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
1111 Attraction between negatively charged surfaces mediated by spherical counterions with qudupolar charge distribution Jasna. Urbanija, Klemen Bohinc, Alfredo Bellen, Stefano Maset, Ales Iglic, Veronika Kralj Iglic and P. B. Sunil Kumar J. Chem. Phy. 129, 101501 (2008)

2008
1112 Tricritical point and Magnetocaloric effect of Nd1-xSrxMnO3 R. Venkatesh , M. Pattabiraman, K. Sethupathi, G. Rangarajan, J. Appl. Phys. ,103, 07B319 (2008)

2008
1113 Strain hardening , avalanches , and strain softening in dense cross-linked actin networks Jan A.Astrom , P. B. Sunil Kumar , Ilpo Vattulainen and Mikko Karttunen Phys. Rev. E. 77, 051913(2008)

2008
1114 Magnetocapacitance in Dy-doped Ni ferrite K. Kamala Bharathi, K. Balamurugan, P. N. Santhosh, M. Pattabiraman,G. Markandeyulu Phys. Rev. B ,77,172401 (2008)

2008
1115 Implicit-solvent mesoscale model based on soft-core potentials for self-assembled lipid membranes J. D. Revalee, M. Laradji and P. B. Sunil Kumar J. Chem. Phy., 128 035102 (2008)

2008
1116 Phase competition driven temperature broadening of colossal magnetoresistance in La0.815Sr0.185MnO3 M. Pattabiraman, Ramakrishna , Nikhil Pratap Singh, R. Venkatesh, S. Angappane, Rama and G. Rangarajan J. Alloys and Compounds, 452, 230-233 (2008)

2008
1117 How significant are Optical Aberrations in Young Adulthood, Proc.of the XVIII International Congress of Eye Research A.R. Ganesan, M. Jesson Proc.of the XVIII International Congress of Eye Research, held at Beijing, China

2008
1118 Length control of microtubules by depolymerizing motor proteins BS Govindan, M Gopalakrishnan, D Chowdhury EPL (Europhysics Letters) 83 (4), 40006 (2008)

2008
1119 Structural, magnetic and transport properties of half-metallic ferrimagnet Mn2VGa, Ramesh Kumar, K., N. Harish Kumar, G. Markandeyulu, J. Arout Chelvane, V. Neu and P. D. Babu, J. Magn. Magn. Mater 320, 2737 (2008)

2008
1120 Optimisation of single La2Zr2O7 buffer layers for YBCO coated conductors prepared by chemical solution deposition, S. Engel, R. Hühne, K. Knoth, A. Chopra, N.H. Kumar, V.S. Sarma, P.N. Santhosh, Journal of Crystal Growth, 310, 4295 (2008)

2008
1121 Anomalous Hall effect in magnetite: Universal scaling relation between Hall and longitudinal conductivity in low-conductivity ferromagnets. Deepak Venkateshvaran, Wolfgang Kaiser, Andrea Boger, Matthias Althammer, M .S. Ramachandra Rao, Sebastian T.B. Goennenwein, Matthias Opel, and Rudolf Gross, Phys. Rev. B 78, 092405(2008).

2008
1122 Tuning the magnetization dynamics of silica-coated Fe3O4 core-shell nanoparticles by shell thickness control. K. Mohan Kant, K. Sethupathi and M.S. Ramachandra Rao J. Appl.Phys 103, 07D501 (2008).

2008
1123 Correlation between electrical transport, optical, and magnetic properties of transition metal ion doped ZnO Shubra Singh, N. Rama, K. Sethupathi and M.S. Ramachandra Rao J. Appl. Phys.103, 07D108 (2008).

2008
1124 Microstructural opticaland electrical properties of Cr doped ZnO Shubra singh, E. Senthil Kumar and M.S. Ramachandra Rao Scripta Materialia 58, 866 (2008).

2008
1125 Formation of ZnO Nano Brushes in direct atmosphere using carbon catalyst and Zn metal source Shubra Singh, Bhaskar Reddy, S.Kottaisamy and M.S. Ramachandra Rao Nano, 3, (2008).

2008
1126 Role of oxide barrier in integranular tunnel junctions: An enhanced magnetoresistnace in SiO2and ZnO-coated Fe3O4 nanopartilces compacts K .Moahan kant, K.Sethupathi and M.S. Ramachandra Rao J. Appl. Phys 103,07F318 (2008).

2008
1127 Tuning the magentization dyanmics of silica-coated Fe3O4 core-shell nanoparticles by shell thickness control K .Moahankant, K. Sethupathi and M.S. Ramachandra Rao J.Appl. Phy. 103, 07D5012828574 (2008).

2008
1128 Correlation between elctrical transport .optical and magnetic properties of transition metal ion doped ZnO Shubra Singh, N .Rama, K.Sethupathi and M.S. Ramachandra Rao J .Appl. Phys 103, 07D108 (2008).

2008
1129 Electrical resistivity,thermoelectric power and electron spin resonance on Pr1xSrxMnO3 (x=0.2,0.26 and 0.3 ) N. Rama ,V .Sankaranarayanan and M.S. Ramachandra Rao J.Alloys and Compounds 466, 12 (2008).

2008
1130 Structural and physical properties of undoped and vanadium doped ZnO films deposited by pulsed laser deposition Shubra Singh and M.S.Ramachandra Rao J. Nanoscience and Nanotchnology 8 (2008).

2008
1131 White light emitting diode synthesis using near Ultraviolet excitation on ZnO- SiO2 nanocomposite. P. Thiyagarajan, M. Kottaisamy, N. Rama and M. S. Ramachandra Rao Scripta Materialia 59 722 (2008).

2008
1132 Optical polarization properties of interband transitions in strained group-III-nitride alloy films on GaN substrates with nonpolar orientation J. Bhattacharyya, S. Ghosh, and H. T. Grahn Appl. Phys. Lett.

Volume: 93 Page: 051913

2008
1133 Electroreflectance lineshapes in multilayered semiconductor structures: Influence of the linear electro-optic effect J. Bhattacharyya, S. Ghosh, B. M. Arora, and T. J. C. Hosea Phys. Rev. B

Volume: 73 Page: 195312

2008
1134 Optical switching properties of RCo2-type alloy hydride based solid state device. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Appl. Phys, 104, 064504

2008
1135 Influence of hydrogen absorption and desorption on structural properties of Dy1-xMmxCo2 alloys. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Physics: Condensed Matter, 20, 255224

2008
1136 Structural and hydriding-dehydriding properties of Ho1-xTixCo2 alloys. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu Materials Science & Engineering A, 472, 293-298

2008
1137 Hydrogen-induced and A-site substitution dependent structural properties of AB2–type (Ho1-xAx)Co2–Hydrogen system (A = Mm and Ti). G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Alloys and Compounds, 458, 574-578

2008
1138 Thermodynamic and kinetic properties of Ho1-xTixCo2–hydrogen system. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Physics & Chemistry of Solids, 69, 1869-1876

2008
1139 Magnetic properties of Ho1-xMmxCo2 (x = 0, 0.1, 0.2, 0.3 and 0.4) alloys and their hydrides. G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Magnetism and Magnetic Materials, 320, 2237-2240

2008
1140 Kinetics of hydrogen absorption in Ho1−xMmxCo2 alloys G. Srinivas, V. Sankaranarayanan and S. Ramaprabhu J. Alloys and Comp. 448, 159

2008