• Doping Dependent Metal to Insulator Transition in the (Bi, Pb)-2212 System: The Evolution of Structural and Electronic Properties with Europium Substitution 

  Shabna, R; Sarun, P M; Vinu, S; Syamaprasad, U (IOP Publishing, 2009-09)

  The present work investigates the effect of europium substitution on the (Bi, Pb)-2212 system in the concentration range 0.5 ≤ x ≤ 1.0. Phase analysis and lattice parameter calculations on the powder diffraction data and ...
• Reactions of Morita–Baylis–Hillman Acetates with Huisgen Zwitterions: A Novel Strategy for the Synthesis of b-Amino Acid Derivatives 

  Anu, J; Paul, R R; Resmi, M; Smitha, C M; Biju, A T; Suresh, E; Vijay Nair, G (Thieme, 2009)

  The reaction of Huisgen Zwitterion with Morita–Baylis–Hillman acetates afforded β-amino acid derivatives.
• Immobilized Bacterial α-amylase for Effective Hydrolysis of Raw and Soluble Starch 

  Dhanya, G; Nampoothiri, K M; Swetha, S; Pandey, A (Elsevier, 2009-05)

  The major concern in an enzymatic process is the instability of the enzyme under repetitive or prolonged use and inhibition by high substrate and product concentration. Immobilization is a very effective alternative in ...
• Pyrochlore Type Semiconducting Ceramic Oxides in Ca–Ce–Ti–M–O System (M = Nb or Ta)—Structure, Microstructure and Electrical Properties 

  Deepa, M; Prabhakar Rao, P; Radhakrishnan, A N; Sibi, K S; Peter Koshy (Elsevier, 2009-07-01)

  A new series of pyrochlore type ceramic semiconducting oxides in Ca–Ce–Ti–M–O (M = Nb or Ta) system has been synthesized by the conventional ceramic route. The electrical conductivity measurements show that these oxides ...
• CeO2–La0.5Sr0.5CoO3−δ Composites for Giant Permittivity Applications 

  Anjana, P S; Sumesh, G; Sebastian, M T (IOP Publishing, 2009)

  CeO2–La0.5Sr0.5CoO3−δ (LSCO) composites with different LSCO loadings were prepared by the conventional solid-state ceramic route. X-ray diffraction and scanning electron microscopy results show that the composite is a ...
• Doping Controlled Metal to Insulator Transition in the (Bi, Pb)-2212 System 

  Shabna, R; Sarun, P M; Vinu, S; Biju, A; Syamaprasad, U (IOP Publishing, 2009-04)

  We report on the details of the metal?insulator transition in the Bi1.7Pb0.4Sr2-xPrxCa1.1Cu2.1O8+?system, in the concentration range of x = 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.3 and 1.5. In addition to the electrical ...
• Synthesis of Low Loss, Thermally Stable CexY1−xTiTaO6 Microwave Ceramics 

  Kumar, H P; Annamma, J; Vijayakumar, C; Thomas, J K; Varma, M R; Sam Solomon (2009-02-04)

  CexY1−xTiTaO6 ceramics were prepared through the solid-state ceramic route. The materials were sintered in the range 1520–1580 °C. The structure of the system was analyzed by X-ray diffraction and Raman spectroscopic ...
• Microhardness and Fracture Toughness of Ce0.9Gd0.1O1.95 for Manufacturing Solid Oxide Electrolytes 

  Mangalaraja, R V; Ananthakumar, S; Uma, K; Jimenez, R M; Lopez, M; Camurri, C P (Elsevier, 2009-08-20)

  Synthesis of nanocrystalline gadolinium doped ceria (Ce0.9Gd0.1O1.95) was attempted by nitrate-fuel combustion technique involving different organic fuels namely urea, citric acid, glycine and poly ethylene glycol. ...
• Development of Methane Emission Factors for Indian Paddy Fields and Estimation of National Methane Budget 

  Gupta, P K; Gupta, V; Sharma, C; Das, S N; Purkait, N; Adhya, T K; Pathak, H; Ramesh, R; Baruah, K K; Venkatratnam, L; Singh, G; Iyer, C S P (Elsevier, 2009-01)

  A state-wise assessment of methane (CH4) budget for Indian paddies, based on a decadal measurement data across India is presented for the calendar year (CY) 1994, the base year for India’s Initial National Communication ...
• Three-Phase Polymer–Ceramic–Metal Composite for Embedded Capacitor Applications 

  Sumesh, G; Sebastian, M T (Elsevier, 2009-06)

  This paper addresses the materials and processes for printed wiring board compatible embedded capacitor using ceramic, polymer and metal. The Ca[(Li1/3Nb2/3)0.8Ti0.2]O3−δ (CLNT)–epoxy–silver, three-phase composites were ...
• Structural and Electrical Properties of Bi1.7Pb0.4Sr2−xHoxCa1.1Cu2.1O8+δ System Across the Metal to Insulator Transition 

  Shabna, R; Sarun, P M; Vinu, S; Syamaprasad, U (Elsevier, 2009-07-29)

  The structural and electrical properties of Bi1.7Pb0.4Sr2−xHoxCa1.1Cu2.1O8+δ (0.5 ≤ x ≤ 1.0) system, synthesized by solid state reaction technique are reported across the metal to insulator transition (MIT). The system ...
• Sinterability and Microwave Dielectric Properties of 0.95MgTiO3–0.05CaTiO3–Glass Ceramic Composites 

  Sanoj, M A; Varma, M R (Elsevier, 2009-05-27)

  Phase pure dielectric ceramic material of composition 0.95MgTiO3–0.05CaTiO3 (MCT) was prepared using conventional solid state ceramic route. Glasses of different compositions viz. 60ZnO–30B2O3–10SiO2 (ZBS), 30BaO–60B2O3–10SiO2 ...
• Properties of Superconducting, Polycrystalline Dysprosium-doped Bi1.6Pb0.5Sr2−xDyxCa1.1Cu2.1O8+δ (0 ≤ x ≤ 0.5) 

  Sarun, P M; Vinu, S; Shabna, R; Biju, A; Syamaprasad, U (Elsevier, 2009-05-06)

  The structural and superconducting properties of dysprosium (Dy) doped (Bi,Pb)-2212 superconductor have been studied. Dy concentration is varied from x = 0.0 to 0.5 in a general stoichiometry of Bi1.6Pb0.5Sr2−xDyxCa1.1Cu2.1O8+δ. ...
• Order–disorder Phase Transformations in Quaternary Pyrochlore Oxide System: Investigated by X-ray Diffraction, Transmission Electron Microscopy and Raman Spectroscopic Techniques 

  Radhakrishnan, A N; Prabhakar Rao, P; Sibi, K S; Deepa, M; Peter Koshy (Elsevier, 2009-08)

  Order–disorder transformations in a quaternary pyrochlore oxide system, Ca–Y–Zr–Ta–O, were studied by powder X-ray diffraction (XRD) method, transmission electron microscope (TEM) and FT-NIR Raman spectroscopic techniques. ...
• Novel Powellite-based Red-emitting Phosphors: CaLa1−xNbMoO8:xEu3+ for White Light Emitting Diodes 

  Mariyam Thomas; Prabhakar Rao, P; Deepa, M; Chandran, M R; Peter Koshy (Elsevier, 2009-01)

  We report the photoluminescence properties of a novel powellite-based red-emitting phosphor material: CaLa1−xNbMoO8:xEu3+ (0.01, 0.03, 0.05, 0.1) for the first time. The photoluminescence investigations indicated that ...
• Near Room Temperature Magneto Caloric Effect in V doped La0.67Ca0.33MnO3 Ceramics 

  Nisha, P; Santhosh, P N; Suresh, K G; Pavithran, C; Varma, M R (Elsevier, 2009-06-10)

  La0.67Ca0.33MnO3 doped with different amounts of V, resulting in the series La0.67Ca0.33Mn1−xVxO3 [x = 0.03, 0.06, 0.1, 0.15, 0.25, 0.5] was synthesized by conventional solid-state ceramics route. Heat treatment conditions ...
• Modulation of Haloperidol Induced Electrophysiological Alterations on Cardiac Action Potential by Various Risk Factors and Gender Difference 

  Raghu, K G; Singh, R; Prathapan, A; Yadav, G K (Elsevier, 2009-08-14)

  Haloperidol (HPL), well known antipsychotic drug can induce a marked QT prolongation and polymorphic arrhythmias. In this study we evaluated the influence of various induced risk factors such as electrolyte imbalance ...
• Microwave Assisted Combustion Synthesis of Nanocrystalline Yttria and its Powder Characteristics 

  Mangalaraja, R V; Mouzon, J; Hedström, P; Camurri, C P; Ananthakumar, S; Oden, M (Elsevier, 2009-04-24)

  Microwave assisted combustion synthesis is used for fast and controlled processing of advanced ceramics. Single phase and sinter active nanocrystalline cubic yttria powders were successfully synthesized by microwave assisted ...
• Microstructural and Superconducting Properties of Yb-substituted (Bi,Pb)-2212 Superconductor Sintered at Different Temperatures 

  Sarun, P M; Vinu, S; Shabna, R; Biju, A; Syamaprasad, U (Elsevier, 2009-03-20)

  The influence of sintering temperature on the microstructure and superconducting properties of Bi1.7Pb0.4Sr1.8Yb0.2Ca1.1Cu2.1O8+δ has been investigated. Yb-free (Bi1.7Pb0.4Sr2.0Ca1.1Cu2.1O8+δ) and Yb-substituted ...
• Influence of Sintering Temperature on Microstructure, Critical Current Density and Pinning Potential of Superconducting Bi1.6Pb0.5Sr1.8Dy0.2Ca1.1Cu2.1O8þd Ceramics 

  Vinu, S; Sarun, P M; Shabna, R; Biju, A; Guruswamy, P; Syamaprasad, U (Elsevier, 2009-06)

  The influence of sintering temperature on the microstructure, critical current density (JC), pinning potential values (U0) and flux pinning properties of Bi1.6Pb0.5Sr1.8Dy0.2Ca1.1Cu2.1O8+δ superconductor has been investigated. ...

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