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Anelastic spectroscopy measurements of nanoscale charge and magnetic structures in cuprates and manganites (Articolo in rivista)
- Type
- Label
- Anelastic spectroscopy measurements of nanoscale charge and magnetic structures in cuprates and manganites (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.msea.2003.04.002 (literal)
- Alternative label
F. Cordero (a); A. Paolone (b); C. Castellano (b); R. Cantelli (b) (2004)
Anelastic spectroscopy measurements of nanoscale charge and magnetic structures in cuprates and manganites
in Materials science & engineering. A, Structural materials: properties, microstructure and processing
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- F. Cordero (a); A. Paolone (b); C. Castellano (b); R. Cantelli (b) (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- Conference: 13th International Conference on Internal Friction and Ultrasonic Attentuation in Solids Location: Bilbao, SPAIN Date: JUL 08-12, 2002 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- fasc. (1-2). Elsevier.
13th International Conference on Internal Friction and Ultrasonic Attenuation in Solids. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (a) CNR, Istituto di Acustica \"O.M. Corbino\", Area della Ricerca di Roma-Tor Vergata, Via del Fosso del Cavaliere 100, I-00133 Rome, Italy
(b) Dip. Fisica--INFM Università di Roma \"La Sapienza\", P.le A. Moro 5, I-00185 Rome, Italy (literal)
- Titolo
- Anelastic spectroscopy measurements of nanoscale charge and magnetic structures in cuprates and manganites (literal)
- Abstract
- Many perovskites and perovskite related materials exhibit electronic phase separation phenomena at nanometer scales, which are thought to concur to important electric and magnetic properties, like high-Tc superconductivity or colossal magnetoresistence (CMR). Recent and new anelastic spectroscopy experiments are presented, which supply information on the dynamics of such inhomogeneities in the superconductors of the La2-xSrxCuO4 (LSCO) family and on the magnetic perovskite La1-xCaxMnO3. In La2-xSrxCuO4, a relaxation process at liquid He temperatures is identified as due to the motion of the hole stripes, acting as walls between antiferromagnetic (AF) domains. Another process is identified as the depinning of these stripes from defects in the disordered phase. In La1-xCaxMnO3 a glassy dynamic response below the ferromagnetic (FM) transition is attributed to the insulating nanodomains coexisting with the ferromagnetic background. (literal)
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