Abstract
Abstract The effect of slight changes of the chemical composition on Magneto-caloric properties of manganite was investigated on a series of ceramic nano-particles of La0.6-xGdxSr0.4MnO3 (x = 0, 0.0125, 0.05, 0.10) where they synthesized using the Sol-gel method. The X-ray powder diffraction data and the Rietveld refinement analysis indicated that the gradual replacement of La with Gd reduced the cell volume acting in a comparable manner to applying external pressure. Similarly, the magnetization measurements as a function of temperature on all La0.6-xGdxSr0.4MnO3 samples showed a ferromagnetic transition, in which the transition temperature reduced as x increased. The calculated magnetic entropies of all samples of La0.6-xGdxSr0.4MnO3 as a function of temperature suggest a magneto-caloric effect similar to that of pure Gd. These results provide evidence that La0.6-xGdxSr0.4MnO3 compounds have a potential for magnetic refrigeration application.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
