Department of Physics

Indian Institute Of Technology Madras , Chennai

Research Group

Alternative Energy and NanoTechnology

Alternative Energy and NanoTechnology

Atomic & Molecular Physics

Atomic & Molecular Physics

Dielectric Materials & Microwave Physics

Dielectric Materials & Microwave Physics
+1 Members

Dynamics Systems, Quantum Dynamics & Statistical Physics

Dynamics Systems, Quantum Dynamics & Statistical Physics
+1 Members

Environmental Physics

Environmental Physics

Experimental Condensed Matter Physics

Experimental Condensed Matter Physics

Experimental High Energy Physics

Experimental High Energy Physics
+1 Members

Gravity & Cosmology

Gravity & Cosmology

Low Dimensional Materials

Low Dimensional Materials

Low Temperature Physics

Low Temperature Physics
+2 Members

Magnetism and Magnetic Materials

Magnetism and Magnetic Materials
+1 Members

Measurement Tech.

Measurement Tech.

Molecular electronic & Instr.

Molecular electronic & Instr.

Multi Functional Materials

Multi Functional Materials

Nanomaterials

Nanomaterials

Nuclear Physics

Nuclear Physics

Optics & Photonics

Optics & Photonics
+2 Members

Outreach

Outreach/Demo activities

Quantum Information

Quantum Information

Soft Condensed Matter & Biological Physics

Soft Condensed Matter & Biological Physics
+2 Members

Theoretical Condensed Matter & Many Body Physics

Theoretical Condensed Matter & Many Body Physics

Theoretical High Energy Physics

Theoretical High Energy Physics
+1 Members

Thin Films

Thin Films

Recent Publications

# Titles Authors Journal Year
1321 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
1322 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
1323 New materials for Magnetic refrigerator Applications R. Nirmala, V. Sankaranarayanan, K. Sethupathi and A.V. Morozkin Key Engineering Materials 227 113-118 (2002)

2002
1324 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
1325 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
1326 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
1327 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
1328 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
1329 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
1330 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
1331 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
1332 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
1333 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
1334 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
1335 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
1336 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
1337 Quantum critical behavior of itinerant ferromagnets T. Vojta, D. Belitz, T.R. Kirkpatrick and R. Narayanan Ann. Phys. 8, 593, (1999).

1999
1338 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
1339 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
1340 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
1341 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
1342 Crystalline alumina films prepared by nebulized spray pyrolysis P. Murugavel, Benedict Ita and A. R. Raju Bull. Mater. Sci., 107 (1998).

1998
1343 Charge-ordering in manganates Rao C.N.R, Arulraj A, Santhosh P.N, Cheetham A.K Chem.Mater., 10 2714 (1998)

1998
1344 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
1345 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
1346 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
1347 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
1348 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
1349 Quantum critical behavior of clean itinerant ferromagnets T. Vojta, D. Belitz, R. Narayanan and T.R. Kirkpatrick .Phys. B103, (1997) 451.

1997
1350 Breakdown of Landau-Ginzburg-Wilson theory for certain quantum phase transitions T. Vojta, D. Belitz, R. Narayanan and T.R. Kirkpatrick Europhys. Lett., 36 (3), (1996), 191

1996