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Publications 2004

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Field-induced magnetization steps in intermetallic compounds and manganese oxides: The martensitic scenario, V. Hardy, S. Majumdar, S. J. Crowe, M. R. Lees, D. M. Paul, L. Herve, A. Maignan, S. Hebert, C. Martin, C. Yaicle, M. Hervieu, and B. Raveau, Physical Review B 69, 020407 (2004).

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Rare earth hexaborides: large single crystals, G. Balakrishnan, M. R. Lees, D. M. Paul, Journal of Magnetism and Magnetic Materials 272-76 , 601 (2004).

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ESR study of Nd0.5Sr0.5MnO3 single crystal, S. Angappane, M. Pattabiriman, G. Ranharajan, K. Sethupathi, G. Balakrishnan, D. M. Paul, M. R. Lees, V.S. Sastry, Journal of Magnetism and Magnetic Materials 272-76, 1807 (2004).

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Damage accumulation and amorphization in samarium titanate pyrochlore, Y. Zhang, V. Shuttanandan, R. Devanathan, S. Thevuthasan, D.E. McCready, J. Young, G. Balkrishnan, D.M. Paul, W.J. Weber, Nuclear Instruments and Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 218, 89 (2004).

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Damage evolution on Sm and O sublattices in Au-implanted samarium titanate pyrochlore, Y. Zhang, W. J. Weber, V. Shutthanandan, R. Devanathan, S. Thevuthasan, G. Balakrishnan, D.M. Paul, Journal of applied Physics 95, 2866 (2004).

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Quantum tunneling of the magnetization in the Ising chain compound Ca3Co2O6, A. Maignan, V. Hardy, S. Herbert, M. Drillon, M.R. Lees, O. Petrenko, D.M. Paul, D. Khomskii, Journal of Materials Chemistry 14, 1231 (2004).

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Magnetic susceptibility and heat capacity investigations of the unconventional spin-chain compound Sr3CuPtO6, S. Majumdar, V. Hardy, M. R. Lees, D. M. Paul, H. Rousseliere, and D. Grebille, Physical Review B 69, 024405 (2004).

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Magnetic phase diagram of the antiferromagnetic pyrochlore Gd2Ti2O7, O. A. Petrenko, M. R. Lees, G. Balakrishnan, D. M. Paul, Physical Review B, 70, 012402 (2004).

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Single crystals of the anisotropic Kagome staircase compounds Ni3V2O8 and Co3V2O8, G. Balakrishnan, O. A. Petrenko, M. R. Lees, D. M. Paul, Journal of Physics-Condensed Matter 16, L347 (2004).

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Thermal stability and saturation magnetization of a new series of amorphous Fe80-xCoxP14B6 (20 <= x <= 40) alloys, V. I. Tkatch, S. G. Rassolov, V. V. Popov, V Y. Kameneva, O. A. Petrenko, Materials Letters 58, 2988 (2004).

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Temperature and time dependence of the field-driven magnetization steps in Ca3Co2O6 single crystals, V. Hardy, M. R. Lees, O. A. Petrenko, D. M. Paul, D. Flahaut, S. Hebert, A. Maignan, Physical Review B 70, 064424 (2004).

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On the possible coexistence of spiral and collinear structures in antiferromagnetic KFe(MoO4)(2), L. E. Svistov, A. I. Smirnov, L. A. Prozorova, O. A. Petrenko, A. Y. Shapiro, L. N. Dem'yanets, JETP Letters 80, 204 (2004).

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Power-law distribution of avalanche sizes in the field-driven transformation of a phase-separated oxide, V. Hardy, S. Majumdar, M. R. Lees, D. M. Paul, C. Yaicle, M. Hervieu, Physical Review B 70, 104423 (2004).

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Probing cation antisite disorder in Gd2Ti2O7 pyrochlore by site-specific near-edge x-ray-absorption fine structure and x-ray photoelectron spectroscopy, P. Nachimuthu, S. Thevuthasan, M. H. Engelhard, W. J. Weber, D. K. Shuh, N. M. Hamdan, B. S. Mun, E. M. Adams, D. E. McCready, V. Shutthanandan, D. W. Lindle, G. Balakrishnan, D. M. Paul, E. M. Gullikson, R. C. C. Perera, J. Lian, L M. Wang, R C. Ewing, Physical Review B 70, 100101 (2004).

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Specific heat studies of PrCoAl4 single crystal, L. D. Tung, D. M. Paul, M. R. Lees, P. Schobinger-Papamantellos, K. H. J. Buschow, Journal of Magnetism and Magnetic Materials 281, 378 (2004).

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Neutron scattering investigation of the spin ice state in Dy2Ti2O7,  T. Fennell, O. A. Petrenko, B. Fak, S. T. Bramwell, M. Enjalran, T. Yavors'kii, M. J. P. Gingras, R G. Melko, G. Balakrishnan, Physical Review B 70, 134408 (2004).

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Readily prepared metallo-supramolecular triple helicates designed to exhibit spin-crossover behaviour, F. Tuna, M. R. Lees, G. J. Clarkson, M. J. Hannon, Chemistry - A European Journal 10, 5737 (2004).

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Magnetic properties of tapiolite (FeTa(2)0(6)); a quasi two-dimensional (2D) antiferromagnet, E.M.L. Chung, M. R. Lees, G. J. McIntyre, C. Wilkinson, G. Balakrishnan, J. P. Hague, D. Visser, D M. Paul, Journal of Physics, Condensed Matter 16, 7837 (2004).

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Spin glass-like antiferromagnetic interactions in iron phosphate glasses, J. L. Shaw, A. C. Wright, R. N. Sinclair, G. K. Marasinghe, D. Holland, M. R. Lees, S. C. Scales, Journal of Non-Crystaline Solids 345, 245 (2004).

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Magnetic quantum tunneling in Ca3Co2O6 studied by ac susceptibility: Temperature and magnetic-field dependence of the spin-relaxation time, V. Hardy, D. Flahaut, M. R. Lees, O. A. Petrenko, Physical Review B 70, 214439 (2004).

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