Browsing by Author "Stuesser, N"

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    Magnetic field dependent neutron powder diffraction studies of Ru0.9Sr2YCu2.1O7.9
    (American Institute of Physics, 2010-05-01) Nigam, R; Pan, AV; Dou, SX; Kennedy, SJ; Studer, AJ; Stuesser, N
    Temperature and magnetic field dependent neutron diffraction has been used to study the magnetic order in Ru0.9Sr2YCu2.1O7.9. The appearance of (1/2, 1/2, 1/2), (1/2, 1/2, 3/2), and (1/2, 1/2, 5/2) peaks below TM = 140 K manifests the antiferromagnetic order. Neutron diffraction patterns measured in applied magnetic fields from 0 to 6 T show the destruction of the antiferromagnetic order with increasing field. There is no evidence of spontaneous or field-induced long range ferromagnetic order. This latter result contradicts the vast majority of other experimental observations for this system. © 2010, American Institute of Physics