All Stories

  1. Improvement of Magnetocaloric Effects and Study of Magneto-Transport Behavior of Lanthanum Strontium Manganites by Grain Boundary Management via Additives

    Article • Journal of Electronic Materials, October 2023, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  2. Electric and dielectric studies of MgCuZn ferrites

    Article • Ferroelectrics, July 2023, Taylor & Francis

    Prof Kota Venkata Sivakumar

  3. Iron ion non-stoichiometry and its effect on structural, magnetic and dielectric properties of cobalt ferrites prepared using oxalate precursor method

    Article • Materials Chemistry and Physics, February 2023, Elsevier

    Prof Kota Venkata Sivakumar

  4. Estimation of iron ion distribution at various sites contributing to saturation magnetization in barium hexaferrite at different sintering temperatures

    Article • Journal of Physics and Chemistry of Solids, August 2021, Elsevier

    Prof Kota Venkata Sivakumar

  5. Role of Bi2O3 and ZrO2 additives and sintering temperature on cation distribution in barium hexaferrites: an estimation from Neel’s sub-lattice theory

    Article • Applied Physics A, October 2020, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  6. Effect of bismuth doping on the structural, magnetic, electrical, and thermopower behavior of lanthanum silver manganites

    Article • Journal of Materials Science Materials in Electronics, August 2020, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  7. DC conductivity and Seebeck coefficient of nonstoichiometric MgCuZn ferrites

    Article • Materials Science-Poland, January 2017, De Gruyter

    Madhuri Wuppulluri, Prof Kota Venkata Sivakumar

  8. Effect of glass on magnetic properties of microwave-processed MgCuZn nano ferrites

    Article • Journal of the Australian Ceramic Society, December 2016, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  9. Studies on Internal Friction and Curie Temperature of NiMgCuZn Spinel Ferrites for Micro-Inductor Applications

    Article • Solid State Phenomena, October 2015, Trans Tech Publications

    Professor Hardev Singh Virk, Dr Varalaxmi Narla, Prof Kota Venkata Sivakumar

  10. Effects of sintering temperature on structural and electromagnetic properties of MgCuZn ferrite prepared by microwave sintering

    Article • Advances in Applied Ceramics Structural Functional and Bioceramics, May 2015, SAGE Publications

    Prof Kota Venkata Sivakumar

  11. Phase Transitions Of The Ferroelectric Na0.5Bi0.5TiO3 By Dielectric And Internal Friction Measurements

    Article • Advanced Materials Letters, January 2015, VBRI Press

    Prof Kota Venkata Sivakumar

  12. Structural and dielectric studies of magnesium substituted NiCuZn ferrites for microinductor applications

    Article • Materials Science and Engineering B, May 2014, Elsevier

    Prof Kota Venkata Sivakumar

  13. Microwave sintering of nickel ferrite nanoparticles processed via sol–gel method

    Article • Journal of Sol-Gel Science and Technology, February 2014, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  14. Studies on Structural and Electrical Properties of Ball-Milled NiCuZn-MgCuZn Nanocomposites Ferrites

    Article • Metallurgical and Materials Transactions A, October 2013, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  15. Transport properties of microwave sintered pure and glass added MgCuZn ferrites

    Article • Materials Science and Engineering B, July 2013, Elsevier

    Prof Kota Venkata Sivakumar

  16. Effect of La substitution on structural and magnetic properties of microwave treated Mg0.35Cu0.05Zn0.60LaxFe2−xO4 ceramics

    Article • Superlattices and Microstructures, April 2013, Elsevier

    Prof Kota Venkata Sivakumar

  17. Development of a Stress Insensitive MgCuZn-NiCuZn Composite Ferrite Useful for Microinductors Applications

    Article • February 2013, IntechOpen

    Prof Kota Venkata Sivakumar

  18. Possibility of NiCuZn Ferrites Composition for Stress Sensor Applications

    Article • Journal of Ceramics, January 2013, Hindawi Publishing Corporation

    Prof Kota Venkata Sivakumar

  19. Structural, magnetic, DC–AC electrical conductivities and thermo electric studies of MgCuZn Ferrites for microinductor applications

    Article • Materials Science and Engineering C, January 2013, Elsevier

    Prof Kota Venkata Sivakumar

  20. Mechanical properties of Ni0.83Co0.15Cu0.02Fe1.9O4−δ+PbZr0.52Ti0.48O3 particulate composites by composite oscillator technique and the correlation with the results of magnetoelectric properties

    Article • Journal of Advanced Ceramics, December 2012, Tsinghua University Press

    Prof Kota Venkata Sivakumar, Dr Venkata Ramana Mudinepalli

  21. Structural, electrical, magnetic, elastic, and internal friction studies of Nd1−xCaxMnO3 (x=0.2, 0.33, 0.4, and 0.5) manganites

    Article • Journal of Physics and Chemistry of Solids, March 2012, Elsevier

    Prof Kota Venkata Sivakumar

  22. Characterization and Electromagnetic Studies on NiZn and NiCuZn Ferrites Prepared by Microwave Sintering Technique

    Article • Materials Sciences and Applications, January 2012, Scientific Research Publishing, Inc,

    Prof Kota Venkata Sivakumar

  23. Influence of Magnesium Substitution on Thermal and Electrical Properties of NiCuZn Ferrites for Microinductor Core Applications

    Article • Physics Research International, January 2012, Hindawi Publishing Corporation

    Prof Kota Venkata Sivakumar

  24. Magnetic properties of Ni-Zn ferrites prepared by microwave sintering method

    Article • Journal of Electroceramics, December 2011, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  25. Microwave sintering of iron deficient Ni–Cu–Zn ferrites for multilayer chip inductors

    Article • Current Applied Physics, March 2011, Elsevier

    Prof Kota Venkata Sivakumar

  26. Investigation and characterization of Pb(Zr0.52Ti0.48)O3 nanocrystalline ferroelectric ceramics: By conventional and microwave sintering methods

    Article • Materials Chemistry and Physics, March 2011, Elsevier

    Prof Kota Venkata Sivakumar

  27. MAGNETO-ELECTRIC EFFECT IN MULTIFERROIC Ni 0.93 Co 0.02 Mn 0.05 Fe 1.95 O 4-δ /PbZr 0.52 Ti 0.48 O 3 PARTICULATE COMPOSITES: DIELECTRIC, PIEZOELECTRIC PROPERTIES

    Article • Modern Physics Letters B, February 2011, World Scientific Pub Co Pte Lt

    Prof Kota Venkata Sivakumar

  28. STRUCTURAL, ELECTRICAL AND MAGNETIC CHARACTERIZATION OF Ni–Cu–Zn SPINEL FERRITES

    Article • Modern Physics Letters B, January 2011, World Scientific Pub Co Pte Lt

    Prof Kota Venkata Sivakumar

  29. Development of Non-Shrinking Soft Ferrite Composition Useful for Microinductors Applications

    Article • World Journal of Condensed Matter Physics, January 2011, Scientific Research Publishing, Inc,

    Prof Kota Venkata Sivakumar

  30. SYNTHESIS OF LEAD FREE SODIUM BISMUTH TITANATE (NBT) CERAMIC BY CONVENTIONAL AND MICROWAVE SINTERING METHODS

    Article • Journal of Advanced Dielectrics, January 2011, World Scientific Pub Co Pte Lt

    Prof Kota Venkata Sivakumar

  31. Influence of copper substitution on magnetic and electrical properties of MgCuZn ferrite prepared by microwave sintering method

    Article • Materials Science and Engineering C, October 2010, Elsevier

    Prof Kota Venkata Sivakumar

  32. Effect of sintering temperature on structural and magnetic properties of NiCuZn and MgCuZn ferrites

    Article • Journal of Magnetism and Magnetic Materials, October 2010, Elsevier

    Prof Kota Venkata Sivakumar

  33. High permeability and stress insensitivity of MgCuZn–NiCuZn ferrite composites for microinductor applications

    Article • Journal of Materials Science Materials in Electronics, October 2010, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  34. Structural, magnetic and electrical properties of NiCuZn ferrites prepared by microwave sintering method suitable for MLCI applications

    Article • Journal of Physics and Chemistry of Solids, September 2010, Elsevier

    Prof Kota Venkata Sivakumar

  35. Structural, electrical, magnetic, elastic and anelastic behaviour of

    Article • Solid State Communications, May 2010, Elsevier

    Prof Kota Venkata Sivakumar

  36. Microwave sintering of high-permeability MgCuZn ferrite at low sintering temperatures suitable for microinductor applications

    Article • Physica Scripta, April 2010, Institute of Physics Publishing

    Prof Kota Venkata Sivakumar

  37. Nanocrystalline Pb(Zr0.52Ti0.48)O3Ferroelectric Ceramics: Mechanical and Electrical Properties

    Article • Journal of Nanomaterials, January 2010, Hindawi Publishing Corporation

    Prof Kota Venkata Sivakumar

  38. Studies on AC and DC electrical conductivity and thermo-electric power of NiMgCuZn ferrites

    Article • International Journal of Nanoparticles, January 2010, Inderscience Publishers

    Prof Kota Venkata Sivakumar

  39. Ferromagnetic-Dielectric Ni0.5Zn0.5Fe1.9O4−δ/PbZr0.52Ti0.48O3Particulate Composites: Electric, Magnetic, Mechanical, and Electromagnetic Properties

    Article • Advances in Condensed Matter Physics, January 2010, Hindawi Publishing Corporation

    Prof Kota Venkata Sivakumar

  40. Enhanced mangnetoelectric voltage in multiferroic particulate Ni0.83Co0.15Cu0.02Fe1.9O4−δ/PbZr0.52Ti0.48O3 composites – dielectric, piezoelectric and magnetic properties

    Article • Current Applied Physics, September 2009, Elsevier

    Prof Kota Venkata Sivakumar

  41. Comparison of initial permeability of MgCuZn ferrites sintered by both conventional and microwave methods

    Article • Journal of Physics D Applied Physics, July 2009, Institute of Physics Publishing

    Prof Kota Venkata Sivakumar

  42. Stress insensitive NiCuZn ferrite compositions for microinductor applications

    Article • Current Applied Physics, March 2009, Elsevier

    Prof Kota Venkata Sivakumar

  43. Internal friction and longitudinal modulus behaviour of multiferroic PbZr 0.52 Ti 0.48 O 3 +Ni 0.93 Co 0.02 Mn 0.05 Fe 1.95 O 4−δ particulate composites

    Article • Journal of Physics D Applied Physics, November 2007, Institute of Physics Publishing

    Prof Kota Venkata Sivakumar

  44. Dielectric, elastic, anelastic and conductivity behaviour of ferroelectromagnetic composites, Ni0·5Zn0·5Fe1·95O4−δ + Ba0·8Pb0·2TiO3

    Article • Bulletin of Materials Science, August 2007, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  45. Stress sensitivity of inductance in NiMgCuZn ferrites and development of a stress insensitive ferrite composition for microinductors

    Article • Journal of Materials Science Materials in Electronics, July 2007, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  46. Stress sensitivity of inductance in NiCuZn ferrites

    Article • Journal of Magnetism and Magnetic Materials, April 2005, Elsevier

    Prof Kota Venkata Sivakumar

  47. Effect of Temperature on the Elastic and Anelastic Behaviour of Magneto-Ferroelectric Composites Ba 0.8 Pb 0.2 TiO 3 + Ni 0.93 Co 0.02 Mn 0.05 Fe 1.95 O 4-δ in the Ferroelectric Rich Region

    Article • Journal of Electroceramics, December 2003, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  48. Dielectric behaviour and magnetoelectric effect in CuFe2O4–Ba0.8Pb0.2TiO3 composites

    Article • Materials Chemistry and Physics, August 2001, Elsevier

    Prof Kota Venkata Sivakumar

  49. AC conductivity and magnetoelectric effect in CuFe1.6Cr0.4O4–BaTiO3 composite ceramics

    Article • Materials Chemistry and Physics, June 2000, Elsevier

    Prof Kota Venkata Sivakumar

  50. Temperature dependence of elastic moduli of MnZn ferrites in Mn-rich region at saturation magnetic fields

    Article • Journal of Magnetism and Magnetic Materials, September 1997, Elsevier

    Prof Kota Venkata Sivakumar

  51. Effect of Magnetic Field on the Temperature Variation of Internal Friction Loss of Mn–Zn Spinel Ferrites in the Manganese-Rich Region

    Article • phys stat sol (a), May 1997, Wiley

    Prof Kota Venkata Sivakumar

  52. Ultrasonic Studies of Natural Oils and Fats of Plant Origin

    Article • Crystal Research and Technology, January 1993, Wiley

    Prof Kota Venkata Sivakumar

  53. Thermal expansion of Mc-Zn ferrites in the manganese-rich region

    Article • Journal of Materials Science Letters, January 1991, Springer Science + Business Media

    Prof Kota Venkata Sivakumar

  54. Ultrasonic Studies in Aqueous (Dilute) Solutions ofNaNO3andKNO3

    Article • Zeitschrift für Physikalische Chemie, January 1973, De Gruyter

    Prof Kota Venkata Sivakumar