Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
1441 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
1442 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
1443 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
1444 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
1445 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
1446 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
1447 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
1448 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
1449 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
1450 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
1451 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
1452 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
1453 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
1454 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
1455 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
1456 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
1457 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
1458 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
1459 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
1460 An experimental study on electronic excited states of O2¯ G. Aravind, A. K. Gupta , M. Krishnamurthy Chem. Phys. Lett., 424, 252, (2006).

2006
1461 Griffiths phase in the thermal quantum hall effect. A. Mildenberger, F. Evers, R. Narayanan, A.D. Mirlin and K.Damle Phys. Rev. B (Rapid Communications) 73, 121301(R), (2006).

2006
1462 Effect of donor-acceptor interaction strength on excitation energy migration and diffusion at high donor concentrations U. Tripathy , P. B. Bisht Journal of Chemical Physics 125,144502 -144509(2006).

2006
1463 Simultaneous estimation of optical nonlinear refractive and absorptive parameters by solvent induced changes in optical density Umakanta Tripathy , Prem B. Bisht Optics Communications 261, 353-358 (2006).

2006
1464 Convergence of the Born series with low-momentum interactions S.K. Bogner, R.J. Furnstahl, S. Ramanan (Ohio State U.), A. Schwenk (Washington U., Seattle). Feb 2006. 20 pp. Published in Nucl.Phys. A773 (2006) 203-220

2006
1465 All-optical spatial filtering with power limiting materials C. S. Yelleswarapu, P. Wu, S. –R. Kothapalli, D. V. G. L. N. Rao, B. R. Kimball, S. S. Sai, R. Gowrishankar, and S. Sivaramakrishnan Optics Express

Volume: 14 Page: 1452 DOI: http://dx.doi.org/10.1364/OE.14.001451

2006
1466 Laser Beam Steering Control System for free-space line of sight A.R. Ganesan, P. Arulmozhivarman, D. Mohan and A.K. Gupta Optical Communication IETE Journal of Research 52, 6 417-424 (2006)

2006
1467 Are Optical Aberrations in Normal Young Adulthood Significant? M. Jesson and A.R. Ganesan Proc. of ICBPE 2006, International Conf. On Biomedical and Pharmaceutical Engg., held at Singapore, 11-14 Dec. (2006)

2006
1468 Measurement of moments for Centroid estimation in Shack-Hartmann Wavefront Sensor – a Wavelet based approach and comparison with other methods P. Arulmozhivarman, L. Praveen Kumar and A.R. Ganesan Optik, Intl. J. of Laser & Electro-Optics 11, 82-87 (2006)

2006
1469 The Nd-Mn Exchange Interaction in Nd0.7Sr0.3MnO3 M. Pattabiraman, R. Venkatesh , G. Rangarajan, P. Murugaraj, C. Dimitropoulos, J-Ph.Ansermetand, G. Papavassiliou J. Phys.: Condens. Matter. 18, 11081 (2006)

2006
1470 Finite element simulation of SQUID-based eddy current non-destructive evaluation of cylindrical tubes Pressure Vessels and Piping : Inspection and Life Management M. Pattabiraman, R. Nagendran, D.K. Baisnab, M.P. Janawadkar and Y. Hariharan Publishers: Narosa Publishing House, ASM International and Alpha Science. Edited by Dr. Baldev Raj, Dr. B.K. Choudhary and Dr. Anish Kumar (2006).

2006