Antiferromagnetic Order in Disorder-Induced Insulating Phase of SrRu_{1-x}Mn_xO_3 (0.4<x<0.6)

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dc.creatorYokoyama, M.
dc.creatorSatoh, C.
dc.creatorSaitou, A.
dc.creatorKawanaka, H.
dc.creatorBando, H.
dc.creatorOhoyama, K.
dc.creatorNishihara, Y.
dc.date2005-03-02
dc.date2005-06-27
dc.date.accessioned2026-07-07T03:03:58Z
dc.date.available2026-07-07T03:03:58Z
dc.descriptionWe have performed the powder neutron diffraction measurements on the solid solutions of SrRu_{1-x}Mn_xO_3, and found that the itinerant ferromagnetic order observed in pure SrRuO_3 changes into the C-type antiferromagnetic (AF) order with nearly localized d electrons in the intermediate Mn concentration between x=0.4 and 0.6. With increasing x, the AF moment is strongly enhanced from 1.1 mB (x=0.4) to 2.6 mB (x=0.6), which is accompanied by the elongation of the tetragonal c/a ratio. These results suggest that the substitution of Mn for Ru suppresses the itinerant character of the d electrons, and induces the superexchange interaction through the compression in the c plane. We have also found that the magnetic and transport properties observed in our tetragonal samples are quite similar to those of recently reported orthorhombic ones.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0503040
dc.identifierhttp://arxiv.org/abs/cond-mat/0503040
dc.identifierJ. Phys. Soc. Jpn. 74 (2005) 1706
dc.identifierdoi:10.1143/JPSJ.74.1706
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25957
dc.subjectStrongly Correlated Electrons
dc.titleAntiferromagnetic Order in Disorder-Induced Insulating Phase of SrRu_{1-x}Mn_xO_3 (0.4<x<0.6)
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