Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
1381 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
1382 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
1383 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
1384 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
1385 New materials for Magnetic refrigerator Applications R. Nirmala, V. Sankaranarayanan, K. Sethupathi and A.V. Morozkin Key Engineering Materials 227 113-118 (2002)

2002
1386 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
1387 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
1388 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
1389 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
1390 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
1391 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
1392 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
1393 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
1394 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
1395 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
1396 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
1397 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
1398 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
1399 Quantum critical behavior of itinerant ferromagnets T. Vojta, D. Belitz, T.R. Kirkpatrick and R. Narayanan Ann. Phys. 8, 593, (1999).

1999
1400 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
1401 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
1402 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
1403 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
1404 Crystalline alumina films prepared by nebulized spray pyrolysis P. Murugavel, Benedict Ita and A. R. Raju Bull. Mater. Sci., 107 (1998).

1998
1405 Charge-ordering in manganates Rao C.N.R, Arulraj A, Santhosh P.N, Cheetham A.K Chem.Mater., 10 2714 (1998)

1998
1406 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
1407 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
1408 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
1409 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
1410 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