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  1. No Access

    Article

    On the evolution of the ground state in the system U x La 1 - x S: Polarized neutron diffraction and X-ray magnetic circular dichroism study

    In the UxLa1-xS system there is an abrupt loss of the long-range ferromagnetic ordering found in pure US at a critical concentration x c ∼ 0.57, which is far above the percolat...

    A. Bombardi, N. Kernavanois… in The European Physical Journal B - Condense… (2001)

  2. No Access

    Chapter

    Metamagnetic Structures of HoNi2B2C

    Elastic neutron diffraction measurements have been preformed in each of the metamagnetic states of HoNi2B2C for a field applied in the tetragonal basal plane making an angle of approximately 15° with the [110]-ax...

    Carsten Detlefs, F. Bourdarot, P. Burlet… in Rare Earth Transition Metal Borocarbides (… (2001)

  3. No Access

    Article

    Neutron scattering study of transverse magnetism in the metamagnet FeBr2

    In order to clarify the nature of the additional phase transition at H 1 ( T ) < H c ( T ) of the layered antiferromagnetic (AF) insulator

    Ch. Binek, T. Kato, W. Kleemann, O. Petracic… in The European Physical Journal B - Condense… (2000)

  4. No Access

    Article

    Collapse of the magnetic ordering and structural anomalies in the U La S system: neutron diffraction and specific heat measurements

    We report specific heat and neutron diffraction measurements of seven samples in the solid solution system UxLa1-xS. All samples have the simple fcc NaCl crystal structure. Both specific heat and neutron diffract...

    F. Bourdarot, A. Bombardi, P. Burlet… in The European Physical Journal B - Condense… (1999)

  5. No Access

    Article

    Structure and element distribution in the UFe10-x Al x Si2 system

    The neutron diffraction studies of powdered alloys withx = 2,2.5, and 3 gave detailed information on crystallographic data of the compounds. The structure refinement at 300 K for allx = 2,2.5, and 3 and at 450 K ...

    K. Wochowski, P. Burlet, G. André, F. Bourée, W. Suski in Journal of Phase Equilibria (1998)

  6. No Access

    Chapter

    Phase Diagrams and Spin Correlations in YBa2Cu3O6+x

    Since the first discovery in 1986 by J.G. Bednorz and K.A. Müller [1] of a superconductivity at about 30 K in the cuprate (La,Ba)2CuO4, a incredible amount of work has been carried out in order to establish and u...

    L. P. Regnault, Ph. Bourges, P. Burlet in Neutron Scattering in Layered Copper-Oxide… (1998)

  7. No Access

    Article

    Spin dynamics by inelastic neutron scattering in YBCO

    Key features of Inelastic neutron scattering experiments in YBCO-based cuprates are discussed. We underline the importance of precise oxygen content determination in samples having similar TC as well as the resol...

    P. Bourges, L. P. Regnault, Y. Sidis, J. Bossy… in Journal of Low Temperature Physics (1996)

  8. No Access

    Article

    X-Ray and neutron scattering studies of YBa2Cu3O6+x compounds: Oxygen insertion and spin dynamics

    In the first part of this paper the results of X-ray and neutron diffraction studies of the structural aspects related to oxygen insertion in the CuO x planes of YBa2Cu3O6+x co...

    P. Burlet, P. Bourges, J. Bossy, E. Elkaim, J. Y. Henry… in Journal of Superconductivity (1996)

  9. No Access

    Article

    Magnetic structures inRNiAl compounds (R=Pr, Nd, Tb, Dy, Ho and Er)

    Magnetic ordering inRNiAl compounds (R=Pr, Nd, Tb, Dy, Ho and Er) can be described by a propagation vectork=(1/2,0,q). In most cases q=0.5 but incommensurate propagating is observed in PrNiAl (q=0.41) and NdNiAl ...

    P. Javorský, V. Sechovský, P. Burlet, E. Ressouche… in Czechoslovak Journal of Physics (1996)

  10. No Access

    Article

    Neutron Scattering Study of Antiferromagnetic and Ferromagnetic Coupling in Ni/Ag Multilayers

    Indirect magnetic coupling in sputtered Ni/Ag multilayers has been recently studied by magnetization and magnetoresistance techniques. These experiments indicate that coupling is antiferromagnetic through 11 a...

    B. Rodmacq, P. Burlet, Ph. Mangin, M. Hennion in MRS Online Proceedings Library (1993)

  11. No Access

    Article

    Spin waves and exchange interactions in the antiferromagnetic garnets with Fe3+ in the octahedral sites

    The results of an inelastic neutron scattering study of the spin wave spectrum for the garnet Fe2Ca3Si3O12(FeSiG) are presented. We compare the exchange parameters for this garnet and for the Ge-species (Fe2Ca3Ge

    V. Plakhty, I. Golosovsky, A. Gukasov… in Zeitschrift für Physik B Condensed Matter (1993)

  12. No Access

    Chapter and Conference Paper

    Neutron Scattering Investigation of the Spin Dynamics in the High-Temperature Superconducting System YBa2Cu306+x

    We report on inelastic neutron scattering experiments carried out on single-crystals of the YBa2Cu3O6+x system. The spin dynamics has been successfully investigated as a function of temperature in the metallic st...

    J. Rossat-Mignod, L. P. Regnault, P. Bourges… in Electronic Properties of High-Tc Supercond… (1993)

  13. No Access

    Chapter and Conference Paper

    Inelastic Neutron Scattering Study of Spin Dynamics in YBa2Cu3O6+x

    The recent results of extensive neutron scattering studies of the spin dynamics in YBa2Cu3O6+x single crystals are reviewed. In the antiferromagnetic region (x=0.15) the spin waves spectrum shows that YBa2Cu3O6+x

    C. Vettier, P. Burlet, L. P. Regnault… in Advances in Superconductivity III (1991)

  14. No Access

    Chapter

    Neutron Scattering Study of the Spin Dynamics in YBa2Cu3O6+x

    Since the discovery of superconductivity in lamellar copper oxide materials a huge amount of experimental and theoretical works has been performed1 but there is not yet a consensus on the physical mechanism of su...

    J. Rossat-Mignod, L. P. Regnault… in Dynamics of Magnetic Fluctuations in High-… (1991)

  15. No Access

    Article

    Superconducting Properties of Substituted Oxides Bi2Sr2−xLaxCuO6+y and Bi2Sr2Ca1−xYxCu2O8+y Neutron Diffraction of Bi2Sr1.6La0.4CuO6+y and Bi2CaLaCuO6+y

    The substituted oxides Bi2Sr2−xLaxCuO6+y and Bi2Sr2Ca1−xYxCu2O8+y isostructural to the n = 1 and n = 2 members of the high Tc superconductors have been prepared. The solid solution Bi2Sr2−xLaxCuO6+y shows a super...

    J. Darriet, J. A. Alonso, P. Burlet, B. Chevalier… in MRS Online Proceedings Library (1989)

  16. No Access

    Chapter

    Large Pressure Effects on the Magnetic Phase Diagrams of CeSb and Cex(La0.76Y0.24)1−xSb Compounds

    Cerium and uranium monopnictides of rocksalt structure, exhibit unusual and very anisotropic magnetic properties compared to the other rare earth or actinide compoundsl. This behavior is attributed to the proximi...

    H. Bartholin, J. M. Effantin, P. Burlet… in Crystalline Electric Field Effects in f-El… (1982)

  17. No Access

    Chapter

    Magnetic Phase Diagrams of Some Uranium Monopnictides and Mono-Chalcogenides

    The uranium monopnictides, with the NaC1 crystal structure, exhibit highly unusual magnetic behaviors which have many similarities with those of cerium monopnictidesl. The characteristic magnetic properties origi...

    J. Rossat-Mignod, P. Burlet, S. Quézel… in Crystalline Electric Field Effects in f-El… (1982)