Neutron powder diffraction investigation on the crystal and magnetic structure of (Ho(0.50+x)Ca(0.50-x))(Mn (1-x)Cr(x))O(3) (Articolo in rivista)

Type
Label
  • Neutron powder diffraction investigation on the crystal and magnetic structure of (Ho(0.50+x)Ca(0.50-x))(Mn (1-x)Cr(x))O(3) (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/23/41/416005 (literal)
Alternative label
  • Martinelli, A; Ferretti, M; Castellano, C; Cimberle, MR; Masini, R; Ritter, C (2011)
    Neutron powder diffraction investigation on the crystal and magnetic structure of (Ho(0.50+x)Ca(0.50-x))(Mn (1-x)Cr(x))O(3)
    in Journal of physics. Condensed matter (Print); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Martinelli, A; Ferretti, M; Castellano, C; Cimberle, MR; Masini, R; Ritter, C (literal)
Pagina inizio
  • 416005 (literal)
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  • ID_PUMA: cnr.imem/2011-A0-060 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0953-8984/23/41/416005 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
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  • 9 (literal)
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  • 41 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • - SPIN-CNR, Corso Perrone 24, 16152 Genova, Italy - Dipartimento di Chimica e Chimica Industriale, Universit`a degli Studi di Genova, Via Dodecaneso 31, 16146 Genova, Italy - Dipartimento di Chimica Strutturale e Stereochimica Inorganica, Universit`a degli Studi di Milano, Via C Venezian 21, 20133 Milano, Italy - IMEM-CNR, Via Dodecaneso 33, 16146 Genova, Italy - Institute Laue-Langevin, 6 rue Jules Horowitz, 38042 Grenoble Cedex 9, France (literal)
Titolo
  • Neutron powder diffraction investigation on the crystal and magnetic structure of (Ho(0.50+x)Ca(0.50-x))(Mn (1-x)Cr(x))O(3) (literal)
Abstract
  • The crystal and magnetic structure of (Ho0.50+xCa0.50-x)(Mn1-xCrx)O3 (x = 0.00, 0.01, 0.02, 0.03) has been investigated between 5 and 300 K by means of neutron powder diffraction followed by Rietveld refinement and dc magnetic measurements. During cooling an orthorhombic to monoclinic phase transition occurs on account of the charge and orbital ordering taking place in the Mn sub-lattice; at low temperature phase separation takes place and the main monoclinic phase coexists with a secondary orthorhombic phase, whose amount slightly increases with the increase of Cr content. Cr3+ is not involved in orbital ordering or superexchange interactions. The charge and magnetic ordering are decoupled: the Mn moments order according to a CE-type structure in all samples. (literal)
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