TOPPUBLICATIONS IN JOURNALS: 1983-1990

1990

  • Limiting long-range-ordered solids to finite sizes in condensed matter physics
    P Ayyub, V R Palkar and P Guptasarma
    Phase Transitions B 24-26 (1990) 91 (Special issue: "Physics of Atomic Clusters and Nanophase Materials", ed. M S Multani & V K Wadhawan)
  • Formation of theoretical density, microhomogeneous YBa2Cu3O7-x using a microemulsion-mediated process
    P Ayyub, A N Maitra and D O Shah
    Physica C: Superconductivity 168 (1990) 571

1989

  • High-temperature superconductivity in the Bi-Ca-Sr-Cu-O system with several variations in stoichiometry
    M S Multani, P Guptasarma, V R Palkar and P Ayyub
    J. Physics: Condensed Matter 1 (1989) 395
  • Size effects in microparticle high temperature superconducting ceramics YBa2Cu3O7 and Bi2CaSr2Cu2O8
    M S Multani, P Guptasarma, V R Palkar, P Ayyub and A V Gurjar
    Physics Letters A 142 (1989) 293
  • Raman scattering in the multiple-phase-transition systems BiTaO4, SbTaO4, BiNbO4 and SbNbO4
    M S Multani, P Ayyub, V R Palkar and R M Wankar
    Indian J. Physics (Raman Centenary Issue) 63 (1989) S52

1988

  • Size-induced structural phase transitions and hyperfine properties of microcrystalline Fe2O3
    P Ayyub, M S Multani, M Barma, V R Palkar and R Vijayaraghavan
    J. Physics C: Solid State Physics 21 (1988) 2229
  • Non-isovalent substitution at the Ba2+ site in YBa2Cu3O7
    A K Rajarajan, P Guptasarma, V R Palkar, P Ayyub, M S Multani, L C Gupta and R Vijayaraghavan
    Physica C: Superconductivity 153-155 (1988) 894
  • Anomalous behaviour in high-TC superconductors based on YBa2Cu3O7
    A K Rajarajan, P Guptasarma, V R Palkar, P Ayyub, L C Gupta, R Vijayaraghavan and M S Multani
    Modern Physics Letters B 2 (1988) 897
  • Structural and electrical properties of the superconductor YBa2-XLaXCu3O7
    A Sequeira, H Rajagopal, S Mazumder, A K Rajarajan, P Ayyub, L C Gupta and R Vijayaraghavan
    Rev. Solid State Science 2 (1988) 229

1987

  • Structural, dielectric and vibrational properties of the stibiotantalite (Sb1-xBix)NbO4 system for 0≤x≤1
    P Ayyub, V R Palkar, M S Multani and R Vijayaraghavan
    Ferroelectrics 76 (1987) 93
  • Superconductivity in TmBa2Cu3O7
    P Ayyub, S Balasubramanian, P Guptasarma, A K Rajarajan, V Manivannan, L C Gupta, M S Multani and R Vijayaraghavan
    J. Physics C: Solid State Physics 20 (1987) L621
  • Evidence for transient superconductivity near 260 K
    P Ayyub, P Guptasarma, A K Rajarajan, L C Gupta, R Vijayaraghavan and M S Multani
    J. Physics C: Solid State Physics 20 (1987) L673
  • Fe57 Mossbauer study of U(Fe,Co)2
    C V Tomy, P Ayyub, J V Yakhmi, L C Gupta and R Vijayaraghavan
    Hyperfine Interactions 34 (1987) 451

1986

  • Anomalous behaviour of the magnetic hyperfine field in microcrystalline YFeO3-Fe2O3 mixed phase system
    P Ayyub, M S Multani and R Vijayaraghavan
    Physics Letters A 119 (1986) 95
  • Vibrational spectroscopic study of ferroelectric SbNbO4, antiferroelectric BiNbO4, and their solid solutions
    P Ayyub, M S Multani, V R Palkar and R Vijayaraghavan
    Physical Review B 34 (1986) 8137

1985

  • Enhancement of energy loss of fast electrons in a ferroelectric medium near the Curie temperature
    P Ayyub, M S Multani, M R Srinivasan, R Vijayaraghavan, M D Deshpande, S C Vaidya, A Roy and H C Jain
    Physical Review B 32 (1985) 2835

1984

  • Ferroelectric phase transition in amorphous Pb(Zr,Ti)O3
    M R Srinivasan, P Ayyub, M S Multani, V R Palkar and R Vijayaraghavan
    Physics Letters A 101 (1984) 435
  • Amorphous state ferroelectricity, magnon softening and phase stability in microparticle materials
    M S Multani, P Ayyub, V R Palkar, M R Srinivasan, V Saraswati, R Vijayaraghavan and D O Shah
    Bulletin of Materials Science 6 (1984) 327

1983

  • Synthesis and Mossbauer characterization of microcrystalline YFeO3
    P Ayyub, M S Multani and A Gurjar
    Materials Letters 2 (1983) 122
  • Microcrystals of cooperative behaviour materials
    M S Multani, R Vijayaraghavan, M R Srinivasan, P Ayyub, V R Palkar, V Saraswati and A V Gurjar
    Bulletin of Materials Science 5 (1983) 343
  • Soft modes and grain size effects in ferroelectric ceramics
    M R Srinivasan, M S Multani, P Ayyub and R Vijayaraghavan
    Ferroelectrics 51 (1983) 797
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