Existence of Griffiths Phase and magnetocaloric effect in electron doped CaGdMnO
Applied Physics A: Materials Science and Processing, ISSN: 1432-0630, Vol: 125, Issue: 11
2019
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Article Description
Occurrence of Griffiths Phase (GP) and magnetocaloric effect have been investigated in CaGdMnO (CGMO). The doping of Gd at Ca site interrupts the long-range antiferromagnetic ordering of the parent sample CaMnO and induces ferromagnetism. Both the Arrott plot study and the estimated Landau coefficients signify that the paramagnetic to ferromagnetic transition is a second-order phase transition at 113 K. GP inhomogeneity is noticed from the analysis of temperature-dependent inverse susceptibility curves. Observed Griffiths Phase behavior is suppressed with increasing magnetic field strength. In addition, the CGMO sample exhibit magneto caloric effect and the maximum magnetic entropy change is found to be 2.525 J kg K for magnetic field change of 50 kOe.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85074158952&origin=inward; http://dx.doi.org/10.1007/s00339-019-3079-6; http://link.springer.com/10.1007/s00339-019-3079-6; http://link.springer.com/content/pdf/10.1007/s00339-019-3079-6.pdf; http://link.springer.com/article/10.1007/s00339-019-3079-6/fulltext.html; https://dx.doi.org/10.1007/s00339-019-3079-6; https://link.springer.com/article/10.1007/s00339-019-3079-6
Springer Science and Business Media LLC
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