Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
1471 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
1472 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
1473 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
1474 New materials for Magnetic refrigerator Applications R. Nirmala, V. Sankaranarayanan, K. Sethupathi and A.V. Morozkin Key Engineering Materials 227 113-118 (2002)

2002
1475 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
1476 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
1477 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
1478 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
1479 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
1480 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
1481 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
1482 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
1483 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
1484 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
1485 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
1486 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
1487 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
1488 Quantum critical behavior of itinerant ferromagnets T. Vojta, D. Belitz, T.R. Kirkpatrick and R. Narayanan Ann. Phys. 8, 593, (1999).

1999
1489 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
1490 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
1491 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
1492 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
1493 Crystalline alumina films prepared by nebulized spray pyrolysis P. Murugavel, Benedict Ita and A. R. Raju Bull. Mater. Sci., 107 (1998).

1998
1494 Charge-ordering in manganates Rao C.N.R, Arulraj A, Santhosh P.N, Cheetham A.K Chem.Mater., 10 2714 (1998)

1998
1495 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
1496 Charge ordering in the rare-earth manganates: the origin of the extraordinary sensitivity to the average radius of the A-site cations, < rA>., Arulraj A, Santhosh P.N, Gopalan R.S, Guha A, Raychaudhuri A.K, Kumar N, Rao C. N. R. J. Phys.:Condensed Matter., 10 8497 (1998)

1998
1497 Effect of internal pressure on charge-ordered rare earth manganates Rao C. N. R, Santhosh P.N, Singh R.S, Arulraj A J.Solid State Chem.,135 169 (1998)

1998
1498 Sub-micrometer spherical particles of TiO2, ZrO2 and PZT by nebulized spray pyrolysis of metal-organic precursors P. Murugavel, M. Kalaiselvam. A.R. Raju and C. N. R. Rao J. Mater. Chem., 7(8), 1433 (1997).

1997
1499 Synthesis and role of Nd and Sm on the microwave dielectric properties of BaNd2(1-x)Sm2xTi5O14 dielectric resonator V. Satheesh, P. Murugavel, V. R. K. Murthy, B. Viswanathan Mater. Sci. and Engg., B48, 202 (1997).

1997
1500 Quantum critical behavior of clean itinerant ferromagnets T. Vojta, D. Belitz, R. Narayanan and T.R. Kirkpatrick .Phys. B103, (1997) 451.

1997