Investigation of Low Field Magnetocaloric Effect in La0.7Ca0.3-xSrxMnO3 Prepared by Sol-Gel Method

被引：0

作者：

Cha, J. C. ^{[1
,3
]}

Jon, J. H. ^{[2
]}

Li, F. H. ^{[3
]}

Ri, G. W. ^{[4
]}

机构：

[1] Kim Hyong Jik Normal Univ, Dept Phys, Pyongyang 999093, North Korea

[2] Pyongyang Univ Mech Engn, Dept Informat Engn, Pyongyang 999093, North Korea

[3] Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China

[4] Univ Sci, Dept Math, Pyongyang 999093, North Korea

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2023年 / 97卷 / 05期

关键词：

magnetocaloric effect; entropy change; manganites; magnetic refrigeration; phenomenological model; MAGNETIC ENTROPY CHANGE; PREDICTION; MANGANITE;

D O I：

10.1134/S0036024423050060

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The magnetocaloric effect of the mixed manganites La0.7Ca0.3- x SrxMnO3 (x = 0.05, 0.07, and 0.10) prepared by sol-gel method have been investigated. Using Hamad's phenomenological model, we have estimated the important magnetocaloric properties such as the magnetic entropy change and the relative cooling power. Our work shows that Curie temperature and the relative cooling power of La0.7Ca0.3-X SrxMnO(3) manganites increase with increasing Sr content, while maximum magnetic entropy change decrease slightly. Tunable Curie temperature and considerable magnetocaloric effect in these manganites are advantageous for applications in sub-room and near-room-temperature magnetic refrigeration.

引用

页码：1046 / 1051

页数：6

共 29 条

[1] Magnetocaloric properties of La0.67Sr0.33MnO3 tunable by particle size and dimensionality [J].

Baaziz, H. ;

Tozri, A. ;

Dhahri, E. ;

Hlil, E. K. .

CHEMICAL PHYSICS LETTERS, 2018, 691 :355-359

[2] Screening of the synthesis route on the structural, magnetic and magnetocaloric properties of La0.6Ca0.2Ba0.2MnO3 manganite: A comparison between solid-solid state process and a combination polyol process and Spark Plasma Sintering [J].

Ben Khlifa, H. ;

Ayadi, F. ;

M'nassri, R. ;

Cheikhrouhou-Koubaa, W. ;

Schmerber, G. ;

Cheikhrouhou, A. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2017, 712 :451-459

[3] Preparation of La0.7Ca0.3-xSrxMnO3 Manganites by Four Synthesis Methods and Their Influence on the Magnetic Properties and Relative Cooling Power [J].

Botello-Zubiate, Maria E. ;

Grijalva-Castillo, Maria C. ;

Soto-Parra, Daniel ;

Saenz-Hernandez, Renee J. ;

Santillan-Rodriguez, Carlos R. ;

Matutes-Aquino, Jose A. .

MATERIALS, 2019, 12 (02)

[4] Magnetocaloric Effect in Perovskite Manganite La0.67-x Eu x Sr0.33MnO3 [J].

Dhahri, N. ;

Abassi, Mounira ;

Hlil, E. K. ;

Dhahri, J. .

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2015, 28 (09) :2795-2799

[5] Prediction of magnetocaloric effect in La0.6Ca0.4-xSrxMnO3 compounds for x=0, 0.05 and 0.4 with phenomenological model [J].

Gharsallah, H. ;

Bejar, M. ;

Dhahri, E. ;

Hlil, E. K. ;

Bessais, L. .

CERAMICS INTERNATIONAL, 2016, 42 (01) :697-704

[6] Prediction of thermomagnetic properties of La0.67Ca0.33MnO3 and La0.67Sr0.33MnO3 [J].

Hamad, Mahmoud Aly .

PHASE TRANSITIONS, 2012, 85 (1-2) :106-112

[7] Critical behavior investigated through magnetocaloric effect in PrSrMnO and Pr(Sr,Ca)MnO manganites [J].

Hsini, M. ;

Ghivelder, L. ;

Parisi, F. .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2021, 535

[8] Giant magneto-caloric effect around room temperature at moderate low field variation in La0.7(Ca1-xSrx)0.3MnO3 perovskites [J].

Islam, M. S. ;

Hanh, D. T. ;

Khan, F. A. ;

Hakim, M. A. ;

Minh, D. L. ;

Hoang, N. N. ;

Hai, N. H. ;

Chau, N. .

PHYSICA B-CONDENSED MATTER, 2009, 404 (16) :2495-2498

[9] Magnetocaloric properties in the Cr-doped La0.7Sr0.3MnO3 manganites [J].

Kallel, Nabil ;

Kallel, Sami ;

Hagaza, Ahmed ;

Oumezzine, Mohamed .

PHYSICA B-CONDENSED MATTER, 2009, 404 (02) :285-288

[10] Phenomenological modeling of magnetic and magnetocaloric properties in rare earth doped La0.8Ca0.2MnO3 [J].

Khlifi, M. ;

Dhahri, Kh ;

Dhahri, J. ;

Dhahri, E. ;

Hlil, E. K. .

PHASE TRANSITIONS, 2019, 92 (04) :411-418

← 1 2 3 →