PUBLICATIONS IN JOURNALS: 1991-2000

2000

  • Si-induced finite size effects in PbTiO3
    V R Palkar, S C Purandare, P Ayyub and R Pinto
    J. Applied Physics 87 (2000) 462
  • Effect of the size-induced structural transformation on the band gap in CdS nanoparticles
    R Banerjee, R Jayakrishnan and P Ayyub
    J. Physics: Condensed Matter 12 (2000) 10647

1999

  • Spin polarized tunneling in granular polycrystalline colossal magnetoresistive manganites
    P Raychaudhuri, P Taneja, A K Nigam, P Ayyub, R Pinto and A. Patade
    Physica B 259-261 (1999) 812
  • Theory of size induced phase transitions in displacive ferroelectrics
    K. Sheshadri, R. Lahiri, P. Ayyub and S. Bhattacharya
    J. Physics: Condensed Matter 11 (1999) 2459
  • Spin polarized tunneling in the half-metallic ferromagnets La0.7-xHoxSr0.3MnO3 (x = 0 and 0.15): Experiment and theory
    P Raychaudhuri, K Sheshadri, P Taneja, S Bandyopadhyay, P Ayyub, A K Nigam, R Pinto, S. Chaudhary and S B Roy
    Physical Review B 59 (1999) 13919
  • Optical properties of transparent nanocrystalline Cu2O thin films synthesized by high pressure gas sputtering
    R Chandra, P Taneja and P Ayyub
    Nanostructured Materials 11 (1999) 505
  • The nature of ferroelectric order in finite systems
    P Ayyub, S Chattopadhyay, K. Sheshadri and R Lahiri
    Nanostructured Materials 12 (1999) 713
  • Synthesis and TEM study of nanoparticles and nanocrystalline thin films of silver by high pressure sputtering
    R Chandra, P Taneja, J John, P Ayyub, G K Dey and S K Kulshreshtha
    Nanostructured Materials 11 (1999) 1171

1998

  • Ferroelectric behavior in thin films of antiferroelectric materials
    P Ayyub, S Chattopadhyay, R Pinto and M S Multani
    Physical Review B 57 (1998) R5559
  • Preparation and characterization of ultrafine TiO2 particles in reverese micelles by hydrolysis of Ti-DEHSS
    M Lal, V Chhabra, P Ayyub and A N Maitra
    J. Materials Research 13 (1998) 1249
  • Synthesis of thin films of polycrystalline ferroelectric BiNbO4 on Si by pulsed laser ablation
    S Chattopadhyay, P Ayyub, R Pinto and M S Multani
    J. Materials Research 13 (1998)1113
  • Synthesis of oriented thin films of ferroelectric SbNbO4 on Si by pulsed laser ablation
    S Chattopadhyay, P Ayyub, M S Multani and R Pinto
    J. Applied Physics 83 (1998) 3911
  • Dielectric properties of oriented thin films of PbZrO3 on Si produced by pulsed laser ablation
    S Chattopadhyay, P Ayyub, V R Palkar, M S Multani, S P Pai, S C Purandare and R Pinto
    J. Applied Physics 83 (1998) 7808

1997

  • Finite size effects in antiferroelectric PbZrO3 nanoparticles
    S Chattopadhyay, P Ayyub, V R Palkar, A V Gurjar, R M Wankar and M S Multani
    J. Physics: Condensed Matter 9 (1997) 8135
  • A study of the structure and composition of Si-doped PbTiO3
    V R Palkar, S Chattopadhyay, P Ayyub, M S Multani, S K Paranjape and V Siruguri
    Materials Lett. 32 (1997) 171
  • Vibrational spectroscopic study of the semi-organic non-linear optical crystal Bis(thiourea) cadmium chloride
    V Venkataraman, H L Bhat, M R Srinivasan, P Ayyub and M S Multani
    J. Raman Spectroscopy 28 (1997) 779

1996

  • Preparation of acicular γ-Fe2O3 particles from a microemulsion-mediated reaction
    V Chhabra, P Ayyub, S Chattopadhyay and A N Maitra
    Materials Lett. 26 (1996) 21
  • Size-induced structural transition in the Cu-O and Ce-O systems
    V R Palkar, P Ayyub, S Chattopadhyay and M S Multani
    Physical Review B 53 (1996) 2167
  • Electronic structure of the 4H-polytype of diamond
    A K Sharma, H G Salunke, G P Das, P Ayyub and M S Multani
    J. Physics: Condensed Matter 8 (1996) 5801
  • Synthesis of crystalline α-C3N4 thin films by laser processing at a liquid-solid interface
    A K Sharma, P Ayyub, M S Multani, K P Adhi, S B Ogale, M Sunderaraman, D D Upadhyay, S Banerjee
    Applied Physics Lett. 69 (1996) 3489

1995

  • Distinguishing the sub-micrometer man-made debris from interplanetary dust in near earth satellites
    M N Vahia, P Ayyub and J S Yadav
    Astronomy and Astrophysics 301 (1995) 914
  • The effect of crystal size reduction on lattice symmetry and cooperative properties
    P Ayyub, V R Palkar, S Chattopadhyay and M S Multani
    Physical Review B 51 (1995) 6135
  • Integration of porous silicon with CVD diamond
    A A Kulkarni, P Karve, S V Bhoraskar, S B Ogale, S M Kanetkar, P Ayyub and S C Purandare
    J. Physics D: Applied Physics 28 (1995) 1400
  • Preparation of nanoparticles of silver halides, superconductors and magnetic materials using water-in-oil microemulsions as nano-reactors
    V Pillai, P Kumar, M J Hou, P Ayyub and D O Shah
    Adv. Colloid Interface Science 55 (1995) 241
  • Preparation of ultrafine high density alpha-Fe2O3 using AOT microemulsion
    V Chhabra, M Lal, A N Maitra and P Ayyub
    Colloid & Polymer Science 273 (1995) 939
  • Nanophase BaFe12O19 synthesized from a non-aqueous microemulsion with Ba- and Fe- containing surfactants
    V Chhabra, M Lal, A N Maitra and P Ayyub
    J. Materials Research 10 (1995) 2689
  • Evidence for the presence of remnant strain in grey-tracked KTiOPO4
    M N Satyanarayanan, H L Bhat, M R Srinivasan, P Ayyub and M S Multani
    Applied Physics Lett. 67 (1995) 2810
  • Size-induced diffuse phase transition in nanocrystalline ferroelectric PbTiO3
    S Chattopadhyay, P Ayyub, V R Palkar and M S Multani
    Physical Review B 52 (1995) 13177

1994

  • New techniques for the preparation of nanophase particles (invited review)
    P Ayyub and M S Multani
    Indian J. Pure & Applied Physics 32 (1994) 611

1993

  • Suppression of superconductivity in submicron La1.85Sr0.15CuO4
    V R Palkar, P Ayyub, D R Nepali and M S Multani
    Zeitschrifts fur Physik D 26 (1993) S234
  • Diamond nucleation at the organic liquid-metal interface by laser-induced reactive quenching
    A K Sharma, R D Vispute, D S Joag, S B Ogale, S D Joag, P Ayyub, M Multani, G K Dey and S Banerjee
    Materials Letters 17 (1993) 42
  • Microstructure of the CTAB-butanol-octane-water microemulsion system: Effect of dissolved salts
    P Ayyub, A N Maitra and D O Shah
    J. Chemical Soc.: Faraday Transactions 89 (1993) 3585
  • Nucleation of ultrafine particles during irreversible solid-solid phase transformation in oxides
    V R Palkar, S S Rao, S Chattopadhyay, P Ayyub and M S Multani
    J. Physics D: Applied Physics 26 (1993) 2061

1992

  • Origin of luminescence in Porous Silicon
    S Banerjee, K L Narsimhan, P Ayyub, A K Srivastava and A Sardesai
    Solid State Commun. 84 (1992) 691

1991

  • Secondary recrystallization during sintering of YBa2Cu3O7-δ derived from water-in-oil microemulsion
    P Ayyub and M S Multani
    Materials Letters 10 (1991) 431.
  • O implantation in ZnSe: lattice distortion by Raman measurement
    A Deneuville, C H Park, P Ayyub, T Anderson, P Lowen, K Jones and P H Holloway
    Applied Surface Science 50 (1991) 308
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