Optical spectra of LaMn0.5Ga0.5O3: A contribution to the assignment of the electronic transitions in manganites (Articolo in rivista)

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  • Optical spectra of LaMn0.5Ga0.5O3: A contribution to the assignment of the electronic transitions in manganites (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1010/j.physb.2013.10.030 (literal)
Alternative label
  • A. Nucara (a); F. Miletto Granozio (b); W.S. Mohamed (a); A. Vecchione (c); R. Fittipaldi (c); P.P. Perna (b); M. Radovic (e); F.M. Vitucci (d); P. Calvani (a) (2014)
    Optical spectra of LaMn0.5Ga0.5O3: A contribution to the assignment of the electronic transitions in manganites
    in Physica. B, Condensed matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Nucara (a); F. Miletto Granozio (b); W.S. Mohamed (a); A. Vecchione (c); R. Fittipaldi (c); P.P. Perna (b); M. Radovic (e); F.M. Vitucci (d); P. Calvani (a) (literal)
Pagina inizio
  • 102 (literal)
Pagina fine
  • 106 (literal)
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  • http://www.sciencedirect.com/science/article/pii/S0921452613006480 (literal)
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  • 433 (literal)
Rivista
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  • January (literal)
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  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
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  • (a) CNR-SPIN and Dipartimento di Fisica, Università di Roma La Sapienza, Piazzale A. Moro 2 I-00185 Roma, Italy (b) CNR-SPIN and Dipartimento di Scienze Fisiche, Universitá degli Studi Federico II, Complesso Universitario di Monte Sant'Angelo, I-80126 Napoli, Italy (c) CNR-SPIN and Dipartimento di Fisica E. R. Caianiello, Università di Salerno, via Ponte don Melillo, I-84084 Fisciano, Italy (d) CNR-ISC, U.O.S. Sapienza, Piazzale A. Moro 5, 00185 Roma, Italy (e) Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland and Paul Scherrer Inst, SwissFEL, CH-5232 Villigen, Switzerland (literal)
Titolo
  • Optical spectra of LaMn0.5Ga0.5O3: A contribution to the assignment of the electronic transitions in manganites (literal)
Abstract
  • We have prepared a LaMn0.5Ga0.5O3 thin film deposited by Pulsed Laser Deposition on a LSAT substrate and we have measured its transmittance in the visible and near UV range, from 300 to 10 K. The aim was to shed light on the origin of the electronic bands in the [MO family through a comparison with the corresponding spectra collected previously on the parent compound. Two our of the four bands detected have been assigned to the intersite d-d transitions between Mn+3 ions. The other ones were ascribed to the p-d Mn-O charge-transfer transitions. We are thus led to a \"mixed\" interpretation where both a Molt Hubbard and a charge transfer approach concur to interpret the electronic spectrum of those manganites. (literal)
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