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 SM ISO690:2012LISUNOV, Konstantin, LAIHO, Reino, LASHKUL, Alexander V., LÄHDERANTA, Erkki, PETRENKO, Peter A., NEKRASOVA, Yulia, ZAKHVALINSKII, Vasilii. Influence of phase separation on the low-field magnetic properties of La1−xSrxMn1−yFeyO3. In: Moldavian Journal of the Physical Sciences, 2010, nr. 3-4(9), pp. 257-260. ISSN 1810-648X. |
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| Moldavian Journal of the Physical Sciences | ||||||
| Numărul 3-4(9) / 2010 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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| Pag. 257-260 | ||||||
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The magnetic properties of ceramic La1−xSrxMn1−yFeyO3 samples with x = 0.3 and y = 0.15−0.25 are investigated in magnetic fields of B = 10−103 G at a temperature T between 5−310 K. A ferromagnetic transition at TC, decreasing considerably with y, is accompanied with strong magnetic irreversibility at B = 10 G. The critical behavior of χ (T) ~ (T/TC − 1)−γ is governed at y = 0.15−0.20 by the percolative (γ ≈ 1.8) and Heisenberg (γ ≈ 1.4) spin systems. |
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