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Magnetocaloric effect in sandwich structures of La1–xKxMnO3 manganites


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This paper reports on the results of the investigation into the magnetocaloric properties of sandwich structures of La1–xKxMnO3 manganites with x = 0.11 (LKM11), 0.13 (LKM13), and 0.15 (LKM15) in magnetic fields of up to 18 kOe. The results of the analysis of the field and temperature dependences of the magnetocaloric effect in the structures LKM11 + LKM13 and LKM13 + LKM15 have demonstrated that the use of sandwich structures increases the efficiency of magnetic cooling in a magnetic field of 18 kOe by 45%.

Sobre autores

A. Gamzatov

Amirkhanov Institute of Physics

Autor responsável pela correspondência
Email: gamzatov_adler@mail.ru
Rússia, ul. Yagarskogo 94, Makhachkala, Dagestan, 367003

A. Aliev

Amirkhanov Institute of Physics

Email: gamzatov_adler@mail.ru
Rússia, ul. Yagarskogo 94, Makhachkala, Dagestan, 367003

I. Kamilov

Amirkhanov Institute of Physics

Email: gamzatov_adler@mail.ru
Rússia, ul. Yagarskogo 94, Makhachkala, Dagestan, 367003

A. Kaul’

Moscow State University

Email: gamzatov_adler@mail.ru
Rússia, Moscow, 119991

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