http://www.cnr.it/ontology/cnr/individuo/prodotto/ID3381
Observation of charge-density-wave excitations in manganites (Articolo in rivista)
- Type
- Label
- Observation of charge-density-wave excitations in manganites (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.101.066407 (literal)
- Alternative label
Nucara, A; Maselli, P; Calvani, P; Sopracase, R; Ortolani, M; Gruener, G; Guidi, MC; Schade, U; Garcia, J (2008)
Observation of charge-density-wave excitations in manganites
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Nucara, A; Maselli, P; Calvani, P; Sopracase, R; Ortolani, M; Gruener, G; Guidi, MC; Schade, U; Garcia, J (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- \"[Nucara, A.; Maselli, P.; Calvani, P.; Sopracase, R.] Univ Roma La Sapienza, CNR INFM Coherentia, I-00185 Rome, Italy; [Ortolani, M.; Schade, U.] Berliner Elektronenspeicherring Gesell Synchrotro, D-12489 Berlin, Germany; [Gruener, G.] Univ Tours, CEA, CNRS, UMR 6157,Lab Electrodynam Mat Avances, F-37200 Tours, France; [Guidi, M. Cestelli] Lab Nazl INFN Frascati, I-00044 Frascati, Italy; [Garcia, J.] Inst Ciencia Mat Aragon, Zaragoza 50009, Spain; [Garcia, J.] Consejo Super Investigat Cientificas, Dept Fis Mat Condensada, Zaragoza 50009, Spain; [Garcia, J.] Univ Zaragoza, E-50009 Zaragoza, Spain (literal)
- Titolo
- Observation of charge-density-wave excitations in manganites (literal)
- Abstract
- In the optical conductivity of four different manganites with commensurate charge order ( CO), strong peaks appear in the meV range below the ordering temperature T-CO. They are similar to those reported for one-dimensional charge density waves (CDW) and are assigned to pinned phasons. The peaks and their overtones allow one to obtain, for La1-n/8Can/8MnO3 with n = 5, 6, the electron-phonon coupling, the effective mass of the CO system, and its contribution to the dielectric constant. These results support a description of the CO in La-Ca manganites in terms of moderately weak coupling and of the CDW theory. (literal)
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