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- Title
([sup 139]La,[sup 55]Mn) NMR and Magnetic Susceptibility Data on Microscopic Phase Separation in La[sub 0.9]MnO[sub 3] Single Crystal.
- Authors
Mikhalev, K. N.; Lekomtsev, S. A.; Gerashchenko, A. P.; Arkhipov, V. E.; Korolev, A. V.; Mukovskiı, Ya. M.; Arsenov, A. A.
- Abstract
Magnetic susceptibility of the La[sub 0.9]MnO[sub 3] single crystal was measured and its ([sup 139]La,[sup 55]Mn) NMR spectra were recorded. The data obtained indicate that the areas with an A-type antiferromagnetic order (T[sub N] = 140 K) and magnetic moments aligned with the b axis occupy a major part of the sample volume in manganite with a considerable concentration of cationic vacancies; simultaneously, the clusters with a canted magnetic sublattice and ferromagnetic interaction between magnetic moments are formed near the vacancies. Charge distribution in these clusters is materially different from that in the antiferromagnetic areas. Magnetic state and relative concentration of the clusters are discussed. © 2000 MAIK “Nauka / Interperiodica”.
- Subjects
MAGNETIC susceptibility measurement; CRYSTALS; NUCLEAR magnetic resonance
- Publication
JETP Letters, 2000, Vol 72, Issue 12, p599
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1351198