http://www.cnr.it/ontology/cnr/individuo/prodotto/ID58533
Infrared and transport properties of LuFe(2)O(4) under electric fields (Articolo in rivista)
- Type
- Label
- Infrared and transport properties of LuFe(2)O(4) under electric fields (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.84.153105 (literal)
- Alternative label
Vitucci, FM 1; Nucara, A 1; Mirri, C 1; Nicoletti, D 1; Ortolani, M 2; Schade, U 3; Calvani, P 1 (2011)
Infrared and transport properties of LuFe(2)O(4) under electric fields
in Physical review. B, Condensed matter and materials physics (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Vitucci, FM 1; Nucara, A 1; Mirri, C 1; Nicoletti, D 1; Ortolani, M 2; Schade, U 3; Calvani, P 1 (literal)
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- ISI Web of Science (WOS) (literal)
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- 1CNR-SPIN and Dipartimento di Fisica, Universit`a di Roma \"La Sapienza,\" Rome, Italy
2CNR-IFN, Via del Cineto Romano, Roma, Italy
3Berliner Elektronenspeicherring-Gesellshaft f¨ur Synchrotronstrahlung m.b.H (literal)
- Titolo
- Infrared and transport properties of LuFe(2)O(4) under electric fields (literal)
- Abstract
- Multiferroic LuFe2O4 (LFO) exhibits three-dimensional (3D) charge order below TCO ~ 350 K and strong
electroresistance (ER) above a static threshold field Eth. By measuring simultaneously, in LFO single crystals, the dc current and the far-infrared reflectivity along different axes, we do not detect any insulator-to-metal transition above Eth. Combined current-temperature measurements confirm that the ER is due to self-heating of LFO, as recently reported. The data can be fit by the standard activation law for an intrinsic semiconductor, with a gap value ? = 0.57 eV. This value is consistent with that of the optical gap reported for LFO in the literature. (literal)
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