Research Group Publications

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 Amitabh Joshi Anuranjan Anand Balasubramanian Sundaram C. N. R. Rao 
C. P. Rajendran Chandrabhas Narayana Diwakar S. Venkatesan Eswaramoorthy M.G.U. Kulkarni 
Ganesh Subramanian Govindaraju T H Ila Hemalatha Balaram James P. Clement Chelliah 
Jayanta Haldar K. B. Sinha K.S. Narayan Kanishka Biswas Kaustuv Sanyal 
Kavita Jain Krishnan V.Kundu Tapas K.M. R. S. Rao Maneesha Inamdar 
Meheboob Alam Meher K. Prakash Namita Surolia Narasimha Roddam Rajesh Ganapathy 
Rama Govindarajan Ranjan Datta Ranjani Viswanatha Ravi Manjithaya S. N. Bhat 
Santosh Ansumali Santosh Ansumali Sarit S. Agasti Sebastian C Peter Sheeba Vasu 
Shivaprasad S. M.Shobhana Narasimhan Sreenivas K. R.Sridhar Rajaram Srikanth Sastry 
Subi Jacob George Subir K. Das Sundaresan A.Swapan Pati Tapas Kumar Maji 
Udaykumar Ranga Umesh V. Waghmare Valdiya K. S.Vidhyadhiraja N. S.Vidya T. N. C. 

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  1. Rana Saha, K. Vasu, D. S. Negi, R. Datta, A. Sundaresan and C. N. R. Rao, Exchange bias at low fields exhibited by the interface between epitaxial layers of ferromagnetic and charge-ordered rare-earth manganites, Phys Status Solidi RRL 1 - 5 (2016).

  2. Rana Saha, F. Fauth, M. Avdeev, P. Kayser, B. J. Kennedy and A. Sundaresan, Magnetodielectric effect in A-site cation ordered chromate spinels, LiMCr4O8 (M = Ga and In), Phys. Rev. B 94, 644201 - 644209 (2016).

  3. G. Sharada, P. Mahale, B. P. Kore, S. Mukherjee, M. S. Pavan, C. De, S. Ghara, A. Sundaresan, T. N. Guru Row and D. D. Sarma, Is CH3NH3PbI3 Polar?, J. Phys. Chem. Lett 7, 2412 - 2419 (2016).

  4. Rana Saha, Somnath Ghara, E. Suard, D. H. Jang, K. H. Kim, Nikita Ter-Oganessian and A. Sundaresan, Magnetoelectric effect in simple collinear antiferromagnetic spinels, Phys. Rev. B 94, 14428 - 14434 (2016).

  5. S. RoyChowdhury, Somnath Ghara, Satya N. Guin, A. Sundaresan and Kanishka Biswas, Large linear magnetoresistance in topological crystalline insulator Pb0.6Sn0.4Te, J. Solid State Chem. 233, 199 - 204 (2016).

  6. Rana Saha, A. Sundaresan, Milan K Sanyal, C. N. R. Rao, F. Orlandi, P. Manuel and S. Landgridge, Neutron scattering study of the crystallographic and spin structure in antiferromagnetic EuZrO3, Phys. Rev. B 93, 14409 - 14414 (2016).

  7. Z. Haque, G. S. Thakur, S. Ghara, L. C. Gupta, A. Sundaresan and A. K. Ganguly, Structural and Magnetic Properties of a New and Ordered Quaternary alloy MnNiCuSb (SG: F-43m)  , J. Magn. Magn. Mater. 397, 315 - 318 (2015).

  8. Somnath Ghara, Kyongjun Yoo, Kee Hoon Kim, Kee Hoon Kim and A. Sundaresan, Capacitive and Magnetoresistive Origin of Magnetodielectric effects in Sm-substiuted BiMnFe2O6, J. Appl. Phys. 118, 164103 - 164107 (2015).

  9. P. M. Awasthy, J. B. Anooja, N. Varhese, C. K. Chandrakanth, N. Devendra Kumar, A. Sundaresan and U. Syamaprasad, Rare-earth (RE-Ce, Gd) modified Nd1-xRExFeAsO0.7F0.3 superconductor with enhanced magnetotransport properties, RSC Advances 5, 41484 - 41492 (2015).

  10. Chandan De and A. Sundaresan, Coexistence of cycloidal phases, Magnetic field reversal of polarization and memory effect in multiferroic R0.5Dy0.5MnO3 (R=Eu and Gd), Appl. Phys. Lett. 107, 52902 - 52906 (2015).

  11. Chandan De , Somnath Ghara and A. Sundaresan, Effect of internal electric field on ferroelectric polariztion in multiferroic TbMnO3, Solid State Commun. 205, 61 - 65 (2015).

  12. S. Thomas, S. Rahul, K. M. Devadas, N. Vargese, A. Sundaresan and U. Syamaprasad, Co-addition of nano-carbon and nano-silica: An effective method for improving the in-field properties of magnesium diboride superconductor, Materials Chemistry and Physics 148, 190 - 194 (2014).

  13. S. Sandoval, N. Kumar, A. Sundaresan, C. N. R. Rao, A. Fyertes and G. Tobias, Enhanced Thermal Oxidation Stability of Reduced Graphene Oxide by Nitrogen Doping, Chem. Eur. J 20, 1 - 6 (2014).

  14. Somnath Ghara, Byung-Gu Jeon, Kyongjun Yoo, Kee Hoon Kim and A. Sundaresan, Re-entrant Spin-glass and Magnetodielectric effect in the Spiral Magnet BiMnFe2O6, Phys. Rev. B 90, 024413 - 024419 (2014).

  15. Md. Motin Seikh, V. Caignaert, A. Sundaresan, C. De and B. Raveau, Ti-rich Double perovskites LnCu3-yTi2-xMn2+x+y O12: Ferrimagnetism and Magnetoresistance up to room temperature, J. Mater. Chem. C 2, 6061 - 6067 (2014).

  16. V. S. Bhadram, Diptikanta Swain, R. Dhanya, Maurizio Polentarutti, A. Sundaresan and C. Narayana, Effect of pressure on octahedral distortions in RCrO3 (R= Lu, Tb, Gd, Eu, Sm): the role of R-ion size and its implications, Mater. Res. Express 1, 26111 - 26123 (2014).

  17. Judith Oro-Sole, Lucky Clark, Nitesh Kumar, Willian Bonin, A. Sundaresan, J Paul Attfield, C. N. R. Rao and Amparo Fuertes, Synthesis, Anion Order and Magnetic Properties of RVO3-xNx Perovskites (R=La, Pr, Nd; 0≤x≤1, J. Mater. Chem. C 2212 - 2220 (2014).

  18. Nitesh Kumar, N. Raman and A. Sundaresan, Synthesis and properties of cobalt sulphide phases: CoS2 and Co9S8, ZAAC 1069 - 1074 (2014).

  19. Chandan De, Tai Hoon Kim, Kee Hoon Kim and A. Sundaresan, Absence of ferroelectric polarization in layered and rock-salt ordered NaLnMnWO6 (Ln=La, Nd, Tb) perovskites, Phys. Chem. Chem. Phys. 16, 5407 - 5411 (2014).

  20. M. D. Donakowski, H. Lu, R. Gautier, Rana Saha, A. Sundaresan and K. R. Poeppelmeier, Synthesis and Magnetic Properties of beta-KVOF3, ZAAC 640, 1109 - 1114 (2014).

  21. Pradeep Kumar, Somnath Ghara, B. Rajeswaran, D. V. S. Muthu, A. Sundaresan and A. K. Sood, Temperature dependent magnetic, dielectric and Raman studies of partially disordered La2NiMnO6, Solid State Commun. 184, 47 - 51 (2014).

  22. N. T. Mua, A. Sundaresan, N. K. Man and D. D. Dung, Influence of preparation conditions on superconducting properties of Bi-2223 thin films, Bull. Mater. Sci 37, 19 - 25 (2014).

  23. R. Gautier, K Oka, T. Kihara, Nitesh Kumar, A. Sundarsan, M. Tokunaga, M. Azuma and K. R. Poeppelmeier, Spin Frustration from cis - Edge or - Corner Sharing Metal-Centered Octahedra, J. Am. Chem. Soc 135, 19268 - 19274 (2013).

  24. Nitesh Kumar, N. Raman and A. Sundaresan, Temperature evolution of nickel sulphide phases from thiourea complex and their exchange bias effect, J. Solid State Chem 208, 103 - 108 (2013).

  25. B. Rajeswaran, D. Sanyal, M. Chakrabarti, Y. Sundarayya, A. Sundaresan and C. N. R. Rao, Interplay of 4f-3d Magnetism and Ferroelectricity in DyFeO3, Europhys. Lett. 101, 17001 - 17005 (2013).

  26. R. Shipra, Nitesh Kumar and A. Sundaresan, Surface ferromagnetism and superconducting properties of nanocrystalline niobium nitride, Materials Chemistry and Physics 139, 500 - 505 (2013).

  27. P. Mandal, C. R. Serrao, E. Suard, V. Caignaert, B. Raveau, A. Sundaresan and C. N. R. Rao, Spin Reorientation and Magnetization Reversal in the Perovskite Oxides, YFe1-xMnxO3 (0 ≤ x ≤ 0.45): A Neutron Diffraction Study, J. Solid State Chem 197, 408 - 413 (2013).

  28. Venkat Srinu Bhadram, B. Rajeswaran, A. Sundaresan and Chandrabhas Narayana, Correlation between Spin-Phonon Coupling and Ferroelectricity in RCrO3 (R=Y, Gd, Sm): A Rman Study, Europhys. Lett 101, 17008 - 17013 (2013).

  29. Rana Saha, A. Shireen, S. N. Shirodkar, U. V. Waghmare, A. Sundaresan and C. N. R. Rao, Multiferroic and magnetoelectric nature of GaFeO3, AlFeO3 and related oxides, Solid State Commun. 152, 1964 - 1968 (2012).

  30. C. N. R. Rao, A. Sundaresan and Rana Saha, Multiferroic and Magnetoelectric Oxides: The Emerging Scenario, J. Phys. Chem. Lett 3, 2237 - 2246 (2012).

  31. B. Rajeswaran, P. Mandal, Rana Saha, E. Suard, A. Sundaresan and C. N. R. Rao, Ferroelectricity induced by Cations of Non-equivalent spins disordered in the weakly ferromagnetic perovskites, YCr1-xMxO3 (M = Fe or Mn), Chem. Mater. 24, 3591 - 3595 (2012).

  32. Nagamalleswararao Dasari, P. Mandal, A. Sundaresan and N. S. Vidhyadhiraja, Weak ferromagnetism and magnetization reversal in YFe1-xCrxO3, Europhys. Lett 99, 17008 - 17013 (2012).

  33. Pradeep Kumar, Achintya Bera, D. V. S. Muthu, Sharmila N. Shirodkar, Rana Saha, Ajmala Shireen, A. Sundaresan, U. V. Waghmare, A. K. Sood and C. N. R. Rao, Coupled phonons, magnetic excitations, and ferroelectricity in AlFeO3: Raman and first-principles studies, Phys. Rev. B 85, 13449 - 13455 (2012).

  34. B.Rajewsaran, D. I. Khomskii, A. K. Zvezdin, C. N. R. Rao and A. Sundaresan, Field-induced Polar Order at the Neel Temperature of Chromium in Rare-earth Orthochromites: Interplay of rare-earth and chromium magnetism, Phys. Rev. B 86, 214409 (2012).

  35. D. Choudhury, P. Mandal, R. Mathieu, A. Hazarika, S. Rajan, A. Sundaresan, U. V. Waghmare, R. Knut, O. Karis, P. Nordblad and D. D. Sarma, Near room-temperature colossal magnetodielectricity and multiglass properties in partially-disordered La2NiMnO6, Phys. Rev. Lett. 108, 127201 - 127204 (2012).

  36. P. Mandal, Shridevi S. Bhat, Y. Sundarayya, A. Sundaresan, C. N. R. Rao, V. Caignaert, B. Raveau and E. Suard, Structures and Complex Magnetic Behavior of Disordered Perovskites, (Bi0.5A0.5)(Fe0.5Mn0.5)O3 (A = Sr and La), RSC Advances 2, 292 - 297 (2012).

  37. R. Bhargavi, Geetha G. Nair, S. K. Prasad, Nitesh Kumar and A. Sundaresan, Enhanced Frank elasticity and storage modulus in a diamagnetic liquid crystalline ferrogel, Soft Matter 10151 - 10161 (2011).

  38. Y. Tanaka, T. Yanagisawa, A. Crisan, P. M. Shrage, A. Iyo, K. Tokiwa, T. Nishio, A. Sundaresan and N. Terada, Domains in multiband superconductors, Physica C 471, 747 - 750 (2011).

  39. Basanta Roul, Mohana K. Rajpalke, Thirumaleshwara N. Bhat, Mahesh Kumar, A. T. Kalghatgi, S. B. Krupanidhi, Nitesh Kumar and A. Sundaresan, Experimental evidence of Ga-vacancy induced room temperature ferromagnetic behavior in GaN films, Appl. Phys. Lett. 99, 162512 - 162514 (2011).

  40. Nitesh Kumar, A. Sundaresan and C. N. R. Rao, Rare earth niobium oxynitrides, LnNbO2-d (Ln=Y, La, Pr, Nd, Gd, Dy): Synthesis, Structure and Properties, Mater. Res. Bull. 46, 2021 - 2024 (2011).

  41. Urmimala Maitra, Barun Das, Nitesh Kumar, A. Sundaresan and C. N. R. Rao, Ferromagnetism Exhibited by Nanoparticles of Noble Metals, ChemPhysChem. 12, 2322 - 2327 (2011).

  42. Rana Saha, Ajmala Shireen, N. Shirodkar, Mukta Shashi Singh, Umesh V. Waghmare, A. Sundaresan and C. N. R. Rao, Phase Transitions of AlFeO3 and GaFeO3 from the Chiral Orthorhombic (Pna21) Structure to the Rhombohedral (R-3C) Structure, Inorg. Chem. 50, 9527 - 9532 (2011).

  43. Rana Saha, Ajmala Shireen, Sharmila N. Shirodkar, Umesh V. Waghmare, A. Sundaresan and C. N. R. Rao, Effect of Cr and Mn ions on the structure and amgentic properties of GaFeO3: Role of the substitution site, J. Solid State Chem. 184, 2353 - 2359 (2011).

  44. Tusharkanti Dey, P. Khuntia, A. V. Mahajan, Nitesh Kumar and A. Sundaresan, 119Sn NMR probe of magnetic fluctuations in SnO2 nanoparticles, Europhys. Lett 96, 67008 - 67010 (2011).

  45. D. Choudhury, S. Mukherjee, P. Mandal, A. Sundaresan, U. V. Waghmare, S. Bhattacherjee, R. Mathieu, P. Lazor, O. Eriksson, B. Sanyal, P. Nordblad, A. Sharma, S. V. Bhat, O. Karis and D. D. Sarma, Tuning of dielectric properties and magnetism of SrTiO3 by site-specific doping on Mn, Phys. Rev. B 125124 - 125130 (2011).

  46. Y. Sundarayya, P. Mandal, A. Sundaresan and C. N. R. Rao, Mossbauer spectroscopic study of spin-reorientation in Mn-substituted yttrium orthoferrite, J. Phys: Condens. Matter 23, 436001 - 436007 (2011).

  47. A. S. Eggeman, A. Sundaresan, C. N. R. Rao and P. A. Midgley, The Structure of Two New Non-Centrosymmetric Phases of Oxygen Deficient Bismuth Manganite, J. Mater. Chem. 21, 15417 - 15421 (2011).

  48. P. Mandal, Venkata Srinu Bhadram, Chandrabhas Narayana, Y. Sundarayya, A. Sundaresan and C. N. R. Rao, Spin-reorientation, ferroelectricity and magnetodielectric effect in YFe1-xMnxO3 (0.1 < x < 0.4), Phys. Rev. Lett. 107, 137202 - 137206 (2011).

  49. Partha Mahata, Debajit Sarma, C. Madhu, A. Sundaresan and Srinivasan Natarajan, CoMn2O4 spinel from a MOF: synthesis, structure and magnetic studies, Dalton Transactions 40, 1952 - 1960 (2011).

  50. Nitesh Kumar, Dinesh Jagadeesan, Premlal Pillain, Melby Chacko, M. Eswaramoorthy and A. Sundaresan, Ferromagnetism in Thin-Walled Hollow Spheres of Non-Magnetic Inorganic Materials, Chem. Phys. Lett. 504, 189 - 192 (2011).

  51. Chandra Sekhar Rout, Anurag Kumar, Nitesh Kumar, A. Sundaresan and Timoty S. Fisher, Room-temperature ferromagnetism in graphitic petal arrays, Nanoscale 3, 900 - 903 (2011).

  52. Rana Saha, Ajmala Shireen, A. K. Bera, Sharmila N. Shirodkar, Y. Sundarayya, N. Kalarikkal, S. M. Yusuf, Umesh V. Waghmare, A. Sundaresan and C. N. R. Rao, Stucture and magnetic properties of the Al1-xGaxFeO3 family of oxides: A combined experimental and theoretical study, J. Solid State Chem. 184, 494 - 501 (2011).

  53. Ajmala Shireen, Rana Saha, P. Mandal, A. Sundaresan and C. N. R. Rao,   Multiferroic and magnetodielectric properties of the Al1−xGaxFeO3 family of oxides, J. Mater. Chem. 21, 57 - 59 (2011).

  54. T. Yamamoto, K. Tanaka, A. Yamanka, T. Okuda, K. Obara, K. Tokiwa, T. Watanabe, A. Iyo, Y. Tanaka, A. Sundaresan and N. Terada, Synthesis of smooth and superconducting (Cu,C)-Ba-O/CaCuO2/(Cu,C)-Ba-O films using SrCruO2 buffer, Physica C 470, (2010).

  55. K. Raidongia, A. Nag, A. Sundaresan and C. N. R. Rao, Multiferroic and magnetoelectric properties of core-shell CoFe2O4@BaTiO3 nanocomposites, Appl. Phys, Lett. 97, 62904 - 62906 (2010).

  56. Y. Tanaka, A. Iyo, K. Tokiwa, T. Watanabe, A. Crisan and A. Sundaresan, Topological structure of the inter-band phase difference soliton in two-band superconductivity, Physica C 470, 1010 - 1012 (2010).

  57. P. Mandal, A. Sundaresan, C. N. R. Rao, A. Iyo, P. M. Shirage, Y. Tanaka, Ch. Simon, V. Pralong, O. I. Lebedev, V. Caignaert and B. Raveau, Temperature-induced magnetization reversal in BiFe0.5Mn0.5O3     synthesized at high pressure, Phys. Rev. B (Rapid Commun.) 82, 100416 (2010).

  58. R. Shipra, H. Takeya, K. Hirata and A. Sundaresan, Effects of Ni and Co doping on the physical properties of tetragonal FeSe0.5Te0.5 superconductor, Physica C 470, 528 - 532 (2010).

  59. Nitesh Kumar and A. Sundaresan, On the observation of negative magnetization under zero-field-cooled process, Solid State Commun. 150, 1162 - 1164 (2010).

  60. L. S. Panchakarla, Y. Sundarayya, S. Manjunatha, A. Sundaresan and C. N. R. Rao, On the defect origin of room-temperature magnetism exhibited by metal oxide nanoparticles, ChemPhysChem. 11, 1673 - 1679 (2010).

  61. K. Vinod, N. Vargheese, A. Sundaresan and U. Syamaprasad, Highly enhanced in-field critical current density of MgB2 superconductor by combined addition of burned rice husk and nano Ho2O3, Solid State Sciences 12, 610 - 616 (2010).

  62. N. Varhese, K. Vinod, Shipra, A. Sundaresan and U. Syamaprasad, Burned Rice Husk: An Effective Additive for Enhancing the Electromagnetic Properties of MgB2 Superconductor, J. Am. Ceram. Soc 93, 732 - 736 (2010).

  63. P. Mandal, A. Iyo, Y. Tanaka, A. Sundaresan, C. N. R. Rao,     Structure, magnetism and giant dielectric constant of BiCr0.5Mn0.5O3 synthesized at high pressures    , J. Mater. Chem. 20, 1646 - 1650 (2010).

  64. K Vijayanandhini, Ch Simon, V Pralong, Y Br┬┤eard,V Caignaert, B Raveau, P Mandal, A Sundaresan and C. N. R. Rao, Zero magnetization in a disordered ( La1−x/2Bix/2)(Fe0.5Cr0.5)O3 uncompensated weak ferromagnet  , J. Phys: Condens. Matter 21, 486002 - 486009 (2009).

  65. Prakash Kanoo, C. Madhu, Golam Mostafa, Tapas Kumar Maji, A. Sundaresan, Swapan K. Pati and C. N. R. Rao, A planar Cu2+ (S = 1/2) kagomé network pillared by 1,2-bis(4-pyridyl) ethane with interesting magnetic properties, Dalton Transactions 12, 5062 - 5064 (2009).

  66. Ayan Roy Chaudhuri, S. B. Krupanidhi, P. Mandal and A. Sundaresan, 0.6Sr0.4MnO3 / 0.7 Pb(Mg1/3Nb2/3)O3 –3 epitaxial bilayered heterostructures   Investigation of biferroic properties in La 0.3 PbTiO, J. Appl. Phys. 106, 541031 - 541038 (2009).

  67. R. V. K. Mangalam, M. Chakrabrati, D. Sanyal, A. Chakrabati and A. Sundaresan, Identifying defects in multiferroic nanocrystalline BaTiO3 by positron annihilation techniques, J. Phys: Condens. Matter 21, 445902 - 445906 (2009).

  68. Jyoti Ranjan Sahu, Anirban Ghosh, A. Sundaresan and C. N. R. Rao, Multiferroic properties of ErMnO3, Mater. Res. Bull. 44, 2123 - 2126 (2009).

  69. Nitesh Kumar, D. Sanyal and A. Sundaresan,     Defect Induced ferromagnetism in MgO nanoparticles studied by optical and positron annihilation spectroscopy  , Chem. Phys. Lett. 477, 360 - 364 (2009).

  70. M. B. Bellaki, V. Manivannan, C. Madhu and A. Sundaresan, Synthesis and Magnetic Properties of BiFeO3 and Bi0.98Y0.02FeO3, Materials Chemistry and Physics 116, 599 - 602 (2009).

  71. A. Sundaresan, C. N. R. Rao,  Implications and consequences of ferromagnetism universally exhibited by inorganic nanoparticles, Solid State commun. 149, 1197 - 1200 (2009).

  72. R. V. K. Mangalam, C. Narayana and A. Sundaresan, Pressure dependent phase transition in the ordered perovskite BaBi0.7Nb0.3O3, High Pressure Research 29, 272 - 277 (2009).

  73. R. V. K. Mangalam, Nirat Ray, Umesh Waghmare, A. Sundaresan and C. N. R. Rao, Multiferroic Properties of Nanocrystalline BaTiO3, Solid State Commun. (Fast Track) 149, 1 - 5 (2009).

  74. Jyoti Ranjan Sahu, Claudy Rayan Serrao, Anirban Ghosh, A. Sundaresan and C.N.R. Rao, Charge-order-driven multiferroic properties of Y1−xCaxMnO3, Solid State Commun. 149, 49 - 51 (2009).

  75. A. Sundaresan and C. N. R. Rao, Ferromagnetism as a universal feature of nanoparticles, Nanotoday 4, 096 - 106 (2009).

  76. R. V. K. Mangalam and A. Sundaresan, Crystal structure and dielectric properties of ordered perovskites Ba2BiSbO6 and BaSrBiSbO6 , Physica B 404, 154 - 157 (2009).

  77. P. Mandal and A. Sundaresan,   Dielectric and Impedance studies on the double perovskite Ba2BiTaO6  , Solid State Sciences 11, 861 - 864 (2009).

  78. R. V. K. Mangalam and A. Sundaresan, Itinerant ferromagnet to insulating spin galss in SrRu1-xCuxO3, Mater. Res. Bull. 44, 576 - 580 (2009).

  79. Dinesh Jagadeesan, Uzma Mansoori, Pranab Mandal, Athinarayanan Sundaresan and Muthusamy Eswaramoorthy,  Hollow Spheres to Nanocups: Tuning the Morphology and Magnetic Properties of Single-Crystalline -Fe2O3 Nanostructures, Angew. Chem. Int. Ed. 47, 7685 - 7688 (2008).

  80. C. Madhu and A. Sundaresan,  Magnetocaloric effect across the coupled structural and ferro­magnetic transition in Pr0.1Ce0.4Sr0.5MnO3, J. Chem. Sci. 120, 595 - 598 (2008).

  81. Ayan Roy Chaudhuri, P. Mandal, S. B. Krupanidhi and A. Sundaresan, Magnetocapacitive La0.6Sr0.4MnO3 /0.7Pb(Mg1 / 3Nb2 / 3)O3–0.3PbTiO3 epitaxial heterostructure, Solid State Commun. 148, 566 - 569 (2008).

  82. K. Vinod, Neson Varghese, U. Syamaprasad, Shipra and A. Sundaresan, Structural and superconducting properties of bulk MgB2 with added nano Tb4O7, Supercond. Sci. Technol. 21, 025003 (2008).

  83. A. Sundaresan, R. V. K. Mangalam, A. Iyo, Y. Tanaka and C. N. R. Rao, Crucial role of oxygen stoichiometry in determining the structure and properties of BiMnO3, J. Mater. Chem. 18, 2191 - 2193 (2008).

  84. R. V. K. Mangalam, S. V. Bhat, A. Iyo, Y. Tanaka, A. Sundaresan and C. N. R. Rao, Dielectric properties, thermal decomposition and related aspects of BiAlO3, Solid State Commun. (Fast Track) 146, 435 (2008).

  85. C. Madhu, A. Sundaresan and C. N. R. Rao, Room-temperature ferromagnetism in undoped GaN and CdS semiconductor nanoparticles, Phys. Rev. B (Rapid Commun) 77, 201306 (2008).

  86. N. T. Mua, C. R. Serrao, Shipra, A. Sundaresan, T. D. Hien and N. K. Man, High critical current density in Ag-doped Bi-2212 thin films, Supercond. Sci. Technol. 21, 105002 (2008).

  87. R. V. K. Mangalam, Gopal K. Pradhan, Chandrabhas Narayana and A. Sundaresan, Spin state transition in the ferromagnetic Sr0.9Ce0.1CoO2.85, Solid State Commun. 146, 110 (2008).

  88. T. Yamamoto, K. Kikunaga, K. Obara, N. Terada, N. Kikuchi, Y. Tanaka, K. Tokiwa, T. Watanabe, A. Sundaresan and Shipra, Depositon of superconducting (Cu,C)-Ba-O films by pulsed laser deposition at moderate temperature, Supercond. Sci. Technol., 20, 461 - 466 (2007).

  89. P. Mahata, A. Sundaresan and S. Natarajan, The role of temperature on the structure and dimensionality of MOFs: an illustrative study of the formation of manganese oxy-bis(benzoate) structures, Chem. Commun. 43, 4471 (2007).

  90. Serrao C. R, A. Sundaresan and C. N. R. Rao, Multiferroic nature of charge-ordered rare earth manganites, J. Phys: Condens. Matter 19, 496217 - 496219 (2007).

  91. A. Gomathi, A. Sundaresan and C. N. R. Rao, Nanoparticles of superconducting gamma-Mo2N and delta MoN, J. Solid State Chem. 180, 291 (2007).

  92. J. N. Behara, A. Sundareshan, Swapan K. Pati and C. N. R. Rao, Magnetic Properties of a Ni(II) Kagome System, ChemPhysChem (Commun.) 8, 217 (2007).

  93. Ayan Roy Chaudhuri, R. Ranjith, S. B. Krupanidhi, R. V. K. Mangalam and A. Sundaresan, Interface dominated biferroic La0.6Sr0.4MnO3/0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 epitaxial superlattices, Appl. Phys. Lett. 90, 122903 (2007).

  94. Shipra, A. Gomathi, A. Sundaresan and C. N. R. Rao, Room-temperature ferromagnetism in nanoparticles of superconducting materials, Solid State Commun. 142, 685 (2007).

  95. A. R. Chaudhuri, R. Ranjith,, S. B. Krupanidhi, R. V. K. Mangalam, A. Sundaresan and S. Majumdar, Realization of biferroic properties in La0.6Sr0.4MnO3/0.7Pb(Mg1/3Nb2/3)O3-0.3(PbTiO3) epitaxial superlattices, J. Apply. Phys. 101, 114104 (2007).

  96. Shipra, Y. Tanaka and A. Sundaresan, Fabrication and characterization of superconducting (Cu,C)Ba2CuO4├??├?┬▒d thin films, Physica C 466, 111 (2007).

  97. R. V. K. Mangalam, P. Mandal, E. Suard and A. Sundaresan, Ferroelectricity in Ordered Perovskite BaBi0.53+(Bi0.25+Nb0.35+)O3 with Bi3+:6s2 Lone Pair at the B-site, Chem. Mater. 19, 4114 (2007).

  98. Neson Vargheese, K. Vinod, R. G. Abhilash Kumar, U. Syamaprasad and A. Sundaresan, Influence of reactivity of sheath materials with Mg/B on superconducting properties of MgB2, J. Appl. Phys. 102, 043914 (2007).

  99. Moumita Ghosh, Kanishka Biswas, A. Sundaresan and C. N. R. Rao, MnO and NiO nanoparticles: Synthesis and magnetic properties, J. Mater. Chem. 16, 106 (2006).

  100. S. Kaji, G.Oomi, T. Eto, E. V. Sampathkumran and A. Sundaresan, Effect of pressure on the lattice properties in Eu0.58Sr0.42MnO3, J. Alloys and compounds 219, 408 - 412 (2006).

  101. R. V. K. Mangalm and A. Sundaresan, Structural, magnetic and magnetotransport properties of La0.7-xCexBa0.3MnO3, J. Chem. Sci. 118, 99 (2006).

  102. A. Sundaresan, R. Bhargavi, N. Rangarajan, U. Siddesh and C. N. R. Rao, Ferromagnetism as a universal feature of nanoparticles of the otheriwise nonmagnetic oxides, Phy. Rev. B. 74, 161306 R (2006).

  103. R. V. K. Mangalam, R. Ranjith, A. Iyo, A. Sundaresan, S. B. Krupanidhi and C. N. R. Rao, Ferroelectricity in Bi26-xMxO40-y (M = Al and Ga) with gamma-Bi2O3 structure, Solid State Commun. 140, 42 (2006).

  104. C. Dark, S. Speller, H. Wu, A. Sundaresan, Y. Tanaka, G. Burnell and C. R. M. Grovenor, Grain boundary properties of Tl-2212 and Tl-1223 thin films, IEEE Trans. on appl. superond. 15, 2931 (2005).

  105. M. V. Jacob, A. Sundaresan, J. Mazierska and Y. Tanaka, Investigation into microwave power dependence of high quality Tl-1223 thin films on LSAT substratrate, IEEE Trans. on appl. superond. 15, 3596 (2005).

  106. T. Eto, A. Sundaresan, F. Honda and G. Oomi, Valence instability of cerium under pressure in the Kondo like perovskite La0.1Ce0.4Sr0.5MnO3, Phys. Rev. B 72, 60402 R (2005).

  107. A. Sundaresan, H. Asada, H. Kito, A. Iyo, Y. Tanaka, M. Kusunoki and S. Ohshima, Effect of surface needles on microwave surface resistance of Tl(Ba,Sr)2Ca2Cu3Oy superconductor thin films on LSAT substrate, Supercond. Sci. Tchnol., 17, 350 (2004).

  108. N. Kikuchi, A. Sundaresan, N. Terada, M. Hirai, K. Tokiwa, T. Watanabe, Y. Kodama, A. Iyo and Y. Tanaka, Epitaxial growth of (Cu,C) Ba2Cun-1CunOx (n=1) film deposited on SrTiO3 substrate by r.f sputtering, Vacuum 74, 585 (2004).

  109. M. Hiroi, A. Iyo, Y. Kodama, A. Sundaresan, J. Arai and Y. Tanaka, Anomalous behavior of irreversibility lines in multi-layered superconductor (Cu,C)Ba2Ca3Cu4Oy, Supercond. Sci. Technol. 17, 423 (2004).

  110. A. Crisan, P. Badica, S. Fujiwara, J. C. Nie, A. Sundaresan, A. Iyo and Y. Tanaka, Nanodots-induced pinning Centers in thin films: Effects on critical current density, activation energy and flux jump rate, IEEE Transactions on applied superconductivity 13, 3726 - 3729 (2003).

  111. J. C. Nie, P. Badica, M. Hirai, A. Sundaresan, A. Crisan, H. Kito, N. Terada, Y. Kodama, A. Iyo, Y. Tanaka and H. Ihara, Electron-doped superconductivity, induced by oxygen vacancies in as-grown Sr0.6Ca0.4CuO2-d, Supercond. Sci. Technolo. 16, (2003).

  112. P. Badica, A. Sundaresan, A. Crisan, J. C. Nie, M. Hirai, S. Fujiwara, H. Kito and H. Ihara, TlBa2Ca2Cu3Oy superconducting films on MgO with different morphologies, Physica C 383, 482 (2003).

  113. J. C. Nie, A. Sundaresan, Y. Kodama, A. Iyo and Y. Tanaka, Growth by rf magnetron sputtering of electron-doped Sr1-xCaxCuO2-d infinite layer films and their structural properties, Supercond. Sci. Technolo. 16, 94 (2003).

  114. A. Sundaresan, H. Asada, A. Crisan, J. C. Nie, H. Kito, A. Iyo, Y. Tanaka, M. Kusunoki and S. Ohshima, Preparation of Tl-2212 and Tl-1223 superconductor thin films and their microwave surface resistance, IEEE Transactions on applied superconductivity 13, 2913 (2003).

  115. A. Sundaresan, Y. Tanaka, A. Iyo, M. Kusunoki and S. Ohshima, Simple test for high Jc and low Rs superconducting thin films, Supercond. Sci. Technolo. 16, (2003).

  116. P. Badica, A. Iyo, A. Crisan, Y. Ishiura, A. Sundaresan and H. Ihara, (Cu,Tl)Ba2Ca3Cu4Ox compositions: I The influence of synthesis time and temperature on the phase formation and evaporation-condensation mechanis, Supercond. Sci. Technol. 15, 964 (2002).

  117. A. Sundaresan, J. C. Nie, M. Hirai, A. Crisan, S. Fujiwara, H. Asada, P. Badica, Y. Ishiura, H. Kito and H. Ihara, Growth of TlBa2Ca2Cu3Oy superconductor thin film on CeO2 buffered sapphire substrate, Physica C 378 - 381 (2002).

  118. A. Crisan, P. Badica, S. Fujiwara, J. C. Nie, A. Sundaresan, Y. Tanaka and H. Ihara, Strong reduction of thermally activated flux jump rate in superconducting thin films by nonodot-induced pinning centers, Appl. Phys. Lett. 80, 3566 (2002).

  119. J. C. Nie, A. Sundaresan, M. Hirai, Y.Ishiura, P. Badica, A. Crisan and H. Ihara, Cum-1Bam(Sr,Ca)nCun+1O2m+2n+1 superlattice thin film by layer-by-layer growth techniques, Physica C 1278, 378 - 381 (2002).

  120. A. Sundaresan, A. Crisan, J. C. Nie, M. Hirai, H. Asada, H. Kito, Y. Tanaka and H. Ihara, TlSr2CaCu2Oy template for the growth of superconducting Tl(Ba,Sr)2Ca2Cu3Oy thin films on CeO2 buffered sapphire, Supercond. Sci. Technol. 15, 960 (2002).

  121. T. Eto, G. Oomi, F. Honda and A. Sundaresan, High-pressure studies of Kondo-like perovskite La0.5-xCexSr0.5MnO3, J. Magn. Magn. Mater. 879, 226 - 230 (2001).

  122. T. Eto, G. Oomi, E. V. Sampathkumaran, A. Sundaresan, M. Kosaka and Y. Uwatoko, Effect of pressure on the magnetostriction and the magnetization of Eu0.58Sr0.42MnO3, Physica B 111, 294 - 295 (2001).

  123. A. Sundaresan, M. Hirai, J. C. Nie, Y. Ishiura, K. Hayashi and H. Ihara, Preparation of CuBa2Ca3Cu4Oy superlattice thin film by Self Assembling Epitaxy (SAE) Method, Physica C 1403, 357 - 360 (2001).

  124. T. Eto, F. Honda, G. Oomi and A. Sundaresan, Effect of pressure on electrical transport in electron doped perovskite manganite Sr0.9Ce0.1MnO3, Proc. of 25th international conference on the Phys. of Semiconductors 231 - 232 (2001).

  125. A. Crisan, S. Fujiwara, J. C. Nie, A. Sundaresan and H. Ihara, Sputtered nonodots: a costless method for inducing effective pinning centers in superconducting thin films, Appl. Phys. Lett. 79, 4547 (2001).

  126. T. Eto, G. Oomi, E. V. Sampathkumaran, A. Sundaresan, M. Kosaka and Y. Uwatoko, Magnetization of Eu0.58Sr0.42MnO3 under high pressure, J. Magn. Soc. Japan 25, 723 (2001).

  127. T. Eto, F. Honda, G. Oomi and A. Sundaresan, Electrical resistance of Manganese oxide La0.1Ce0.4Sr0.5MnO3 under pressure, Transactions of the Materials Research Society of Japan 26, 91 (2001).

  128. J. C. Nie, A. Sundaresan, A. K. Hayashi, Y. Ishiura, Y. Tanaka and H. Ihara, Growth of SrxCa1-xCuO2 film and (CaCuO2)m/(SrCuO2)n superlattice by reactive sputtering, Physica C 1407, 357 - 360 (2001).

  129. J. C. Nie, A. Sundaresan, A. K. Hayashi, Y. Ishiura and H. Ihara, Stoichiometry and thickness distribution of BaCuO2 and CaCuO2 thin films by off-axis RF sputtering, Thin Solid Films 389, 261 (2001).

  130. A. Sundaresan, M. Hirai, J. C. Nie, K. Hayashi, Y. Ishiura and H. Ihara, Preparation of CuBa2Ca3Cu4Oy superlattice thin film by self-assembling epitaxy method, Physica C 357 - 360 (2001).

  131. A. Sundaresan, J. L. Tholence, A. Maignan, B. Raveau, E. Suard and P. Bordet, Kondo-like effect in the double exchange ferromagnet La0.5-xCexSr0.5MnO3, J. Magn. Magn. Mater. 777, 226 - 230 (2001).

  132. H. H. Ihara, K. Tanaka, Y. Tanaka, A. Iyo, N. Terada, M. Tokumoto, M. Ariyama, I. Hase, A. Sundaresan, N. Hamada, S. Miyashita, K. Tokiwa and T. Watanabe, Mechanism of Tc Enhancement in Cu1-xTlx-1234 and 1223 systems with Tc > 130k, Physica C 341-348, 487 - 488 (2000).

  133. I. Kosaka, F. Honda, T. Kagayama, G. Oomi, E. V. Sampathkumaran and A. Sundaresan, Metal-insulator transition of Eu0.58Sr0.42MnO3 under high pressure, Physica B 500, 281 - 282 (2000).

  134. A. Sundaresan, A. Maignan, E. Suard, C. Martin, M. Hervieu, J. L. Tholence and B. Raveau, Jahn-Teller distortion and magnetoresistance in electron doped Sr1-xCexMnO3 (x=0.1, 0.2, 0.3 and 0.4), Eur. Phys. J. B 14, 430 (2000).

  135. A. Sundaresan, V. Caignaert, A. Maignan, B. Raveau and E. Sudard, Anomalous magnetic ordering of Ce and Kondo-like effect in Pr0.1Ce0.4Sr0.5MnO3 double exchange ferromagnet, Phys. Rev. B 60, 533 (1999).

  136. A. Maignan, A. Sundaresan, U. V. Varadaraju and B. Raveau, Magnetization relaxation and aging in spin-glass (La,Y)1-xCaxMnO3 (x=0.25, 0.3 and 0.5) perovskite, J. Magn. Magn. Mater. 184, 83 (1998).

  137. A. Sundaresan, P. L. Paulose, R. Mallik and E. V. Sampathkumaran, Bandwidth controlled electronic and magnetic transitions in La0.5Ca0.5-xSrxMnO3 perovskite, Phys. Rev. B 57, 2690 (1998).

  138. A. Sundaresan, V. Caignaert, B. Raveau and E. Suard, Nuclear and magnetic structures in new distorted perovskites Pr0.5-xCexSr0.5MnO3 (x=0.1 and 0.2), Solid State commun. 104, 489 (1997).

  139. A. Sundaresan, C. Michel, B. Raveau and P. V. Huong, Charge transfer induced semiconductor-superconductor transition in TlBa2-xSrxCa0.4Pr0.6Cu2O7: A joint Neutron/x-ray Rietveld, Raman scattering and infrared absorption studies, Chem. Mater. 9, 2212 (1997).

  140. A. Sundaresan, A. Maignan and B. Raveau, Effect A-site ionic-size-mismatch on charge ordering and colossal magnetoresistance in perovskite manganites, Phy. Rev. B. 56, 5092 (1997).

  141. A. Sundaresan, A. Maignan and B. Raveau, Spin glass state and magnetic field induced phenomena in distorted Eu0.58Sr0.42MnO3 Perovskite, Phy. Rev. B 57, 5596 (1997).

  142. A. Sundaresan, A. Maignan and B. Raveau, Evidence for 2D - 3D magnetic ordering of Gd in high-Tc related CaGdCuO3Cl and Ca4Ln2Cu3O8Cl4 (Ln=Gd, Sm), Phy. Rev. B 54, 12576 (1996).

  143. D. Pelloquin, A. Sundaresan, M. Hervieu, C. Michel and B. Raveau, New copper oxychlorides Ca4Ln2Cu3O8Cl4, first members of the intergrowth series (Ca2CuO2Cl2)m(Ln2Ca2Cu2O6Cl2)n (Ln=Gd, Sm), J.Solid State Chem. 127, 315 (1996).

  144. A. Sundaresan, D. Pelloquin, A. Maignan, M. Hervieu, C. Michel, U. V. Varadaraju and B. Raveau, Evidence of new layered cuprates in the Hg-A-Gd-Cu-O system (A=Ba, Sr), J. Mater. Chem. 6, 1549 (1996).

  145. Rajni Sharma, A. Sundaresan, A. Sequeira, L. C. Gupta and M. Sharon, Redox mechanism for the generation of holes in TlBa1-xSrxLaCuO5+d A neutron diffraction study, Phys. Rev. 4427 (1995).

  146. A. Sundaresan, A. D. Chinchure, K. Ghosh, S. Ramakrishnan, V. Marathe, L. C. Gupta, M. Sharon and S. S. Shah, Superconducting and magnetic properties of TlSr2Ca1-xRxCu2O7 [R=Pr (x=0.2 - 1.0); Tb (x=0.6 and 1.0)], Phys. Rev. B 51, 3893 (1995).

  147. A. Sundaresan, C. S. Gopinath, S. Subramanian, L. C. Gupta, M. Sharon and R. Vijayaraghavan, Superconductivity and valence state of Tl in TlA2-xLaxCuO5 and TlA2Ca1-xGdxCunO2n+3, Phys. Rev. 10238 (1994).

  148. A. Sundaresan, R. Nagarajan, L. C. Gupta, R. Vijayaraghavan, M. Sharon, A. S. Tamhane and R. Pinto, Possible overdoping in TlSrLaCuO5 and superconductivity in TlBaLaCuO5, Phys. Rev. 13127 (1994).

  149. A. Sundaresan, K. Ghosh, S. Ramakrishnan, L. C. Gupta, Girish Chandra, M. Sharon and R. Vijayaraghavan, Magnetic and superconducting properties of TlSr2Ca1-xRxCu2O7 [R=Gd (x=0.6, 1.0); Ho, Yb (x=1.0)]; High TN(=3.1 K) in Gd syste, Phys. Rev. 6388 (1994).

  150. T. Mertelj, A. Sundaresan, L. C. Gupta, M. Sharon and D. Mihailovic, Frequencyshifts of optical phonons due to size effect induced charge transfer in TlBa1-xSrxLaCuO5, Solid State commun. 88, 271 (1993).

  151. A. Sundaresan, C. S. Gopinath, A. S. Tamhane, A. K. Rajarajan, M. Sharon, S. Subramanian, R. Pinto, L. C. Gupta and R. Vijayaraghavan, X-ray photoelectron spectroscopic studies of valence state of Tl in single-Tl-O layered TlBa1-xSrxLaCuO5 (0 < x < 1), Phy. Rev. B 46, 6622 (1992).

  152. A. K. Rajarajan, A. Sundaresan, Ravi Kumar, M. Sharon, L. C. Gupta and R. Vijayaraghvan, Nuclear magnetic resonance of Tl in superconducting TlBa2-xLaxCuO5-y, J. Phys: Condens. Matter 4, 6971 (1992).

  153. A. Sundaresan, A. K. Rajarajan, L. C. Gupta, M. Sharon and R. Vijayaraghvan, Superconducting behaviour of TlBa2-xLaxCuO5-y, Physica C 178, 193 (1991).

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