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2005 - 2004 - 2003 - 2002 - 2001

2005

  • I. Chaitanya Lekshmi, A. Gayen, D. D. Sarma, M.S. Hegde, S.P. Chokalingam and N. Chandrasekhar,
    Fabrication of cerium-doped LaNiO{3} thin films on LaAlO{3} (100) substrate by pulsed laser deposition,
    J. Appl. Phys. 98, 093527 (2005).

  • R. Viswanatha and D. D. Sarma,
    Study of growth of capped ZnO nanocrystals: a route to rational synthesis,
    Chemistry - A European Journal 12, 180 (2005).

  • S. Raj, D. Hashimoto, H. Matsui, S. Souma, T. Sato, T. Takahashi, S. Ray, A. Chakraborty, D. D. Sarma, P. Mahadevan, W. H. McCarroll, M.Greenblatt,
    Angle-resolved photoemission spectroscopy on the metallic sodium tungsten bronzes Na{x}WO{3},
    Phys. Rev. B 72, 125125 (2005).

  • C. Monesi, C. Meneghini, F. Bardelli, M. Benfatto, S. Mobilio, U. Manju, and D. D. Sarma,
    Quantitative structural refinement of Mn K edge XANES in LaMnO{3} and CaMnO{3} perovskites,
    Proceedings of EMRS, 246, 158, 2006.
  • F. Liscio, F. Bardelli, C. Meneghini, S. Mobilio, Sugata Ray, D. D. Sarma,
    Local structure and magnetotransport in Sr{2}FeMoO{6} oxides,
    Proceedings of EMRS , 246,189,2006

  • C. Monesi, C. Meneghini1, F. Bardelli, M. Benfatto, S. Mobilio, U. Manju and D. D. Sarma,
    Local structure in LaMnO{3} and CaMnO{3} perovskites: A quantitative structural refinement of Mn K -edge XANES data,
    Phys. Rev. B 72, 174104 (2005).

  • C. Grazioli, D. Alf, S.R. Krishnakumar, S. Sen Gupta, M. Veronese, S. Turchini, N. Bonini, A. Dal Corso, D. D. Sarma, S. Baroni and C. Carbone,
    Spin-flop ordering from frustrated ferro- and antiferromagnetic interactions: A combined theoretical and experimental study of a Mn/Fe(100) monolayer,
    Phys. Rev. Lett. 95, 117201 (2005).

  • T. Saitoh, H. Iwasawa, H. Kato, Y. Tokura, N. Hamada and D. D. Sarma,
    Strong electron correlation of Re 5d electrons in Ca{2}FeReO{6} ,
    J. Electron Spectrosc. Relat. Phenom. 144, 337 (2005).

  • D. Chaudhuri, S. Datar, R. Viswanatha, D. D. Sarma, and H. Amenitsch,
    Self-organization of polyaniline nanorods: Towards achieving a higher conductivity,
    Appl. Phys. Lett. 87, 093117 (2005).
  • Sameer Sapra and D. D. Sarma,
    Simultaneous control of nanocrystal size and nanocrystal-nanocrystal separation in CdS nanocrystal assembly
    Pramana 65, 565 (2005).

  • Ranjani Viswanatha, Sameer Sapra, Tanusri Saha-Dasgupta and D. D. Sarma,
    Electronic structure of and quantum size effect in III-V and II-VI semiconducting nanocrystals using a realistic tight-binding approach,
    Phys. Rev. B 72, 045333 (2005).

  • D. D. Sarma, Ranjani Viswanatha, Sameer Sapra, Ankita Prakash and M. Garca-Hernndez,
    Magnetic Properties of Doped II-VI Nanocrystals,
    J. Nanosci. Nanotech. 5, 1503 (2005).

  • S. Sapra, A. Prakash, A. Ghangrekar, N. Periasamy and D. D. Sarma,
    Emission properties of Mn doped ZnS nanocrystals,
    J. Phys. Chem. B 109, 1663 (2005).

  • H. Iwasawa, T. Saitoh, Y. Yamashita, D. Ishii, H. Kato, N. Hamada, Y. Tokura, and D. D. Sarma,
    Strong correlation effects of the Re 5d electrons on the metal-insulator transition in Ca{2}FeReO{6},
    Phys. Rev. B  71, 075106 (2005)

  • K. Takubo, T. Mizokawa, S. Hirata, J.-Y. Son, A. Fujimori, D. Topwal, D. D. Sarma, S. Rayaprol and E.-V. Sampathkumaran,
    Electronic structure of Ca{3}CoXO{6}(X = Co, Rh, Ir) studied by x-ray photoemission spectroscopy,
    Phys. Rev. B  71, 073406 (2005).

  • S. Sapra, R. Viswanatha and D. D. Sarma,
    Electronic Structure of Semiconductor Nanocrystals: An Accurate Tight-Binding Description,
    Int. J. Nanosci. 4, 893 (2005).

  • K. Maiti, Manju Unnikrishnan, I.H. Inoue and D.D. Sarma,
    Electronic structure of early transition metal oxides,
    Ca{1-x}Sr{x}VO{3} and La{1-x}Ca{x}VO{3}: What can we learn from photoelectron spectroscopy,
    Thin Solid Films  486, 162 (2005).

  • S. Ray and D. D. Sarma,
    An Interesting Magnetoresistive System: Sr{2}FeMoO{6},
    Solid State Physics (India) - Proceedings of the DAE Symposium (2003), Volume 46, page 929, 2005 and cond-mat/0411400.

  • F. Bardelli, C. Meneghini, S. Mobilio, S. Ray and D. D. Sarma
    Local structure of Sr{2}FeMo{x}W{1-x}O{6} double perovskites studied by EXAFS,
    Phys. Scr. T115, 457 (2005)

  • S. Ray and D. D. Sarma,
    Sr{2}FeMoO{6}: A prototype to understand a new class of magnetic materials,
    Hyperfine Interactions 160, 67 (2005).

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2005 - 2004 - 2003 - 2002 - 2001

2004

  • K. Maiti, A. Kumar, D.D. Sarma,E. Weschke and G. Kaindl,
    Surface and bulk electronic structure of La{1-x}Ca{x}VO{3},
    Phys. Rev. B  70, 195112 (2004).

  • P. Mahadevan, A. Zunger and D. D. Sarma,
    Unusual directional dependence of exchange energies in GaAs:Mn - Is the RKKY limit relevant,
    Phys. Rev. Lett. 93, 177201 (2004)

  • D. D. Sarma, Dinesh Topwal, Manju U., S. R. Krishnakumar, M. Bertolo, S. La Rosa, G. Cautero, T. Y. Koo, P. A. Sharma, S-W. Cheong and A. Fujimori,
    Direct observation of large electronic domains with memory effect in doped manganites,
    Phys. Rev. Lett.  93, 097202 (2004).

  • Ranjani Viswanatha, Sameer Sapra, Subhra Sen Gupta, B. Satpati, P. V. Satyam, B. N. Dev and D. D. Sarma,
    Synthesis and Characterization of Mn doped ZnO Nanocrystals,
    J. Phys. Chem. B 108, 6303 (2004).

  • J. Okabayashi, K. Ono, M. Mizuguchi, M. Oshima, S. Sen Gupta, D. D. Sarma, T. Mizokawa, A. Fujimori, M. Yuri, C.T. Chen, T. Fukumura, M. Kawasaki and H. Koinuma,
    X-ray absorption spectroscopy of transition-metal doped oxide diluted magnetic semiconductors Zn{1-x}M{x}O,
    J. Appl. Phys. 95, 3573 (2004).

  • Sameer Sapra and D. D. Sarma,
    Evolution of the electronic structure with size in II-VI semiconductor nanocrystals,
    Phys. Rev. B 69, 125304 (2004).

  • Ranjani Viswanatha, Sameer Sapra, B. Satpati, P. V. Satyam, B. N. Dev and D. D. Sarma,
    Understanding the quantum size effects in ZnO nanocrystals,
    J. Materials Chem. 14, 661 (2004).

  • S. Raj and D. D. Sarma,
    Optimization of a low energy, high brightness electron gun for inverse photoemission spectrometers,
    Rev. Sci. Instr. 75, 1020 (2004).

  • J. Nanda, S. Sapra and D. D. Sarma,
    Photoelectron Spectroscopy of Semiconducting Nanostructued Materials,
    Encyclopedia of Nanoscience and Nanotechnology,
    Ed. H.S. Nalwa, Vol.10, pp.711-724, (2004).

  • S. Sapra, J. Nanda and D. D. Sarma,
    Electronic Structure Studies in Semiconducting Nanoparticles,
    Encyclopedia of Nanoscience and Nanotechnology, Ed. H.S. Nalwa, Vol.3, pp.181-192, (2004).

  • S. Sapra and D. D. Sarma,
    Electronic Structure and Spectroscopy of Semiconductor Nanocrystals in Chemistry of Nanomaterials, Properties and Applications, Wiley-VCH, Eds: C. N. R. Rao, A. Muller, A. K. Cheetham, Weinheim pp 371-404 (2004)

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2005 - 2004 - 2003 - 2002 - 2001

2003

  • J. B. Philipp, P. Majewski, L. Alff, A. Erb, R. Gross, T. Graf, M. S. Brandt, J. Simon, T. Walther, W. Mader, D. Topwal and D. D. Sarma,
    Structural and doping effects in the half-metallic double perovskite A{2}CrWO{6}, (A = Sr, Ba, and Ca)
    Phys. Rev. B 68, 144431(2003).

  • S. R. Krishnakumar and D. D. Sarma,
    X-ray photoemission study of NiS{2-x}Se{x}(x=0.0-1.2),
    Phys. Rev. B. 68, 155110 (2003).

  • Y. Ishida, D. D. Sarma, K. Okazaki, J. Okabayashi, J. I. Hwang, H. Ott, A. Fujimori, G. A. Medvedkin, T. Ishibashi, and K. Sato,
    In situ photoemission study of the room-temperature ferromagnet ZnGeP{2}:Mn.,
    Phys. Rev. Lett. 91 , 107202 (2003).

  • Debangshu Chaudhuri, Prashanth W. Menezes, and D. D. Sarma,
    Remarkable thermal stability of BF{3}-doped polyaniline,
    Appl. Phys. Lett. 83 , 2348 (2003).

  • P. Postorino, A. Congeduti, P. Dore, A. Sacchetti, F. Gorelli, L. Ulivi, A. Kumar and D. D. Sarma,
    Pressure-tuning of the electron-phonon coupling: the insulator to metal transition in manganites,
    Phys. Rev. Lett. 91 , 175501 (2003).

  • Manju U., S. R. Krishnakumar, S. Ray, S. Raj, M. Onoda, C. Carbone and D. D. Sarma,
    Electron spectroscopic investigation of metal-insulator transition in Ce{1-x}Sr{x}TiO{3}
    Proc. Ind. Acad. Sci. Chem. Sci. Ser. 115 , Nos 5 & 6, 499 (2003).

  • S. Sapra, R. Viswanatha and D. D. Sarma,
    An accurate description of quantum size effects in InP nanocrystallines over a wide range of sizes,
    J. Phys. D: Appl. Phy. 36 , 1595 (2003).

  • K. Sato, G. A. Medvedkin, T. Ishibashi, S. Mitani, K. Takanashi, Y. Ishida, D. D. Sarma, J. Okabayashi, A. Fujimori, T. Kamatani, H. Akai,
    Novel Mn-doped Chalcopyrites (INVITED). 13th Int. Conf. on Ternary and Multinary Compounds - ICTMCI3, Oct. 14-18, 2002, Paris France, Abst. 02-3;
    J. Phys. Chem. Solids 64, 1461 (2003).

  • F. Bardelli, C. Meneghini, S. Mobilio, S. Ray and D. D. Sarma,
    Local structure of Sr{2}FeMo{1-x}W{x}O{6} double perovskites studied by EXAFS,
    Phys. Scr.2005,457

  • S. Sapra, J. Nanda, A. Anand, S. V. Bhat and D. D. Sarma,
    Optical and Magnetic Properties of Manganese doped Zinc Sulfide Nanoclusters,
    Journal of Nanosci. Nanotechnol. 3, 392(2003).

  • S. Sapra, R. Viswanatha, J. Nanda and D. D. Sarma,
    Optical Properties of Mn doped zinc sulfide and zinc oxide nanoclusters,
    Recent Advances in Inorganic Materials, Ed. D. Bahadur, Narosa Publishers, pp 452-457, (2003).

  • S. Sapra, J. Nanda and D. D. Sarma,
    Semiconducting Nanoparticles,
    Proc. of the Plenary 90th Session of Indian Science Congress, pages 3.4-3.30, January 2003, Bangalore.

  • D. Chaudhuri, A. Kumar, D. D. Sarma, M. Garca-Hernndez, J. Joshi and S. V. Bhat,
    Magnetic study of an amorphous conducting polyaniline,
    Appl. Phys. Lett. 82 , 1733 (2003).

  • S. Ray, P. Mahadevan, A. Kumar, D. D. Sarma, R. Cimino, M Pedio, L. Ferrari and A. Pesci,
    Strong correlation effects in the electronic structure of Sr{2}FeMoO{6},
    Phys. Rev. B. 67, 085109 (2003).

  • D. D. Sarma, S.R. Krishnakumar, E. Weschke, C. Schβler-Langeheine, Chandan Mazumdar, L. Kilian, G. Kaindl, K. Mamiya, S.-I. Fujimori, A. Fujimori, and T. Miyadai,
    Metal-insulator crossover behaviour at the surface of NiS{2},
    Phys. Rev. B 67, 155112 (2003).

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2005 - 2004 - 2003 - 2002 - 2001

2002

  • D. D. Sarma, N. Shanthi and T. Saha-Dasgupta,
    Estimation of electronic interaction strengths from ab-initio calculations,
    to appear in Advances in Condensed Matter Science, Vol. 4, Taylor \& Francis, London, 2002.

  • Sameer Sapra, N. Shanthi and D. D. Sarma,
    Realistic Tight Binding Model for the Electronic Structure of II-VI Semiconductors,
    Phys. Rev. B 66, 205202 (2002).

  • S. R. Krishnakumar, N. Shanthi and D. D. Sarma,
    Electronic structure of Millerite NiS,
    Phys. Rev. B 66, 115105 (2002).

  • S. Sapra, D. D. Sarma, S. Sanvito and N. A. Hill,
    Influence of quantum confinement on the electronic and magnetic properties of (Ga,Mn)As diluted magnetic semiconductor,
    Nano Lett. 2, 605 (2002).

  • Prasanna Shah, Ajay Gupta, D. D. Sarma and K. Kawaguchi,
    Mossbauer study of La{1-x}Ca{x}Mn{1-y}57Fe{y}O{3} with x =0, 0.25; y =0.01,
    Hyperfine Interact. 139&140, 623-9 (2002).

  • K. Maiti and D. D. Sarma,
    A spectroscopic investigation of the electronic structure of hole doped one dimensional cuprates, Ca{2}CuO{3} and Sr{2}CuO{3},
    Phys. Rev. B 65, 174517 (2002).

  • J. Okabayashi, T. Mizokawa, D. D. Sarma, A. Fujimori, T. Slupinski, A. Oiwa and H. Munekata,
    Electronic structure of In{1-x}Mn{x}As studied by photoemission spectroscopy: Comparison with Ga{1-x}Mn{x}As,
    Phys. Rev. B (Rapid Comm.) 65, 161203 (2002).

  • C. Meneghini, C. Castellano, S. Mobilio, Ashwani Kumar, S. Ray and D. D. Sarma,
    Local structure of hole doped manganites: influence of temperature and applied magnetic field,
    J. Phys.: Condensed Matter 14, 1967 (2002).

  • Z. Hu, P. Mahadevan, D. D. Sarma, G. Kaindl and L. T. Tjeng,
    Study of valence and covalence as well as spin states of late transition metal oxides by x-ray absorption spectroscopy,
    in Recent Research Developments in Physics, (Transworld Research Network).

  • Z. Hu, C. Grazioli, M. Knupfer, M. S. Golden, J. Fink, P. Mahadevan, A. Kumar, S. Ray, D. D. Sarma, S. Warda, D. Reinen, S. Kawasaki, M. Takano, C. Sch�ssler-Langeheine, C. Mazumdar and G. Kaindl,
    Difference in spin state and covalence between La{1-x}Sr{x}CoO{3} and La{2-x}Sr{x}Li{0.5}Co{0.5}O{4},
    J. Alloy and Comp. 343, 5 (2002).

  • Priya Mahadevan, K. Terakura and D. D. Sarma,
    On charge and orbital ordering in La{0.5}Sr{1.5}MnO{4}, Proceedings of the 4th Asian Workshop on First-Principles
    Electronic Structure Calculations, Taiwan, October, 2001, pp. 40, pubished by National Centre for Theoretical Sciences, Taiwan, 2002.

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2005 - 2004 - 2003 - 2002 - 2001

2001

  • Sameer Sapra, J. Nanda, D. D. Sarma, F. Abed El-Al and G. Hodes,
    Blue emission from cysteine ester passivated cadmium sulfide nanoclusters
    Chem. Comm., 2188 (2001)

  • C. Meneghini, D. Levy, S. Mobilio, M. Ortolani, M. Nu\ {n}ez-Reguero, Ashwani Kumar and D. D. Sarma,
    High pressure structure and electronic transport in hole-doped
    La{3/4}Ca{1/4}MnO{3} perovskites,
    Phys. Rev. B 65, 12111 (2001).

  • C. Castellano, F. Cordero, R. Cantelli, M. Ferretti and D. D. Sarma,
    Dynamics of the low temperature inhomogeneous phase in manganese perovskites,
    Solid State Commun. 120, 317 (2001).

  • D. D. Sarma and S. Ray,
    Properties of a new magnetic material: Sr{2}FeMoO{6}
    Proc. Ind Acad. Sci. Chem. Ser., 113, 515 (2001).

  • D. Chaudhuri, A. Kumar, I. Rudra, and D. D. Sarma,
    Synthesis and spectroscopic characterization of highly conducting BF{3}-doped polyaniline,
    Adv. Mater. 13, 1548 (2001).

  • S. Ray, A. Kumar, D. D. Sarma, R. Cimino, S. Turchini, S. Zennaro and N. Zema,
    Electronic and magnetic structure of Sr{2}FeMoO{6},
    Phys. Rev. Lett. 87, 097204 (2001).

  • J. Nanda and D. D. Sarma,
    Photoemission spectroscopy of size selected zinc sulfide nanocrystallites,
    J. Appl. Phys. 90, 2504 (2001).

  • Priya Mahadevan, K. Terakura and D. D. Sarma,
    Spin, charge, and orbital ordering in La{0.5}Sr{1.5}MnO{4},
    Phys. Rev. Lett. 87, 066404 (2001).

  • K. Maiti, D. D. Sarma, M. J. Rozenberg, I. H. Inoue, H. Makino, O. Goto, M. Pedio, and R. Cimino,
    Electronic structure of Ca{1-x}Sr{x}VO{3}: a tale of two energy-scales,
    Europhys. Lett. 55, 246 (2001).

  • T. Saha-Dasgupta and D. D. Sarma,
    Ab initio study of disorder effects on the electronic and magnetic structure of Sr{2}FeMoO{6},
    Phys. Rev. B 64, 064408 (2001).

  • D. D. Sarma,
    A new class of magnetic materials: Sr{2}FeMoO{6} and related compounds,
    Current Opinion in Solid State & Material Sciences, 5, 261 (2001)

  • S. Sapra and D. D. Sarma,
    Electronic structure of semiconducting nanocrystallites,
    Proc. of the 3rd Japan-Korea Joint Workshop on First-Principles Electronic Structure Calculations, pp. 105, 2001.

  • A. Congeduti, P. Postorino, P. Dore, A. Nucara, S. Lupi, S. Mercone, P. Calvani, A. Kumar and D. D. Sarma,
    Infrared study of charge delocalization induced by pressure in the La{0.75}Ca{0.25}MnO{3} manganite,
    Phys. Rev. B 63, 184410 (2001).

  • A. Congeduti, P. Postorino, E. Caramagno, M. Nardone, A. Kumar and D. D. Sarma,
    Anomalous high pressure dependence of the Jahn-Teller phonon in La{0.75}Ca{0.25}MnO{3},
    Phys. Rev. Lett. 86, 1251 (2001).

  • S. R. Krishnakumar, T. Saha-Dasgupta, N. Shanthi, P. Mahadevan, and D. D. Sarma,
    Electronic structure of and covalency driven metal-insulator transition in BaCo{1-x}Ni{x}S{2},
    Phys. Rev. B 63, 45111 (2001).

  • S. Ray, A. Kumar, S. Majumdar, E V Sampathkumaran and D. D. Sarma,
    Transport and magnetic properties of Sr{2}FeMo{x}W{1-x}O{6},
    J. Physics: Condensed Matter 13, 607 (2001).
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