Name G.Rangarajan (Ph.D, IISc, Bangalore, 1969) Designation Professor Group Low Temperature Physics Phone +91-44-2257 4863 Room HSB 113 Research Interests Low Temperature Physics, Super Conductivity Email rajan@physics.iitm.ac.in Personal Home Page www.physics.iitm.ac.in/~rajan

Recent Publications

• Electron Spin Resonance Study of Nd_0.7Sr_0.3MnO₃ single crystals
  S. Angappane, M. Pattabiraman, G. Rangarajan and K. Sethupathi,
  J. Appl. Phys., 97 (2005) 10H705.

• Electrical Conduction through bond percolation in Nd_0.67Sr_0.33MnO₃
  M. Pattabiraman, P. Murugaraj and G. Rangarajan,
  Solid State Comm., 132 (2004) 7. 
  

• ESR study of Nd_0.5Sr_0.5MnO₃ single crystal
  S. Angappane, M. Pattabiraman, G. Rangarajan, K. Sethupathi and V. S. Sastry,
  J. Magn. Magn. Mater., 272-276 (2004) 1807.

• Electron magnetic resonance study in a single crystal of the CMR manganite, Nd_0.5Sr_0.5MnO₃
  S. Angappane, M. Pattabiraman, G. Rangarajan, K. Sethupathi and V. S. Sastry,
  Phys. Rev.,B, 69 (2004) 094437.
  

•  ESR study of magnetic homogeneity in La_0.67Ca_0.33MnO₃ thin film,
  S. Angappane, G. Rangarajan and K. Sethupathi,
  Physica,B, 339 (2003) 87.

• Magnetic clusters in Nd_1-xSr_xMnO₃ (0.3<= x <= 0.5): An electron-spin resonance study
  S. Angappane, G. Rangarajan and K. Sethupathi,
  J. Appl. Phys., 93 (2003) 8334.
  

• Raman scattering study of Nd_1-xSr_xMnO₃ (x = 0.3, 0.5)
  K-Y Choi, P Lemmens, G Guentherodt, M Pattabiraman, G Rangarajan,
  V P Gnezdilov, G Balakrishnan, DMcK Paul and MRLees,
  J. Phys.: Condens. Matter, 15 (2003) 1.

• Evidence for phase separation in Er³⁺ doped La_0.8Sr_0.2MnO₃
  V. Ravindranath, R. Suryanarayanan, G. Rangarajan and M.S. Ramachanda Rao
  Appl. Phys. Lett., 82 (2003) 2865

• ⁵⁵Mn NMR investigation of Nd_1-xSr_xMnO₃(0.1<=x <= 0.5)
  M. Pattabiraman, P. Murugaraj, G. Rangarajan, C.Dimitropoulos,
  Jean-Philippe Ansermet, G. Papavassiliou, G. Balakrishnan,
  Physical Review,B,66 (2003) 224415-1

• PAni-PMMA Schottky Barriers
  S. Angappane, Rajeev Kine, T.S. Natarajan, G. Rangarajan and B. Wessling
  Thin Solid Films, 417 (2002) 202    
  

• Electrical Transport in La_(1-X)Ca_xMnO₃Thin films at Low Temperatures
  S. Angappane, K. Sethupathi and G. Rangarajan
  Pramana-Journal of Physics, 58 (2002) 1079

• Polarized Raman Scattering in single crystals of Nd_0.7Sr_0.3MnO₃
  M. Pattabiraman, G. Rangarajan, Kwang-Yong Choi, P. Lemmens,
  G. Guentherodt, G. Balakrishnan. D. McK. Paul and M. R. Lees
  Pramana-Journal of Physics, 58 (2002) 1013

• Magnetotransport studies and mechanism of Ho and Y doped La_0.7Ca_0.3MnO₃
  V. Ravindranath, M.S. Ramachandra Rao, G. Rangarajan, Yafeng Lu,
  J. Klein, R. Klingeler, S. Uhlenbruck, B. Buchner and R. Gross
  Physical Review, B, 63 (2001) 184434