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16 papers · 2 filters
Evolution of spin-wave excitations in ferromagnetic metallic manganites
F. Ye, Pengcheng Dai, J. A. Fernandez-Baca +6
Neutron scattering results are presented for spin-wave excitations of three ferromagnetic metallic MnO manganites (where and are rare- and…
Nano-magnetic droplets and implications to orbital ordering in La1-xSrxCoO3
D. Phelan, Despina Louca, S. Rosenkranz +9
Inelastic cold neutron scattering on LaCoO3 provided evidence for a distinct low energy excitation at 0.6 meV coincident with the thermally induced magnetic transition. Coexisting…
Dynamics of composite Haldane spin chains in IPA-CuCl3
T. Masuda, A. Zheludev, H. Manaka +3
Magnetic excitations in the quasi-one-dimensional antiferromagnet IPA-CuCl3 are studied by cold neutron inelastic scattering. Strongly dispersive gap excitations are observed. Cont…
Field dependence of magnetic ordering in Kagome-staircase compound Ni3V2O8
M. Kenzelmann, A. B. Harris, A. Aharony +11
We present powder and single-crystal neutron diffraction and bulk measurements of the Kagome-staircase compound Ni3V2O8 (NVO) in fields up to 8.5T applied along the c-direction. (T…
Statics and dynamics of an incommensurate spin order in a geometrically frustrated antiferromagnet CdCrO
J. -H. Chung, M. Matsuda, S. -H. Lee +6
Using elastic and inelastic neutron scattering we show that a cubic spinel, CdCrO, undergoes an elongation along the c-axis () at its spin-Peierls-like phase tra…
Spin-dynamics of the low-dimensional magnet (CH3)2NH2CuCl3
M. B. Stone, W. Tian, G. E. Granroth +4
Dimethylammonium copper (II) chloride (also known as DMACuCl3 or MCCL) is a low dimensional S=1/2 quantum spin system proposed to be an alternating ferro-antiferromagnetic chain wi…