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6 papers · 1 filter
Magnetic anisotropy and low-energy spin waves in the Dzyaloshinskii-Moriya spiral magnet Ba_2 Cu Ge_2 O_7
A. Zheludev, S. Maslov, G. Shirane +6
New neutron diffraction and inelastic scattering experiments are used to investigate in detail the field dependence of the magnetic structure and low-energy spin wave spectrum of t…
Characterization of a Quasi-One Dimensional Spin-1/2 Magnet which is Gapless and Paramagnetic for g mu_B H <= J and k_B T << J
P. R. Hammar, M. B. Stone, Daniel H. Reich +5
High field mangetization, field-dependent specific heat measurements, and zero field inelastic magnetic neutron scattering have been used to explore the magnetic properties of copp…
Structure and Spin Dynamics of LaSrMnO
L. Vasiliu-Doloc, J. W. Lynn, A. H. Moudden +2
Neutron scattering has been used to study the structure and spin dynamics of LaSrMnO. The magnetic structure of this system is ferromagnetic below T_C = 235 K…
Experimental evidence for Shekhtman-Entin-Wohlman-Aharony (SEA) interactions in Ba2CuGe2O7
A. Zheludev, S. Maslov, I. Zaliznyak +5
New neutron diffraction and inelastic neutron scattering experiments on Ba2CuGe2O7 suggest that the previously suggested model for the magnetism of this material (an ideal sinusoid…
Spin Dynamics of the Magnetoresistive Pyrochlore Tl_2Mn_2O_7
J. W. Lynn, L. Vasiliu-Doloc, M. A. Subramanian
Neutron scattering has been used to study the magnetic order and spin dynamics of the colossal magnetoresistive pyrochlore Tl_2Mn_2O_7. On cooling from the paramagnetic state, magn…
Magnetic correlations and quantum criticality in the insulating antiferromagnetic, insulating spin liquid, renormalized Fermi liquid, and metallic antiferromagnetic phases of the Mott system V_2O_3
Wei Bao, C. Broholm, G. Aeppli +6
Magnetic correlations in all four phases of pure and doped vanadium sesquioxide V_2O_3 have been examined by magnetic thermal neutron scattering. While the antiferromagnetic insula…