Tuning the magnetic and magnetocaloric properties of a compound via mixing (1–x).La0.67Ca0.33MnO3 +x.La0.67Sr0.33MnO3 (x = 0, 0.25, 0.50, 0.75, 1): Composite materials or composite compounds?

Coşkun, Atilla; Irmak, A.E.; Altan, Barış; Ak, Yavuz Selim; Coşkun, Arıçtan Tulga

doi:10.1016/j.jmmm.2023.171104

Cited by 3 publications

(3 citation statements)

References 43 publications

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“…The remarkable discovery of MCE properties in pure Gd by Brown has been used as the standard reference for ideal MCE materials until now. 16,23,26,27,63,64 According to a summary by Phan and Yu, the ideal criteria for MCE materials for magnetic refrigerator applications include several aspects listed as follows: 4…”

Section: Fundamental Aspectsmentioning

confidence: 99%

“…According to previous studies, MCE materials can be classified into three categories consist of metals, ceramics, and composites. 1,4,5,19,22,31,35,59,64 For more details, the classifications of metals and ceramics are summarized in Table 1. However, in this section, we will also explain the development of challenges and efforts to achieve MRT applications in the future in general for all existing alternative materials.…”

Section: Challenges and Various Types Of Mce Materials For Future App...mentioning

confidence: 99%

“…However, when processing experimental −Δ S M data, most researchers use the discrete version of eqn (7). 64 Additionally, it can also be calculated using the equation derived from Landau theory, which is obtained from the relationship between entropy and the Landau theory derivative to temperature, as follows:Fig. 8(F) presents the results of the calculation of magnetic entropy change from the study by Munazat et al 16 Thus, all the MCE materials discussed here will be summarized in Table 2, which contains important parameters for the MCE properties of the material.…”

Section: Analysis Of Magnetic Properties and Magnetocaloric Data Of P...mentioning

confidence: 99%

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The magnetocaloric effect properties for potential applications of magnetic refrigerator technology: a review

Nehan,

Vitayaya,

Munazat

et al. 2024

Phys. Chem. Chem. Phys.

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Section: Fundamental Aspectsmentioning

confidence: 99%

Section: Challenges and Various Types Of Mce Materials For Future App...mentioning

confidence: 99%

Section: Analysis Of Magnetic Properties and Magnetocaloric Data Of P...mentioning

confidence: 99%

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The magnetocaloric effect properties for potential applications of magnetic refrigerator technology: a review

Nehan,

Vitayaya,

Munazat

et al. 2024

Phys. Chem. Chem. Phys.

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Optimizing the curie temperature of La0.67Sr0.33MnO3–based composite materials around room temperature through the addition of Mo, Mn, and Ni metallic elements

Ak,

Coşkun,

Çetin

et al. 2024

J Mater Sci: Mater Electron

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Our study sheds light on the role of secondary phases in optimizing the magnetic properties of LSMO, offering valuable insights into the relationship between impurity phases, Curie temperature (TC), and magnetic entropy change. To achieve this goal, the Mn, Ni, and Mo elements were individually incorporated into the LSMO matrix to the formation of secondary phases. The solid-state reaction method was employed to create composite materials of (0.8)La0.67Sr0.33MnO3 + (0.2)A (A=Mn, Ni, and Mo). XRD and SEM results confirmed the successful formation of impurity phases within the main LSMO phase. From temperature-dependent magnetization (M(T)) measurements, it was determined that the TC of the samples approach towards room temperature with the existence of impurity phases. Additionally, the relationship between electron bandwidth (W) and TC was examined. The lowest TC value was observed for the lowest value of W. Besides these, the effect of the formation of impurity phases on the maximum magnetic entropy change ($$-\Delta {S}_{M}^{max}$$ - Δ S M max ) value is examined, and it is seen that impurity phases cause a decrease in the $$(-\Delta {S}_{M}^{max})$$ ( - Δ S M max ) values.

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EXPLORING THE INFLUENCE OF B-SITE DOPANTS ON STRUCTURAL AND MAGNETIC PROPERIES IN La0.8Ag0.2Mn1-XCoxO3 (x: 0 and 0.1) COMPOUNDS

Altan,

Ak,

Coşkun

2024

Usak University Journal of Engineering Sciences

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This study examines the structural, electrical, magnetic, and magnetocaloric properties of La0.8Ag0.2Mn0.9A0.1O3 (A: Mn, and Co) compounds under doping in the B-site. XRD results show that the compound containing Co ions directly replaced Mn ions in the B-site without forming a secondary phase containing higher metallic Ag impurities. The data obtained using Scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS), the temperature dependence of magnetization (M-T), the magnetic field dependence of magnetization (M-H), and the magnetic entropy change (SM) analysis reveal the effect of the doped element on the magnetic properties of the compounds due to the changes they create in the structural and Mn3+/Mn4+ ratio. It has been determined that the paramagnetic to ferromagnetic transition temperature (Curie temperature, TC) of the La0.8Ag0.2Mn0.9Co0.1O3 (LAMO-Co) is quite lower than the LAMO.

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Tuning the magnetic and magnetocaloric properties of a compound via mixing (1–x).La0.67Ca0.33MnO3 +x.La0.67Sr0.33MnO3 (x = 0, 0.25, 0.50, 0.75, 1): Composite materials or composite compounds?

Cited by 3 publications

References 43 publications

The magnetocaloric effect properties for potential applications of magnetic refrigerator technology: a review

The magnetocaloric effect properties for potential applications of magnetic refrigerator technology: a review

Optimizing the curie temperature of La0.67Sr0.33MnO3–based composite materials around room temperature through the addition of Mo, Mn, and Ni metallic elements

EXPLORING THE INFLUENCE OF B-SITE DOPANTS ON STRUCTURAL AND MAGNETIC PROPERIES IN La0.8Ag0.2Mn1-XCoxO3 (x: 0 and 0.1) COMPOUNDS

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