Abstract
In layered Sr3YCo4O10.5 + δ-type cobaltites with different oxygen contents, we have observed a first order magnetic phase transition from the high-temperature “ferromagnetic” state to the low-temperature antiferromagnetic state. The transition can be induced by an applied magnetic field. It is accompanied by a significant hysteresis in the magnetic field (∼10 T) and temperature (∼10 K). A decrease and an increase in the yttrium content lead to a purely “ferromagnetic” and antiferromagnetic behavior, respectively.
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Original Russian Text © I.O. Troyanchuk, M.V. Bushinsky, V.M. Dobryanskii, N.V. Pushkarev, 2011, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2011, Vol. 94, No. 12, pp. 930–933.
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Troyanchuk, I.O., Bushinsky, M.V., Dobryanskii, V.M. et al. First-order magnetic phase transition in layered Sr3YCo4O10.5 + δ-type cobaltites. Jetp Lett. 94, 849–852 (2012). https://doi.org/10.1134/S002136401124009X
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DOI: https://doi.org/10.1134/S002136401124009X