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1995 - 1994 - 1993 - 1992 - 1991

1995

  • D. D. Sarma, N. Shanthi, S. R. Barman, N. Hamada, H. Sawada, and K. Terakura,
    Band theory for ground state properties and excitation spectra of perovskite LaMO{3} (M=Mn, Fe, Co, Ni),
    Phys. Rev. Lett. 75, 1126 (1995).

  • D. D. Sarma and S. R. Barman,
    Electronic structure of transition metal compounds,
    Solid State Science Vol. 119 `Spectroscopy of Mott Insulators and Correlated Metals', Eds. Y. Tokura and A. Fujimori, Springer Verlag 1995, pp. 126.

  • R. Mahendiran, A. K. Raychaudhuri, A. Chainani and D. D. Sarma,
    Large magnetoresistance in La{1-x}Sr{x}MnO{3} and its dependence on magnetization,
    Appl. Phys. Lett. 66, 233 (1995).

  • Shubha Gokhale, S. R. Barman and D. D. Sarma,
    Dielectric function and optical conductivity of TiO{x} (0.8 < x < 1.3) determined from electron energy loss spectroscopy,
    Phys. Rev. B 52, 14526 (1995).

  • S. R. Barman and D. D. Sarma,
    Electronic structures of gallium and indium across the solid--liquid transition,
    Phys. Rev. B 51, 4007 (1995).

  • R. Mahendiran, A. K. Raychaudhuri, A. Chainani and D. D. Sarma,
    Large magnetoresistance of La{1-x}Sr{x}CoO{3} at low temperatures,
    J. Phys. (Condensed Matter) 7, L561 (1995).

  • R. Mahendiran, A. K. Raychaudhuri, A. Chainani and D. D. Sarma,
    Low temperature linear magnetic field sensor based on magnetoresistance of the perovskite oxide La{1-x}Sr{x}CoO{3},
    Rev. Sci. Instrum. 66, 3071 (1995).

  • D. D. Sarma,
    Metal-Insulator transition in 3d transition metal perovskite oxides investigated by high-energy spectroscopies,
    The Metal-Nonmetal Transition Revisited, Eds. C. N. R. Rao and P. P. Edwards, Francis-Taylor London, 1995, pp. 143.

  • D. D. Sarma, N. Shanthi, S. R. Barman, and P. Mahadevan,
    Electronic structure and metal--insulator transition in LnNiO{3} (Ln=La, Pr, Nd, Sm and Ho),
    in Perspectives in Solid State Chemistry, Ed. K.J. Rao, Narosa - New Delhi 1995, pp. 285.

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1995 - 1994 - 1993 - 1992 - 1991

1994

  • S. R. Barman, A. Chainani and D. D. Sarma,
    Covalency driven unusual metal-insulator transition in nickelates,
    Phys. Rev. B 49, 8475 (1994).

  • S. R. Barman and D. D. Sarma,
    Photoelectron spectroscopic investigation of the spin-state transition in LaCoO{3},
    Phys. Rev. B 49, 13979 (1994).

  • S. R. Barman and D. D. Sarma,
    Electronic structure of TiO{x} (0.8 < x < 1.3) with disordered and ordered vacancies,
    Phys. Rev. B 49, 16141 (1994).

  • D. D. Sarma, O. Rader, T. Kachel, A. Chainani, M. Mathew, K. Holldack, W. Gudat, and W. Eberhardt,
    Contrasting behaviour of homovalent substituted and hole doped systems : O K-edge spectra from LaNi{1-x}M{x}O{3} (M=Mn, Fe and Co) and La{1-x}Sr{x}MnO{3},
    Phys. Rev. B 49, 14238 (1994).

  • D. D. Sarma, N. Shanthi and P. Mahadevan,
    Electronic structure and metal-insulator transition in LnNiO{3} (Ln=La, Pr, Nd, Sm and Ho) : Band structure results,
    J. Phys. Condens. Matter 6, 10467 (1994).

  • D. D. Sarma and A. Chainani,
    Electronic structure of perovskite oxides, LaMO{3} (M=Ti-Ni) using high-energy spectroscopies,
    J. Solid State Chem. 111, 208 (1994).

  • D. D. Sarma, N. Shanthi and Priya Mahadevan,
    Electronic structure of 3d transition metal perovskites, LaMO{3} from band structure calculations,
    Physica C 235-240, 2115 (1994).
  • D. D. Sarma, A. K. Santra and C. N. R. Rao,
    Electronic structures of perovskite oxides of transition metals of the type LaMO{3} (M = Ti-Ni) as revealed by MSX investigations,
    J. Solid State Chem. 110, 393 (1994).

  • Seva Nimkar, N. Shanthi, and D. D. Sarma,
    Origin of the insulating state in NaCuO{2},
    Proc. Ind. Acad. Sci. - Chem. Sci. 106, 393 (1994).

  • D. D. Sarma, S. Krummacher, W. Gudat, C. L. Lin, L. W. Zhou, J.E. Crow and D.D. Koelling,
    Resonant photoemission studies of the magnetic-nonmagnetic U(Sn,In)3 system,
    Physica B 199\&200, 622 (1994).

  • A. S. Arico, V. Antonucci, N. Giordano, A. K. Shukla, M. K. Ravikumar, A. Roy, S. R. Barman and D. D. Sarma,
    Methanol oxidation on carbon-supported Pt-Sn electrodes in sulphuric acid,
    J. Power Sources 50, 295 (1994).

  • A. K. Shukla, M. K. Ravikumar, A. Roy, S. R. Barman, D. D. Sarma, A. S. Arico, V. Antonucci, L. Pino and N. Giordano,
    Electrooxidation of Methanol in Sulphuric acid Electrolyte on Platinized-Carbon electrodes with varying functional-group characteristics,
    J. Electrochem. Soc. 141, 1517 (1994).

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1995 - 1994 - 1993 - 1992 - 1991

1993

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1995 - 1994 - 1993 - 1992 - 1991

1992

  • A. Chainani, M. Mathew and D. D. Sarma,
    Electron spectroscopy study of the semiconductor-metal transition in La{1-x}Sr{x}CoO{3},
    Phys. Rev. B 46, 9976 (1992).

  • D. D. Sarma, A. Chainani, R. Cimino, P. Sen, C. Carbone, M. Mathew and W. Gudat,
    Electronic structure of and the metal-insulator transition in
    La{1-x}Sr{x}CoO{3}�: A soft x-ray absorption study,
    Europhys. Lett., 19, 513 (1992).

  • A. Roy, A. Chainani, D. D. Sarma and A.K. Sood,
    Photoemission study of porous silicon,
    Appl. Phys. Lett. 61, 1655 (1992).

  • S. R. Barman and D. D. Sarma,
    Investigation of the L3-M45M45 Auger spectra of Cu, Cu{2}O and CuO,
    J. Phys. : Cond. Matter, 4, 7607 (1992).

  • C. N. R. Rao, A. K. Santra and D. D. Sarma,
    Comment on variation of Cu-O charge-transfer energies in
    YBa{2}Cu{3}O{7-x} thin films studied by photoemission spectroscopy,
    Phys. Rev. B 45, 10814 (1992).

  • D. D. Sarma, S. R. Barman, Seva Nimkar and H. R. Krishnamurthy,
    Resolution of the negative U problem in the early transition metals : A reinterpretation of the LVV Auger spectra,
    Phys. Scr. T41, 184 (1992).

  • D. D. Sarma, H. R. Krishnamurthy, Seva Nimkar, P. P. Mitra, S. Ramasesha and T. V. Ramakrishnan,
    Electronic structure of the high Tc cuprate superconductors and related compounds,
    Pramana - J. Phys. 38, L531 (1992).

  • V. Vijayakrishnan, A. Chainani, D. D. Sarma and C. N. R. Rao,
    Metal-insulator transition in metal clusters : A high-energy spectroscopy study of Pd, Ni and Ag clusters,
    J. Phys. Chem. 96, 8679 (1992).

  • A. Roy, D. D. Sarma and A. K. Sood,
    Spectroscopic studies on quantum dots of PbI{2},
    Spectrochim. Acta 48A, 1779 (1992).

  • D. D. Sarma, R. Cimino, C. Carbone, P. Sen, S. R. Barman and W. Gudat,
    Synchrotron study of the dynamical effects in the LVV Auger transitions in the first-row transition elements,
    Phys. Scr. T41, 187 (1992).

  • C. N. R. Rao, K. J. Rao, S. Ramasesha, D. D. Sarma and S. Yashonath,
    Physical chemistry of solids,
    Ann. Rep. Prog. Chem. Sec.C : Phys. Chem., 179-234 (1992)

  • D. D. Sarma,
    Electronic structure studies of high-Tc cuprates by photoelectron spectroscopy, in ``Superconductivity (New insights and current trends in high-T{c} superconductors)'',
    Eds. S. Gregoli, B. Raveau and C.N.R. Rao, 1992, Commission of the European Communities, pp. 33.

  • C. N. R. Rao and D. D. Sarma,
    Dependence of the superconductivity of the layered cuprates on the Cu-O charge-transfer energy and related chemical bonding parameters, in ``Studies in High-Temperature Superconductors'',
    Vol. 10, Nova Sciene Publishers, New York.

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1995 - 1994 - 1993 - 1992 - 1991

1991

  • D. D. Sarma,
    Investigation of the electronic structure of the high temperature cuprate superconductors using high-energy spectroscopies,
    in ``Chemistry of high temperature superconductors'', Ed. C.N.R. Rao, (World Scientific, Singapore) pp. 348 (1991).

  • D. D. Sarma, W. Speier and J.F. van Acker,
    Comment on X-ray-photoelectron diffraction from a free-electron-valence band : Evidence for hole-state localization,
    Phys. Rev. Lett. 66, 2834 (1991).

  • D. D. Sarma, C. Carbone, P. Sen, R. Cimino, and W. Gudat,
    Reply to the commment on origin of Cu and Zn L2- and L3-M45M45 Auger satellites : Breakdown of the sudden approximation,
    Phys. Rev. Lett. 66, 967 (1991).

  • D. D. Sarma, P. Sen, R. Cimino, C. Carbone, W. Gudat, E.V. Sampathkumaran and I. Das,
    Origin of nonmetallicity in PrBa{2}Cu{3}O{7} from a study of Gd{1-x}Pr{x}Ba{2}Cu{3}O{7} using soft x-ray absorption at the oxygen K-edge,
    Solid State Commun. 77, 377 (1991).

  • D. D. Sarma, P. Sen, C. Carbone and W. Gudat,
    Spectroscopic evidence for the removal of mobile holes on Fe doping in YBa{2}Cu{3-x}Fe{x}O{7},
    Solid State Commun. 77, 381 (1991).

  • A. K. Santra, D. D. Sarma and C. N. R. Rao,
    Relation between the electronic structure and the superconductivity of cuprates as revealed by Cu(2p) photoemission and theoretical investigations,
    Phys. Rev. B 43, 5612 (1991).

  • C. N. R. Rao, S. Ramasesha, D. D. Sarma and A. K. Santra,
    Dominant role of the Cu-O charge-transfer energy, electronic polarizability and associated factors in the superconductivity of the cuprates,
    Solid State Commun. 77, 709 (1991).

  • C. N. R. Rao, V. Vijayakrishnan, D. D. Sarma and A. Chainani,
    Investigations of transition metal clusters deposited on solid substrates by photoelectron spectroscopy, bremsstrahlung isochromat spectroscopy and related techniques,
    Faraday Discuss. Chem. Soc. 92, 147 (1991)

  • A. Chainani and D. D. Sarma,
    Calculated oxygen 1s core-level photoemission spectra from cuprate superconductors,
    Pramana - J. Phys. 37, 135 (1991).

  • D. D. Sarma,
    Evaluation of electron-electron interaction energies from first principle calculations,
    Rev. Solid State Sci. 5 461 (1991) and in ``Quantum mechanical cluster calculations in solid state studies'', Eds. R.W. Grimes, C.R.A. Catlow and A.L. Shluger, (World Scientific, Singapore), pp. 401 (1992).

  • D. D. Sarma,
    Effects of interfaces on properties of high-temperature superconducting cuprates,
    in ``Science of Ceramic Interfaces'', Ed. J. Nowotny, Elsevier Science Publisher, 1991, pp.371.
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