Magnetocaloric properties of manganites La1-x(Ag, K)xMnO3статья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The temperature and magnetic-field dependences of the magnetocaloric effect in manganites La1-x Ag (x) MnO3 (x = 0.1; 0.15; 0.2) and La1-x K (x) MnO3 (x = 0.1; 0.11; 0.13; 0.15; 0.175) were studied by a direct method. Large changes in the sample temperature were detected as a magnetic field changed by Delta H = 10 kOe. Temperatures of the magnetocaloric effect maxima are near room temperatures. Field dependences of the magnetocaloric effect show no signs of saturation in fields to 30 kOe.