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
1171 Enhanced Magnetoresistance Effect in Single Crystalline Nd0.5Sr0.5MnO3 R. Venkatesh, M. Pattabiraman, G.Rangarajan and K. Sethupathi J. Appl. Phys. 101, 09C506 (2007)

2007
1172 ESR Study of spin-lattice correlated clusters in Nd0.7Sr0.3MnO3 single crystals S. Angappane, M. Pattabiraman, G. Rangarajan, K. Sethupati, Babu Varghese and V. S. Sastry J. Phys. : Condens. Matter 19, 036207 ( 2007)

2007
1173 Magneto caloric effect in Single crystalline Nd1-xSrxMnO3(x=0.3, 0.5) R.Venkatesh, M. Pattabiraman, K. Sethupathi and G.Rangarajan J. Magn. Mater. 310, 2813 (2007)

2007
1174 Development of SQUID Based Non Destructive Evaluation System for Detecting Fatigue Induced Transformation of δ-Ferrite to Non-Magnetic Phases R. Nagendran, M. P. Janawadkar, M. Pattabiraman, D. K. Baisnab, R. Baskaran, L. S. Vaidhyanathan ,Y. Hariharan, Baldev Raj, A. Nagesha, M. Valsan , K Bhanu Sankara Rao NDT & E International 40, 215 (2007)

2007
1175 Self-consistent theory of reversible ligand binding to a spherical cell S Ghosh, M Gopalakrishnan, K Forsten-Williams Physical biology 4 (4), 344(2007)

2007
1176 Topical Review ,Structural and physical properties of ZnO based materials in various forms: Bulk ,thin film and nano. Shubra Singh P. Thiyagarajan, K. Mohan Kant ,Tirupathiah, B. Tiwari, N. Rama, M.M.K. Samy and M .S .Ramachandra Rao J.Phys.D:Applied Physics 40,6312 (2007).

2007
1177 PLD Growth of CNTs using a Nanostructured Ni Buffer Layer : Dependence of H2 partial Pressure Maneesh Chandran , K. Mohan Kant, N.Rama and M.S.Ramachandra Rao MRS, 0951-E06-15 (2007).

2007
1178 Pulsed laser deposited oxide green emitting thin film phosphors:optimization of growth conditions P.Thiyagarajan , M.K. Kottaisamy and M .S. Ramachandra Rao Mater.Res.Soc.Symp.Proc 0988-QQ06-12 (2007).

2007
1179 Effects of substrate on the electrical transport property of Ba2 FeNbO6 double perovskite thin films N.Rama , J.B .Philipp , M. Opel , V. Sankaranarayanan , R. Gross and M . S .Ramachandra Rao J.Phy. D: Appl.Phys. 40, 1430 (2007).

2007
1180 Nanocrystalline barium zinconate titanate synthesized at low temperature by an aques co-precipitation technique S .Bahskar Reddy, K. Prasad Rao and M.S. Ramachandra Rao Scripta Materialia 57, 591 (2007).

2007
1181 SPM Characterization of pulsed Laser Deposited Nanocrystalline CrN Hard Coatings G .Mangamma, K. Mohan Kant, M.S. Ramachandra Rao, S. Kalavathy, M. Kamruddin, S. Dash and A.K. Tyagi J .Nanosci. Nanotechnology 7, 2176 (2007).

2007
1182 Obesrvation of high permittivity in Ho substituted BaZr0.1Ti0.9O3 ceramics S.Bhaskar Reddy, M.S. Ramachandra Rao and K Prasad Rao Appl.Phy.Lett. 91, 022917 (2007).

2007
1183 Structural and dielectric characterization of Sr substituted Ba (Zr,Ti)) 3 based functional materials S .Bhaskar Reddy, M.S. Ramachandra Rao and K Prasad Rao Applied Physics A: Materials Science & Processing, A89, 1011 (2007).

2007
1184 Influnece of disorder on the low and high temperature magnetization and magnetoresistance in Pr0.6R0.1Sr0.3MnO3 (R =Tb,Y,Ho and Er ) manganite N. Rama , V .Sankaranarayanan , M.Opel, R.Gross and M. S . Ramachandra Rao, Journal of Alloys and Compounds 443 , 7 (2007).

2007
1185 Structural and luminescence properties of pulsed laser deposited green emitting Zn2SiO4:Mn phosphor thin films P.Thiyagarajan, M .Kottaisamy and M.S. Ramachandra Rao Scripta Materials 57(5), 433 (2007)

2007
1186 Improved luminescent properties of Zn2SiO4:Mn green phosophor prepared from a gel combustion synthesized ZnO:Mn-SiO2 P. Thiyagarajan , M. Koattaisamy and M. S. Ramachandra Rao J . Electrochem. Soc. 154 (4), H297-H303 (2007).

2007
1187 Electron Leakage and Double-Exchange Ferromagnetism at the Interface between a Metal and an Antiferromagnetic Insulator: CaRuO3/CaMnO3 B. R. K. Nanda, S. Satpathy, M. S. Springborg Phys. Rev. Lett.

Volume: 98 Page: 216804 DOI: http://dx.doi.org/10.1103/PhysRevLett.98.216804

2007
1188 Hydrogen absorption and desorption properties of Ho1-xMmxCo2alloys G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu Int. J. Hydrogen Energy 32, 2480-2487

2007
1189 Diffusion of hydrogen in cubic Laves phase Ho1-xMmxCo2 (x = 0, 0.2 and 0.4) alloys. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu Int. J. Hydrogen Energy 32, 2965-2970

2007
1190 Thermodynamic and hydrogen-induced structural properties of Ho1-xMmxCo2-hydrides. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Phys. D: Appl. Phys40, 1183-1189 (2007)

2007
1191 Influence of hydrogen absorption on structural and electrical transport properties of Ho1-xMmxCo2 alloys G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Appl. Phys.102, Issue 6, 063706(1-8) (2007)

2007
1192 Temperature and concentration dependent electrical resistivity of Ho1-xTixCo2-hydrogen system. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu Solid State Sciences9 , 973-979 (2007)

2007
1193 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 R. Nirmala, V. Sankaranarayanan, K. Sethupathi, A. V. Morozkin, Amish G. Joshi and S. K. Malik J. Magnetism and Magnetic Materials 309, 212

2007
1194 Synthesis of single phase Ce doped nanocrystalline LaMnO3 C. Krishnamoorthy, K. Sethupathi and V. Sankaranarayanan Materials Letters61, 3254-3257, (2007)

2007
1195 Magnetic and magnetotransport properties of Ce doped nanocrystalline LaMnO3. C. Krishnamoorthy, K. Sethupathi, V. Sankaranarayanan, R. Nirmala and S.K. Malik J.Alloys and Compounds 438, 1-7 (2007)

2007
1196 Magnetic and magnetoresistivity properties of nanocrystalline Nd0.7Sr0.3MnO3. C. Krishnamoorthy, K. Sethupathi, V. Sankaranarayanan, R. Nirmala and S.K. Malik Journal of Magnetism and Magnetic Materials 308,28-34(2007)

2007
1197 Hawking radiation as tunneling for spherically symmetric black holes: A generalized treatment Sudipta Sarkar, Dawood Kothawala Physcis Letters B

Volume: 659 Page: 683-687 DOI: 10.1016/j.physletb.2007.11.056

2007
1198 Einstein's equations as a thermodynamic identity: The cases of stationary axisymmetric horizons and evolving spherically symmetric horizons Dawood Kothawala, Sudipta Sarkar, T. Padmanabhan Physics Letters B

Volume: 652 Page: 338-342 DOI: 10.1016/j.physletb.2007.07.021

2007
1199 Charge Transport in Transparent Single-Wall Carbon Nanotube Networks, Manu Jaiswal, W. Wang, K.A.S. Fernando, Y.-P. Sun, R. Menon, J. Phys.: Condens. Matter, 19, 446006, (2007).

2007
1200 Magnetotransport in Transparent Single-Wall Carbon Nanotube Networks, Manu Jaiswal, W. Wang, K.A.S. Fernando, Y.-P. Sun, R. Menon, Physical Review B, 76, 113401, (2007).

2007