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Magnetic structure and spin reorientation of the Mn ions in NdMnO3 (2000)

Wu, S. Y. ; Kuo, C. M. ; Wang, H. Y. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 87 (2000), S. 5822-5824

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ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: The crystal structure and magnetic ordering of the Mn spins in polycrystalline NdMnO3 have been investigated by means of neutron diffraction and ac magnetic susceptibility measurements. The compound crystallizes into an orthorhombic symmetry of space group Pbnm. Three peaks were observed in the temperature dependence of the in-phase component of the ac susceptibility, χ′(T). Neutron diffraction measurements show that all three peaks observed in χ′(T) are of magnetic origin, and are associated with the ordering and the reorientation of the Mn spins. Both ferromagnetic and antiferromagnetic couplings between the Mn spins were observed, resulting in a noncollinear magnetic structure. The Mn spins order at Tm(approximate)75 K, and the moment saturates at ∼20 K at 〈μz〉=2.21 μB. © 2000 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.372534

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