Magnetic ordering in NdMn2O5 studied by the neutron diffraction

Authors:
I.A. Zobkalo, S.V. Gavrilov, N.Z. Saw Nyi, S.N. Barilo, S.V. Shiryaev
The year of the publication:
2014
Journal:
J. Magn. Magn. Mater. N 1 vol. 354 85
Abstract:

The magnetic ordering in NdMn2O5 single crystal has been studied by the neutron scattering, including XYZ-polarization analysis. At TN ≈ 30 K the onset of the long-range magnetic order with incommensurate wave vector k = (0.5 0 ~0.36) is observed. Below 30 K two magnetic phases are observed with propagation vectors close each other: k1 = (0.5 0 kz1), k2 = (0.5 0 kz2). kz1, kz2 components increase monotonously with temperature decrease down to 25 K, then remain to be constant with values kz1 = 0.384(2), kz2 = 0.395(2). Two reorientation transitions were observed at ~ 20 K and at ~ 5 K.

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