Data di Pubblicazione:
2004
Abstract:
Nuclear magnetic resonace sNMRd, EPR and magnetization measurements in NaxCoO2 for 0.65
signal originates from cobalt nuclei in metallic regions with no long range magnetic order and characterized by
a generalized susceptibility typical of strongly correlated metallic systems. This phase separation in metallic
and magnetic insulating regions is argued to occur below T*(x) (220–270 K). Above T* an anomalous decrease
in the intensity of the EPR signal is observed and associated with the delocalization of the electrons which for
T
signal originates from cobalt nuclei in metallic regions with no long range magnetic order and characterized by
a generalized susceptibility typical of strongly correlated metallic systems. This phase separation in metallic
and magnetic insulating regions is argued to occur below T*(x) (220–270 K). Above T* an anomalous decrease
in the intensity of the EPR signal is observed and associated with the delocalization of the electrons which for
T
Tipologia CRIS:
1.1 Articolo in rivista
Elenco autori:
Carretta, Pietro; Mariani, Manuel; C. B., Azzoni; Mozzati, MARIA CRISTINA; I., Bradaric; I., Savic; A., Feher; J., Sebek
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