Search Results - "Radaelli, PG"

Magneto-orbital helices as a route to coupling magnetism and ferroelectricity in multiferroic CaMn7O12 by Perks, N.J., Johnson, R.D., Martin, C., Chapon, L.C., Radaelli, P.G.

“…Orbital physics drives a rich phenomenology in transition-metal oxides, providing the microscopic underpinning for effects such as Colossal Magnetoresistance…”
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Spin structure and magnetic frustration in multiferroic RMn2O5 (R=Tb,Ho,Dy) by BLAKE, G. R, CHAPON, L. C, RADAELLI, P. G, PARK, S, HUR, N, CHEONG, S.-W, RODRIGUEZ-CARVAJAL, J

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Preparation and Structures of Hydrogen Ordered Phases of Ice by Salzmann, Christoph G, Radaelli, Paolo G, Hallbrucker, Andreas, Mayer, Erwin, Finney, John L

“…Two hydrogen ordered phases of ice were prepared by cooling the hydrogen disordered ices V and XII under pressure. Previous attempts to unlock the geometrical…”
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Ferroelectricity Induced by Acentric Spin-Density Waves in YMn{sub 2}O{sub 5} by Chapon, L.C., Radaelli, P.G., Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, Blake, G.R., Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, Park, S., Cheong, S.-W.

“…The commensurate and incommensurate magnetic structures of the magnetoelectric system YMn{sub 2}O{sub 5}, as determined from neutron diffraction, were found to…”
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Structural anomalies and multiferroic behavior in magnetically frustrated TbMn2O5 by CHAPON, L. C, BLAKE, G. R, GUTMANN, M. J, PARK, S, HUR, N, RADAELLI, P. G, CHEONG, S.-W

“…We have studied the magnetostructural phase diagram of multiferroic TbMn2O5 as a function of temperature and magnetic field by neutron diffraction. Dielectric…”
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Long range charge ordering in magnetite below the Verwey transition by Wright, J P, Attfield, J P, Radaelli, P G

“…The crystal structure of Fe(3)O(4) below the 122 K Verwey transition has been refined using high-resolution x-ray and neutron powder diffraction data. The…”
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Spin singlet formation in MgTi2O4: evidence of a helical dimerization pattern by Schmidt, M, Ratcliff, 2nd, W, Radaelli, P G, Refson, K, Harrison, N M, Cheong, S W

“…The transition-metal spinel MgTi2O4 undergoes a metal-insulator (M-I) transition on cooling below T(M-I)=260 K. A sharp reduction of the magnetic…”
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Lattice effects on the magnetoresistance in doped LaMnO3 by Hwang, HY, Cheong, SW, Radaelli, PG, Marezio, M, Batlogg, B

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Formation of isomorphic Ir3+ and Ir4+ octamers and spin dimerization in the spinel CuIr2S4 by RADAEILL, Paolo G, HORIBE, Y, GUTMANN, Matthias J, ISHIBASHI, Hiroki, CHEN, C. H, IBBERSON, Richard M, KOYAMA, Y, HOR, Yew-San, KIRYUKHIN, Valery, CHEONG, Sang-Wook

“…Inorganic compounds with the AB2X4 spinel structure have been studied for many years, because of their unusual physical properties. The spinel crystallographic…”
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Structural and magnetic properties of the kagomé antiferromagnet YbBaCo4O7 by HUQ, A, MITCHELL, J. F, ZHENG, H, CHAPON, L. C, RADAELLI, P. G, KNIGHT, K. S, STEPHENS, P. W

“…The mixed-valent compound YbBaCo{sub 4}O{sub 7} is built up of Kagom{acute e} sheets of CoO{sub 4} tetrahedra, linked in the third dimension by a triangular…”
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Simultaneous structural, magnetic, and electronic transitions in La1-xCaxMnO3 with x=0.25 and 0.50 by Radaelli, PG, Cox, DE, Marezio, M, Cheong, SW, Schiffer, PE, Ramirez, AP

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Structural transformation induced by magnetic field and "colossal-like" magnetoresistance response above 313 K in MnAs by Mira, J, Rivadulla, F, Rivas, J, Fondado, A, Guidi, T, Caciuffo, R, Carsughi, F, Radaelli, P G, Goodenough, J B

“…MnAs exhibits a first-order phase transition from a ferromagnetic, high-spin metal hexagonal phase to a paramagnetic, lower-spin insulator orthorhombic phase…”
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Crossover from Large to Small Polarons across the Metal-Insulator Transition in Manganites by Lanzara, A., Saini, N. L., Brunelli, M., Natali, F., Bianconi, A., Radaelli, P. G., Cheong, S.-W.

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Charge localization by static and dynamic distortions of the MnO6 octahedra in perovskite manganites by Radaelli, PG, Marezio, M, Hwang, HY, Cheong, SW, Batlogg, B

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Structural aspects of metamagnetism in Ca2-xSrxRuO4 : Evidence for field tuning of orbital occupation by KRIENER, M, STEFFENS, P, REUTLER, P, REVCOLEVSCHI, A, NAKATSUJI, S, MAENO, Y, BRADEN, M, BAIER, J, SCHUMANN, O, ZABEL, T, LORENZ, T, FRIEDT, O, MÜLLER, R, GUKASOV, A, RADAELLI, P. G

“…The crystal structure of Ca(2-x)Sr(x)RuO(4) with 0.2 < or = x < or = 1.0 has been studied by diffraction techniques and by high resolution capacitance…”
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Discovery of a second family of bismuth-oxide-based superconductors by Chaillout, C, Kazakov, S. M, Bordet, P, Capponi, J. J, Nunez-Regueiro, M, Rysak, A, Tholence, J. L, Radaelli, P. G, Putilin, S. N, Antipov, E. V

“…The superconducting oxide BaPb1−xBixO3, discovered in 1975 (ref. 1), is an exotic system having an unusually high transition temperature (Tc) of ∼12 K, despite…”
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Phase imaging using time-of-flight neutron diffraction by Gutmann, M. J., Kockelmann, W., Chapon, L. C., Radaelli, P. G.

“…A technique that allows the spatial distribution of crystallographic phases in the interior of an object to be reconstructed from neutron time‐of‐flight (TOF)…”
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Dependence of superconducting transition temperature on doping and structural distortion of the CuO2 planes in La2-xMxCuO4 (M=Nd, Ca, Sr) by Dabrowski, B, Wang, Z, Rogacki, K, Jorgensen, JD, Hitterman, RL, Wagner, JL, Hunter, BA, Radaelli, PG, Hinks, DG

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Stripe structure of the CuO2 plane in Bi2Sr2CaCu2O8+y by anomalous x-ray diffraction by Bianconi, A, Lusignoli, M, Saini, NL, Bordet, P, Kvick, Radaelli, PG

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High-temperature neutron scattering investigation of the β′ phase in the Mg-Zr-O-N system by Lerch, M., Boysen, H., Radaelli, P.G.

“…The crystal structure and the high temperature behaviour of the β′ phase in the Mg-Zr-O-N system have been investigated by powder neutron diffraction. It…”
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