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- Title
Efros-Shklovskii law and localized states in weakly doped lanthanum manganites.
- Authors
Solin, N. I.
- Abstract
The existence of clusters in weakly doped lanthanum manganites at temperatures about twice as high as their Curie temperature T has been shown. Electrical resistance in weakly doped lanthanum manganites obeys the Efros-Shklovskii law. The temperature and magnetic-field dependences of a cluster size determined from the magnetotransport properties have been described using the model of phase separation into small metallic droplets within the dielectric paramagnetic and antiferromagnetic matrices. The results agree with the existence of the Griffiths phase.
- Subjects
LANTHANUM compounds; MANGANITE; CURIE temperature; ELECTRIC resistance; MAGNETIC fields
- Publication
JETP Letters, 2010, Vol 91, Issue 12, p675
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S002136401012012X