Digitalized magnetoresistance observed in (La,Pr,Ca)MnO3 nanochannel structures (Articolo in rivista)

Type
Label
  • Digitalized magnetoresistance observed in (La,Pr,Ca)MnO3 nanochannel structures (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2423235 (literal)
Alternative label
  • Yoshihiko Yanagisawa; Hidekazu Tanaka; Tomoji Kawai; Luca Pellegrino (2006)
    Digitalized magnetoresistance observed in (La,Pr,Ca)MnO3 nanochannel structures
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Yoshihiko Yanagisawa; Hidekazu Tanaka; Tomoji Kawai; Luca Pellegrino (literal)
Pagina inizio
  • 253121-1 (literal)
Pagina fine
  • 253121-3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://apl.aip.org/resource/1/applab/v89/i25/p253121_s1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 89 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 25 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute of Science and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan; CNR-INFM-LAMIA, Corso Perrone 24, Genova 16152, Italy; Dipartimento di Fisica, Universit√† di Genova, via Dodecaneso 33, Genova 16146, Italy; (literal)
Titolo
  • Digitalized magnetoresistance observed in (La,Pr,Ca)MnO3 nanochannel structures (literal)
Abstract
  • We have examined the magnetoresistances of (La,Pr,Ca)MnO3 channel structures with different channel widths. The 500 nm channel showed an extremely sharp metallic transition from charge ordered insulator to ferromagnetic metal at low temperature, while the 10 and 1 mu m channels showed gradual metallic transitions. The sharpness of the metallic transition was increased from 1.3x10(2) T-1 in the 10 mu m channel to 3.5x10(4) T-1 in the 500 nm channel at 10 K. Such extremely sharp metallic transition can be accounted for electronic phase separation phenomena. (literal)
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