Magnetocaloric properties of nanocrystalline LaMnO3: Enhancement of refrigerant capacity and relative cooling power

The magnetocaloric effect in La0.6Ca0.4MnO3 manganite has been investigated. The isothermal magnetization versus applied magnetic field at various temperatures in the vicinity of Curie temperature was measured, and the temperature dependence of magnetic entropy change was determined using Maxwell’s relation. This value is comparable to that in Gd. Nevertheless, the relative cooling power of La0.6Ca0.4MnO3 was shown to be considerably lower than that of Gd. The experimental results have been analyzed in frames of a phenomenological statistical model. This model considers explicitly Jahn-Teller interactions and allows prediction of the field dependences of the magnetic entropy change and the relative cooling power.

Download Full-text

Enhanced relative cooling power of lanthanum-deficiency manganites La0.77−xMg0.23MnO3 (0 ≤ x ≤ 0.2): structural, magnetic and magnetocaloric properties

Journal of Materials Science Materials in Electronics ◽

10.1007/s10854-022-07726-8 ◽

2022 ◽

Author(s):

R. Selmi ◽

W. Cherif ◽

A. R. Sarabando ◽

N. M. Ferreira ◽

L. Ktari

Keyword(s):

Relative Cooling Power ◽

Cooling Power ◽

Magnetocaloric Properties

Download Full-text

Magnetocaloric properties and critical behavior of high relative cooling power FeNiB nanoparticles

Journal of Applied Physics ◽

10.1063/1.4900736 ◽

2014 ◽

Vol 116 (16) ◽

pp. 163918 ◽

Cited By ~ 35

Author(s):

V. Chaudhary ◽

D. V. Maheswar Repaka ◽

A. Chaturvedi ◽

I. Sridhar ◽

R. V. Ramanujan

Keyword(s):

Critical Behavior ◽

Relative Cooling Power ◽

Cooling Power ◽

Magnetocaloric Properties

Download Full-text

Large relative cooling power of Bi-doped La 0.8−x Bi x Sr 0.08 (Ca 0.55 Ba 0.45 ) 0.12 MnO 3 (x=0.0, 0.1 and 0.3) perovskites: Magnetic and magnetocaloric properties

Ceramics International ◽

10.1016/j.ceramint.2017.03.040 ◽

2017 ◽

Vol 43 (9) ◽

pp. 7351-7357 ◽

Cited By ~ 2

Author(s):

Aroosha A. Khan ◽

Uzma Hira ◽

Falak Sher

Keyword(s):

Relative Cooling Power ◽

Cooling Power ◽

Magnetocaloric Properties

Download Full-text

Magnetic and magnetocaloric properties of iron substituted holmium chromite and dysprosium chromite

RSC Advances ◽

10.1039/c5ra24323h ◽

2016 ◽

Vol 6 (12) ◽

pp. 9475-9483 ◽

Cited By ~ 29

Author(s):

Shiqi Yin ◽

Vinit Sharma ◽

Austin McDannald ◽

Fernando A. Reboredo ◽

Menka Jain

Keyword(s):

Magnetic Refrigeration ◽

Relative Cooling Power ◽

Cooling Power ◽

Magnetocaloric Properties

Pure and Fe-doped HoCrO3 and DyCrO3 powders were examined for the magnetocaloric properties with promising relative cooling power (RCP) values indicating their potential for applications in magnetic refrigeration.

Download Full-text