Magnetic and magnetocaloric properties of 0.5La0.7Ca0.2Sr0.1MnO3/0.5La0.7Te0.3MnO3 composite

Akça, Gönül; Çetin, Selda Kılıç; Ekicibil, Ahmet

doi:10.17776/csj.619932

Cited by 2 publications

(1 citation statement)

References 40 publications

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“…The most important reason for this is the problems encountered in the supply of materials to be used as cooling elements in these systems. The main purpose of studies performed for MR technologies is to find the best candidate material that can be used as a cooling element in applications of these systems operating according to the magnetocaloric effect (MCE) principle [7][8][9][10]. MCE can basically be explained as when a magnetic field is subjected to a magnetic material, the change in the entropy and temperature of the material [11].…”

Section: Introductionmentioning

confidence: 99%

Effects of copper substitution to Mn-site on magnetic and magnetocaloric properties of La0.7Sr0.3Mn1-xCuxO3 manganites

et al. 2022

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In present study, the effects of copper substitution on the magnetic and magnetocaloric properties of La0.7Sr0.3Mn1-xCuxO3 manganite samples were investigated. La0.7Sr0.3Mn1-xCuxO3 samples were obtained by using sol-gel method. X-ray diffraction analyses were performed to determine structural properties such as lattice parameters and crystal structure. The crystal structure of the samples is rhombohedral with space group R3 ̅c. The Cu substitution to the Mn-site causes a decrease in the magnetic phase transition temperature (TC) of the samples. By using Banerjee criterion and Landau theory, the type of magnetic phase transition is determined as second order. From isothermal magnetization measurements, magnetic entropy change (-∆S_M) values were calculated for different magnetic field changes of the samples. The maximum magnetic entropy change value (-∆S_M^max) determined from the temperature dependence of -∆S_M curves for the samples is 3.39 and 2.78 JKg-1K-1 under 5 T, respectively. Relative cooling power (RCP) values of the samples were found as 249.52 and 111.98 Jkg-1 for 5 T, respectively.

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Section: Introductionmentioning

confidence: 99%

Effects of copper substitution to Mn-site on magnetic and magnetocaloric properties of La0.7Sr0.3Mn1-xCuxO3 manganites

et al. 2022

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Large magnetocaloric effect in 0.25(La0.67Ca0.33MnO3 + La0.67Ca0.13Sr0.2Mn0.98Ni0.02O3) /0.5 La0.67Ca0.23Sr0.1Mn0.98Ni0.02O3 composite close to room temperature

et al. 2022

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Magnetic and magnetocaloric properties of 0.5La0.7Ca0.2Sr0.1MnO3/0.5La0.7Te0.3MnO3 composite

Abstract: Magnetic and magnetocaloric properties of 0.5La0.7Ca0.2Sr0.1MnO3/0.5La0.7Te0.3MnO3 composite

Cited by 2 publications

References 40 publications

Effects of copper substitution to Mn-site on magnetic and magnetocaloric properties of La0.7Sr0.3Mn1-xCuxO3 manganites

Effects of copper substitution to Mn-site on magnetic and magnetocaloric properties of La0.7Sr0.3Mn1-xCuxO3 manganites

Large magnetocaloric effect in 0.25(La0.67Ca0.33MnO3 + La0.67Ca0.13Sr0.2Mn0.98Ni0.02O3) /0.5 La0.67Ca0.23Sr0.1Mn0.98Ni0.02O3 composite close to room temperature

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