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- Title
Giant dielectric susceptibility and magnetocapacitance effect in manganites at room temperature.
- Authors
Mamin, R. F.; Egami, T.; Marton, Z.; Migachev, C. A.; Sadykov, M. F.
- Abstract
Extremely high values of the relative permittivity up to 107 and the magnetocapacitance up to 105% have been found in La1 − x Sr x MnO3 single crystals ( x = 0.1, 0.11). These phenomena are observed even at room temperature. The observed behavior can be a consequence of the strong interaction among charge, spin, and lattice degrees of freedom, which leads to charge and phase separation in the regime before the percolation threshold.
- Subjects
MANGANITE; DIELECTRICS; PERMITTIVITY; CRYSTALS; TEMPERATURE; PERCOLATION
- Publication
JETP Letters, 2008, Vol 86, Issue 10, p643
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364007220067