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    Spin-trimer antiferromagnetism in La4Cu3MoO12 

    Qiu, Y.; Broholm, C.; Ishiwata, S.; Azuma, M.; Takano, M.; Bewley, R.; Buyers, W.J.L. (American Physical Society, 2005-06-01)
    La4Cu3MoO12 is a cluster antiferromagnet where copper spin-1/2 trimers form a network of strongly coupled spin trimers. The magnetic properties of this material have been examined using magnetic neutron scattering. At low ...
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    Magnetically driven ferroelectric order in Ni3V2O8 

    Lawes, G.; Harris, A. B.; Kimura, T.; Rogado, N.; Cava, R.J.; Aharony, A.; Entin-Wohlman, O.; Yildirim, T.; Kenzelmann, M.; Broholm, C.; Ramirez, A. P. (American Physical Society, 2005-08-19)
    We show that long-range ferroelectric and incommensurate magnetic order appear simultaneously in a single phase transition in Ni3V2O8. The temperature and magnetic-field dependence of the spontaneous polarization show a ...
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    S=½ chain in a staggered field: high-energy bound-spinon state and the effects of a discrete lattice 

    Kenzelmann, M.; Batista, C. D.; Chen, Y.; Broholm, C.; Reich, D.H.; Park, S.; Qiu, Y. (American Physical Society, 2005-03-01)
    We report an experimental and theoretical study of the antiferromagnetic S=½ chain subject to uniform and staggered fields. Using inelastic neutron scattering, we observe a bound-spinon state at high energies in the linear ...
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    Inhomogeneous level splitting in Pr2-xBixRu2O7 

    van Duijn, J.; Kim, K. H.; Hur, N.; Adroja, D.; Adams, M. A.; Huang, Q.Z.; Jaime, M.; Cheong, S.-W.; Broholm, C.; Perring, T.G. (American Physical Society, 2005-05-06)
    We report that Bi doping drives Pr2-xBixRu2O7 from an antiferromagnetic insulator (x=0) to a metallic paramagnet (x≈1) with a broad low T maximum in C/T. Neutron scattering reveals local low energy spin excitations (ℎω≈1 ...
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    Magnetic inversion symmetry breaking and ferroelectricity in TbMnO3 

    Kenzelmann, M.; Harris, A. B.; Jonas, S.; Broholm, C.; Schefer, J.; Kim, S. B.; Zhang, C.L.; Cheong, S.-W.; Vajk, O. P.; Lynn, J. W. (American Physical Society, 2005-08-19)
    TbMnO3 is an orthorhombic insulator where incommensurate spin order for temperature TN<41 K is accompanied by ferroelectric order for T<28 K. To understand this, we establish the magnetic structure above and below the ...

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    AuthorBroholm, C. (5)Kenzelmann, M. (3)Cheong, S.-W. (2)Harris, A. B. (2)Qiu, Y. (2)Adams, M. A. (1)Adroja, D. (1)Aharony, A. (1)Azuma, M. (1)Batista, C. D. (1)... View MoreSubjectantiferromagnetic materials (4)neutron diffraction (3)copper compounds (2)neutron scattering (2)spin dynamics (2)spin structure (2)125 meV (1)132.5 meV (1)2.6 K (1)7.5 meV (1)... View MoreDate Issued
    2005 (5)
    Has File(s)Yes (5)

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