Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
1261 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
1262 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
1263 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
1264 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
1265 Hydrogen absorption and desorption properties of Ho1-xMmxCo2alloys G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu Int. J. Hydrogen Energy 32, 2480-2487

2007
1266 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
1267 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
1268 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
1269 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
1270 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
1271 Synthesis of single phase Ce doped nanocrystalline LaMnO3 C. Krishnamoorthy, K. Sethupathi and V. Sankaranarayanan Materials Letters61, 3254-3257, (2007)

2007
1272 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
1273 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
1274 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
1275 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
1276 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
1277 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
1278 Magnetoconductance in Single-Wall Carbon Nanotubes: Electron-Electron Interaction and Weak Localization Contributions, P.K. Choudhury, Manu Jaiswal, R. Menon, Physical Review B, 76, 235432, (2007).

2007
1279 Crystal Structure and Characterization of Pure and Ag doped (La1-xYx)2Ba2CaCu5Oz (0  x  0.5) Superconductors. P. K. Nayak and S. Ravi Journal of the American Ceramic Society

Volume: 90 Page: 2819-2823 DOI: 10.1111/j.1551-2916.2007.01845.x

2007
1280 The effect of TiO2 nanotubes in the enhancement of blood clotting for the control of hemorrhage; Somnath C. Roy, Maggie Paulose, Craig A Grimes; Biomaterials, 28, p 4667, (2007).

2007
1281 Large blue shift in the optical band-gap of sol-gel derived BST thin films; Somnath C Roy, G. L. Sharma, M. C. Bhatnagar; Solid State Communications 141, p 243 (2007).

2007
1282 Effect of Fe doping on the gas sensing properties of nano-crystalline SnO2 thin films; Sanju Rani, Somnath C. Roy, M. C. Bhatnagar; Sensors and Actuators B 122, p 204 (2007) .

2007
1283 Physical properties of multiferroic hexagonal HoMnO3 thin films P. Murugavel, J.H. Lee, D. Lee, T. W. Noh, Y.H. Jo, M. W Jung, Y. S. Oh, and K. H. Kim Appl. Phys. Lett. 90, 142902 (2007).

2007
1284 Epitaxial stabilization of artificial hexagonal GdMnO3 thin films and their magnetic properties D. Lee, J. H. Lee, P. Murugavel S. Y. Jang, T. W. Noh, Y. Jo, and M. H. Jung Appl. Phys. Lett. 90, 182504 (2007).

2007
1285 Effect of oxygen pressure on the interface related magnetic and transport properties of La0.7Ca0.3MnO3/BaTiO3 superlattices P. Murugavel, P. Padhan, and W. Prellier J. Phys.: Condens. Matter. 18, 3377 (2006).

2006
1286 Epitaxial Stabilization of a New Multiferroic Hexagonal Phase of TbMnO3 Thin Films J. H. Lee, P. Murugavel, H. Ryu, D. Lee, J. Y. Jo, J. W. Kim, H. J. Kim, K. H. Kim, Y. Jo, M. H. Jung, Y. H. Oh, Y. W. Kim, J. G. Yoon, J. S. Chung and T. W. Noh Adv. Mater. 18, 3125-3129 (2006)

2006
1287 Magnetoelectric effects of nanoparticulate Pb(Zr0.52Ti0.48)O3-NiFe2O4 composite films H. J. Ryu, P. Murugavel, J. H. Lee, S. C. Chae, T. W. Noh, Y. S. Oh, H. J. Kim, K. H. Kim, J. H. Jang, M. Kim, C. Bae, and J.-G. Park Appl. Phys. Lett. 89, 102907 (2006)

2006
1288 The magnetotransport properties of La0.7Ca0.3MnO3/BaTiO3 superlattices grown by pulsed laser deposition technique P. Murugavel and W. Prellier J. Appl. Lett. 100, 023520 (2006).

2006
1289 Effect of Orbital Rotation and Mixing on the Optical Properties of Orthorhombic RMnO3 (R = La, Pr, Nd, Gd, and Tb) M. W. Kim, S. J. Moon, J. H. Jung, J. Yu, S. Parashar, P. Murugavel, and T. W. Noh Phys. Rev. Lett. 96, 247205 (2006).

2006
1290 A Brillouin study of the temperature-dependence of the acoustic modes across the metal-insulator transitions in V2O3 and Cr-doped V2O3 Md. Motin Seikh, Chandrabhas Narayana, A. K. Sood, P. Murugavel, M.W. Kim, P. A. Metcalf, J. M. Honig and C. N. R. Rao Solid State Comm. 138, 466 (2006).

2006