Archive: 2010 - Moldavian Journal of the Physical Sciences

05 Dec 2010

2010
V. 9
3-4
(p.257 - 260)

Influence of phase separation on the low-field magnetic properties of La1−xSrxMn1−yFeyO3

Authors:

Lisunov, Constantin; Laiho, Reino; Lashkul, Alexander V.; Lähderanta, Erkki; Petrenko, Piotr; Nekrasova, Yu.; Zakhvalinskii, V.

Summary:

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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BibTeX

@article{ibn_107922,
author = {Lisunov, C.G. and Laiho, R. and Lashkul, A. and Lähderanta, E.M. and Petrenko, P.A. and Nekrasova, Y.S. and Zakhvalinskii, V.S.},
title = {<p>Influence of phase separation on the low-field magnetic properties of La1&minus;xSrxMn1&minus;yFeyO3</p>},
journal = {Moldavian Journal of the Physical Sciences},
year = {2010},
volume = {9 (3-4)},
pages = {257-260},
month = {Dec},
abstract = {(EN) <p>The magnetic properties of ceramic La1&minus;xSrxMn1&minus;yFeyO3 samples with x = 0.3 and y = 0.15&minus;0.25 are investigated in magnetic fields of B = 10&minus;103 G at a temperature T between 5&minus;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 &chi; (T) ~ (T/TC &minus; 1)&minus;&gamma; is governed at y = 0.15&minus;0.20 by the percolative (&gamma; &asymp; 1.8) and Heisenberg (&gamma; &asymp; 1.4) spin systems.</p>},
url = {https://ibn.idsi.md/vizualizare_articol/107922},
}

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“ ... ”

SM ISO690:2012

LISUNOV, Konstantin; LAIHO, Reino; LASHKUL, Alexander V.; LÄHDERANTA, Erkki; PETRENKO, Piotr; NEKRASOVA, Yu.; ZAKHVALINSKII, V.. 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.