Sizable magnetic entropy change in bismuth-substituted La0.75Bi0.1Na0.15MnO3 manganite

Author:

Mendonca Lozil Denzil1ORCID,Murari M. S.2,Daivajna Mamatha D3ORCID

Affiliation:

1. Department of Physics, Manipal Institute of Technology, MAHE, Manipal, Karnataka 576104, India

2. DST PURSE Program, Mangalore University, Mangalagangotri, Mangalore, Karnataka 574199, India

3. Department of Physics, Manipal Institute of Technology Bengaluru, Manipal Academy of Higher Education, Manipal, 576104, India

Abstract

The sample La0.75Bi0.1Na0.15MnO3 exhibits large ΔSMaxm of 4.4 J kg−1 K−1 near room temperature (RT) at low field of 1.5 T (LF). The coexistence of long and short-range interactions leading to first order like phase transition is responsible for LFRT magnetic entropy change.

Funder

UGC-DAE Consortium for Scientific Research, University Grants Commission

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Reference113 articles.

1. C. N.-R.Rao and B.Raveau , Colossal Magnetoresistance, Charge Ordering and Related Properties of Manganese Oxides , World Scientific , Singapore , 1998

2. N. F.Atta , A.Galal and E. H.El-Ads , in Perovskite Nanomaterials–Synthesis, Characterization, and Applications , ed. L. Pan and G. Zhu , InTech , First Edition, Croatia , 2016 , 4, pp. 107–151

3. Review of magnetocaloric effect in perovskite-type oxides

4. Recent developments in magnetocaloric materials

5. Magnetische Untersuchungen

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