markandeyulu, K. V. S. Rama Rao, M. Q. Huang, K. Sirisha and M. E. McHenry J. Alloys and Compounds, 352 6-15 (2003)

2003
1563 Effects of oxygen annealing on the physical properties and surface microstructures of La0.8Ba0.2MnO3 films P. Murugavel, J. H. Lee, K.-B Lee, J. H. Park, J.-S. Chung, J.-G. Yoon and T. W. Noh J. Phys. D: Appl. Phys. 35, 3166 (2002).

2002
1564 Theoretical and experimental studies on photophysical parameters of DBPI by using transient grating technique R. J. Rajesh , P. B. Bisht Chem. Phys. Letters357, 420-425 (2002).

2002
1565 Atmospheric Turbulence studies using Twyman-Green Interferometer P.Arulmozhivarman, N.Manivannan and A.R.Ganesan J. of the Instrument Soc. of India 32 ,1 59-65 (2002)

2002
1566 Magnetic properties of Er2Mn3Si5 R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A. V. Morozkin, Z. Chu, W. B. Yelon, S. K. Malik, Y. Yamamoto and H. Hori Journal of Alloys and Compounds, 347 9-13 (2002)

2002
1567 Electrical transport and magnetic ordering in R2Ti3Ge4 (R = Dy, Ho and Er) compounds R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A. V. Morozkin, T. Geethakumary and Y. Hariharan Pramana – Journal of Physics 58 1101-1104 (2002)

2002
1568 Magnetic Structure of Tb2Mn3Si5 R. Nirmala, A. V. Morozkin, M. Hofmann, V. Sankaranarayanan, K. Sethupathi, Y. Yamamoto and H. Hori Journal of Alloys and Compounds 335 43-47 (2002)

2002
1569 New materials for Magnetic refrigerator Applications R. Nirmala, V. Sankaranarayanan, K. Sethupathi and A.V. Morozkin Key Engineering Materials 227 113-118 (2002)

2002
1570 Electronic phase transitions and magnetoresistance in a new bilayer manganate, Ca2.5Sr0.5GaMn2O8 P.D. Battle, S. Blundell, P.N. Santhosh, M.J. Rosseinsky, and C. Steer J.Phys.Cond.Matter., 14 13569 (2002)

2002
1571 Verwey transition under oxygen loading in REBaFe2O5+w,(RE = Nd and Sm) P. Karen, P.M.Woodward, P.N. Santhosh, T. Vogt, P.W. Stephens and S. Pagola J.Solid State Chem., 167 (2002)

2002
1572 Effect of Al, Cu, Ga and Nb additions on the magnetic and microstructural features of sintered NdFeB 25. S. Pandian, V. Chandrasekharan, G. Markandeyulu, K. J. L. Iyer and K. V. S. Rama Rao J. Appl. Phys., 92 6082 – 6096 (2002)

2002
1573 A study of ferroelectric thin films deposited on a LaNiO3 barrier electrode by nebulized spray pyrolysis P. Murugavel, Rajat Sharma, A. R. Raju and C. N. R. Rao J. Phys. D: Appl. Phys., 33, 906 (2000)

2000
1574 Magnetic excitations in charge-ordered Nd0.5Ca0.5MnO3 : A Brillouin scattering study P. Murugavel, Chandrabhas Narayana, Ajay K. Sood, Sachin Parashar, A. R. Raju and C. N. R. Rao Euro Phys. Lett., 52, 461 (2000).

2000
1575 A Brillouin scattering study of the quasi-one-dimensional blue bronze, K0.3MoO3 P. Murugavel, Chandrabhas Narayana, Ajay K. Sood and C. N. R. Rao J. Phys. C: Condens. Matter. 12, L225 (2000).

2000
1576 Brillouin Scattering from C70 and C60 films: A comparative study of elastic properties P. Murugavel, Chandrabhas Narayana, A. Govindaraj, Ajay K. Sood and C. N. R. Rao Chem. Phys. Lett., 331, 149 (2000).

2000
1577 Transport anomalies and marginal Fermi liquid effects at a quantum critical point D. Belitz, T.R. Kirkpatrick, R. Narayanan and T. Vojta Phys. Rev. Lett. 85, 4602, (2000).

2000
1578 Phase separation over an extended compositional range: Studies of the Ca1-xBixMnO3(x , 0.25) Phase diagram, P.N. Santhosh, J. Goldberger, P. M.Woodward, T. Vogt, W. Lee and A. Epstein Phys.Rev. Cond.Matter., B62 14928 (2000)

2000
1579 Effect of cation size and disorder on the structure and properties of the rare earth cobaltates,Ln0.5A0.5CoO3 (Ln = Rare Earth, A = Sr, Ba) P.V. Vanitha, Anthony Arulraj, P.N. Santhosh, and C. N. R. Rao Chem.Mater., 12 1666 (2000)

2000
1580 On the critical behavior of disordered quantum magnets: The relevance of rare regions R. Narayanan, T. Vojta, D. Belitz, and T.R. Kirkpatrick Phys. Rev. Lett. 82, 5132 (1999).

1999
1581 Influence of rare regions on magnetic quantum phase transitions R. Narayanan, T. Vojta, D. Belitz, and T.R. Kirkpatrick Phys. Rev. B. 60, 10150, (1999).

1999
1582 Effects of rare regions on magnetic quantum phase transitions R. Narayanan, T. Vojta, D. Belitz, and T.R. Kirkpatrick, Ann Phys. 8, 185, (1999).

1999
1583 Quantum critical behavior of itinerant ferromagnets T. Vojta, D. Belitz, T.R. Kirkpatrick and R. Narayanan Ann. Phys. 8, 593, (1999).

1999
1584 Charge ordering in electron-doped manganates P.N. Santhosh, Arulraj A, Vanitha P. V., Singh R.S., Sooryanarayana K, Rao C.N. R J.Phys.:Cond.Matter., 11 L27 (1999)

1999
1585 Synthesis and current-voltage characterization of tin dioxide varistors Kale A.S, Seal S, Date S.K, Santhosh P.N, Barve R.N Journal of Vac. Sci. & Tech. A, 17(4) 1196-1200 (1999)

1999
1586 Effect of the cation size disorder on charge ordering in rare-earth manganates Vanitha P.V., Santhosh P.N, Singh R.S, Rao C.N. R, Attfield J.P Phys. Rev. Cond. Mater., B59 13539 (1999)

1999
1587 Preparation and characterization of sub-micron spherical particles of Al2O3, SiO2 and mullite P. Murugavel, M. Kalaiselvam, M. K. Renganathan, A. R. Raju Mater. Chem. Phys., 53, 247 (1998).

1998
1588 Crystalline alumina films prepared by nebulized spray pyrolysis P. Murugavel, Benedict Ita and A. R. Raju Bull. Mater. Sci., 107 (1998).

1998
1589 Charge-ordering in manganates Rao C.N.R, Arulraj A, Santhosh P.N, Cheetham A.K Chem.Mater., 10 2714 (1998)

1998
1590 Evolution of the cluster glass system La0.5Sr0.5CoO3 Anil, Kumar P. S.; Nair, Santhosh P. N.; Alias, Joy P.; Date S. K. J. Mater. Chem. 8 2245 (1998)

1998