Papers in refereed journals LIST
OF PUBLICATIONS (1990-1999)
In
Journals
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R. Pinto, S.P. Pai, P.R. Apte
and B.K. Sarkar, "Microwave Surface Resistance of Superconducting YBa2Cu3O7-dThin
Films", IETE Journal of Research, Vol. 45, (1999), 229-232
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D. Kumar, K.M. Satyalakshmi, M.S. Hegde,
R.K. Singh, P.R. Apte, R. Pinto and Clinton B Lee, "Zero-bias conductance
and energy gap measurements in LaNiO3- YBa2Cu3O7-djunctions",
Supercond. Sci.Technol. 11 (1998) 1.
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V.R.Palkar, S.C.Purandare, P.R.Apte,
R.Pinto and M.S.Multani, "PbTiO3 thin films on Si (100) as potential
varistor material ", Appl. Phys. Lett., 71(25) 3637 (1997).
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S.P. Pai, J. Jesudasan, P.R. Apte,
R. Pinto, J. Kurian, P.K. Sajith, J. James and J. Koshy, "Epitaxial YBa2Cu3O7-d-Ag
thin films (Jc = 6 X 106 A/cm2) on epitaxial
films of Ba2LaNbO6, a new perovskite substrate, by
pulsed laser ablation", Physica C 290 (1997) 105.
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S.P. Pai, J. Jesudasan, P.R. Apte,
R. Pinto, J. Kurian, P.K. Sajith, J. James and J. Koshy, "YBa2Cu3O7-dfilms
with high critical current density on epitaxial films of Ba2LaNbO6,
a new perovskite substrate for YBa2Cu3O7-dsuperconductor",
Europhys. Lett. 39 (1997) 669.
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V.R. Palkar, S.C. Purandare, N. Poonawala,
P.R.
Apte, R. Pinto and M.S. Multani, "Aqueous sol derived ferroelectric
thin films of PbTiO3 directly on Si (100) substrate", Mater.
Res. Bull. 32 (1997) 515.
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V.R. Palkar, S.C. Purandare, S.P. Pai,
S. Chattopadhyay, P.R. Apte, R. Pinto and M.S. Multani, "c-axis
oriented ferroelectric thin films of PbTiO3 on silicon by pulsed
laser ablation", Appl. Phys. Lett.68 (1996)1582.
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R. Pinto, D. Kaur, M.S.R. Rao, P.R.
Apte, V.V. Srinivasu and R. Vijayaraghavan, "Microstructural dependence
of penetration depth of Ag-doped YBa2Cu3O7-dthin
films probed by atomic force microscopy", Appl. Phys. Lett. 68 (1996) 1720.
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R. Pinto, P.R. Apte, M.S.R.
Rao, R. Chandra, C.P. D’Souza, S.P. Pai, L.C. Gupta, R. Vijayaraghavan,
K.I. Gnanasekar and M. Sharon "Superconductivity and transport behavior
of laser ablated Au-added YBa2Cu3O7-dthin
films", Appl. Phys. Lett. 68 (1996) 1006.
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D. Kumar, K.M. Satyalakshmi, S.S. Manoharan,
M.S. Hegde, P.R. Apte, R. Pinto, S.P. Pai and S.C. Purandare, "Silver
doping: a potential means to grow high quality YBa2Cu3O7-dthin
films on bare sapphire", J. Supercond. 9 (1996).
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D. Kumar, P.R. Apte, R. Pinto,
S.P. Pai, S.C. Purandare and R. Vijayaraghavan, "Geometrical model and
experimental evidence for the growth of Ag-doped YBa2Cu3O7-dthin
films", J. Supercond. 9 (1996) 1.
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M.S.R. Rao, C.P. D’Souza, P.R. Apte,
R. Pinto and L.C. Gupta, "Microstructural study of yttria stabilized zirconia
buffered sapphire for YBa2Cu3O7-dthin
films", J. Appl. Phys. 79 (1996) 940.
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D. Kumar, K.M. Satyalakshmi, M.S. Hegde,
P.R.
Apte and R. Pinto, "LaNiO3: A promising material for contact
with YBa2Cu3O7-dthin
films", IEEE Trans. Appl. Supercond. 5 (1995) 3498.
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R. Pinto, P.R. Apte, K.P. Adhi,
S.B. Ogale, D. Kumar and M.S. Hegde, "Optical spectroscopy study of role
of Ag in laser ablated YBa2Cu3O7-dthin
films", J.Appl.Phys.78 (1995) 5204.
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K. Easwar, B.K. Sarkar, R. Pinto and
P.R.
Apte, "High Q, Ag-doped 123 resonator on unbuffered sapphire substrate",
Electron. Lett. 31 (1995) 374.
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K.I. Gnanasekar, R. Pinto, A.S. Tamhane,
L.C. Gupta, S.P. Pai, P.R. Apte, M. Sharon and R. Vijayaraghavan,
"Structural stability of LuBa2Cu3O7-dand
superconductivity in thin films of Lu1-xMx Ba2Cu3O7-d(M
= Pr, Tb, Ce)", Phys. Rev. B 52 (1995) 1362.
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D. Kumar, P.R. Apte and R. Pinto,
"Two dimensional growth model for laser ablated Ag-doped YBa2Cu3O7-dthin
films", J. Appl. Phys. 77 (1995) 5802.
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R. Pinto, P.R. Apte, M.S. Hegde
and Dhananjay Kumar, "Surface resistance and residual losses of Ag-doped
YBa2Cu3O7-dthin
films on sapphire", J. Appl. Phys. 77 (1995) 4116.
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M.S.R. Rao, R. Pinto, S.C. Purandare,
P.R.
Apte, L.C. Gupta, R. Vijayaraghavan, B.S. Datar and V.S. Shirodkar,
"Growth and microstructural study of TmBa2Cu3O7-dthin
films on LaAlO3", Supercond. Sci. Technol. 8 (1995) 108.
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R. Pinto, D. Kumar, S.P. Pai and P.R.
Apte, "Ag-doping effects on microwave surface resistance of superconducting
YBa2Cu3O7-d",
Ind. J. Cryogen. 18 (1994) 35.
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D. Kumar, M. Sharon, P.R. Apte,
R. Pinto, S.P. Pai, S.C. Purandare, C.P. D’Souza, L.C. Gupta and R. Vijayaraghavan,
"Silver doping and its influence on the oxygenation during insitu growth
of YBa2Cu3O7-dthin
films", J. Appl. Phys. 76 (1994) 1349.
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D. Kumar, P.R. Apte, R. Pinto,
M. Sharon and L.C. Gupta, "Aging effects and passivation studies on undoped
and Ag-doped YBa2Cu3O7-dlaser
ablated thin films", J. Electrochem. Soc. 141 (1994) 1611.
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P.R. Apte, R. Pinto, A.G. Chourey
and S.P. Pai, "Surface resistance, residual losses, and granularity in
Ag-doped YBa2Cu3O7-dthin
films", J. Appl. Phys. 75 (1994) 4258
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R. Pinto, A.G. Chourey and P.R.
Apte, "Effective surface resistance of LuBa2Cu3O7-dthin
films", Appl. Phys. Lett. 64 (1994) 2166.
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R. Pinto, D. Kumar, S.P. Pai, A.G.
Chourey and P.R. Apte," Oxygen order, structure and superconductivity
in YBa2Cu3O7-dfilms
during insitu formation", Supercond. Sci. Technol. 7 (1994) 95.
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A.G. Chourey, V.S. Shirodkar, C.P.
D’Souza, P.R. Apte and R. Pinto, "Superconducting transport properties
of YBa2Cu3O7-dfilms
grown by hollow cathode magnetron sputtering", Mater. Lett. 17 (1993) 9.
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S.P. Pai, R. Pinto, P.R. Apte,
C.P. D’Souza, A.G. Chourey and D. Kumar, "Oxygen incorporation during insitu
growth of YBCO films on both sides of substrates", Bull. Mater. Sci. 16
(1993) 685.
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B.K. Sarkar, K. Easwar, R. Pinto and
P.R.
Apte, "Unique multi-parameter dependence considerations for passive
HTSC microstrip devices", IETE Tech. Rev. 10 (1993) 355.
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R. Pinto, P.R. Apte, S.P. Pai
and Dhananjay Kumar, "Role of Ag in laser ablated YBa2Cu3O7-dthin
films: evidence for grain enlargement and alignment", Physica C 207 (1993)
13.
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Dhananjay Kumar, M. Sharon, R.Pinto,
P.R.
Apte, S.P. Pai, S.C. Purandare, L.C. Gupta and R. Vijayaraghavan, "Large
critical currents and improved epitaxy of laser ablated Ag-doped YBa2Cu3O7-dthin
films", Appl. Phys. Lett. 62 (1993) 3522.
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K. Easwar, B.K. Sarkar, R. Pinto and
P.R.
Apte "High Q-factor low dielectric loss inverted microstrip YBa2Cu3O7-dresonator
for accurate RS characterization", Microwave Opt. Technol. Lett.
6 (1993) 281.
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R. Pinto, Navdeep Goyal, S.P. Pai,
P.R.
Apte, L.C. Gupta, R. Vijayaraghavan, "Improved microwave performance
of Ag-doped YBa2Cu3O7-dthin
film microstrip resonators", J. Appl. Phys. 73 (1993) 5105.
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R. Pinto, P.R. Apte, Navdeep
Goyal, L.C. Gupta, R. Vijayaraghavan, K. Easwar and B.K. Sarkar, "Power
and temperature dependence of Q-factor of a double sided thin film YBa2Cu3O7-dmicrostrip
resonator", Appl. Supercond. 1 (1993) 1.
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R. Pinto, Ravikumar, Navdeep Goyal,
P.R.
Apte, S.P. Pai and S.K. Malik, "Non-linear response of YBa2Cu3O7-dthin
film microstrip resonator at microwave frequencies", Solid St. Commun.
84 (1992) 1107.
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R. Pinto, S.P. Pai, A.S. Timhane, P.R.
Apte, L.C. Gupta, R. Vijayaraghavan, K.I. Gnanasekar and H.V. Keer,
"Superconductivity at 86K in LuBa2Cu3O7-dthin
films", Phys. Rev. B46 (1992) 14242.
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Ravikumar, S.K. Malik, S.P. Pai, P.R.
Apte, R. Pinto, R. Vijayaraghavan and Dhananjay Kumar, "Self-field-induced
flux creep in YBa2Cu3O7-dthin
films", Phys. Rev. B46 (1992) 5766.
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P.R. Apte, D.Kumar, R. Pinto,
M. Sharon, L.C. Gupta and R. Vijayaraghavan "A new contact conductance
measurement technique for metal-HTSC film contact", IEEE Trans. Appl. Supercond.
2 (1992) 176.
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R. Pinto, P.R. Apte, L.C. Gupta,
R. Vijayaraghavan, K. Easwar and B.K. Sarkar, "Microstrip resonator using
sputtered YBa2Cu3O7-dfilm
on <100> MgO", Supercond. Sci. Technol. 4 (1991) 577.
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P. W. Barth, P. R. Apte and
J. B. Angell "The MISIM-FET in Thin, Semiconductor Layers : Depletion Approximation
Model of I-V, Characteristics", IEEE Trans. Electron Devices, ED-30, (1983),
1717-1726
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S. Chandrasekhar, P. R. Apte
and S. K. Roy "Transistors made, in Laser Recrystallized Polysilicon on
Insulator films", Bulletin Material Science, Vol 8, (1986), 391-396
Go back to Apte's
web-page http://www.ee.iitb.ac.in/~apte