Effect of Cu2+ and Ni2+ substitution at the Mn site in (La0.63Ca0.37)MnO3: A neutron powder diffraction investigation (Articolo in rivista)

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  • Effect of Cu2+ and Ni2+ substitution at the Mn site in (La0.63Ca0.37)MnO3: A neutron powder diffraction investigation (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jssc.2013.01.048 (literal)
Alternative label
  • Martinelli, A.a , Ferretti, M.ab, Castellano, C.c, Cimberle, M.R.d, Ritter, C.e (2013)
    Effect of Cu2+ and Ni2+ substitution at the Mn site in (La0.63Ca0.37)MnO3: A neutron powder diffraction investigation
    in Journal of solid state chemistry (Online); Academic Press, Orlando (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Martinelli, A.a , Ferretti, M.ab, Castellano, C.c, Cimberle, M.R.d, Ritter, C.e (literal)
Pagina inizio
  • 128 (literal)
Pagina fine
  • 135 (literal)
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  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84873705151&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 200 (literal)
Rivista
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  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
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  • a CNR-SPIN, C.so Perrone 24, 16152 Genova, Italy b Dipartimento di Chimica e Chimica Industriale, Università di Genova, Via Dodecaneso 31, 16146 Genova, Italy c Università degli Studi di Milano, Dipartimento di Chimica Strutturale e Stereochimica Inorganica, Via G. Venezian 21, 20133 Milano, Italy d IMEM-CNR, Via Dodecaneso 33, 16146 Genova, Italy e Institute Laue - Langevin, 6 Rue Jules Horowitz, 38042 Grenoble Cedex 9, France (literal)
Titolo
  • Effect of Cu2+ and Ni2+ substitution at the Mn site in (La0.63Ca0.37)MnO3: A neutron powder diffraction investigation (literal)
Abstract
  • The crystal and magnetic structures of the (La0.63Ca 0.37)(Mn1-xTMx)O3 compounds (x=0.00, 0.03, 0.08; TM=Cu2+, Ni2+) were investigated between 5 K and 300 K by means of dc magnetic measurements and neutron powder diffraction analysis followed by Rietveld refinement. Both substituting cations lead to a reduction of the long range ferromagnetic ordering temperature; ferromagnetism is strongly suppressed in the 8% Cu-substituted sample, where long- and short-range FM magnetic orders coexist together with short-range A-type AFM order. This particular feature can be related to the Jahn-Teller character of Cu2+, absent in Ni2+, and suggests the occurrence of a quantum critical point in the (La0.63Ca0.37)(Mn 1-xCux)O3 system. © 2013 Elsevier Inc. (literal)
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