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- Title
Specific heat and magnetocaloric effect studies in multiferroic YMnO.
- Authors
Kumar Swamy, N.; Pavan Kumar, N.; Reddy, P.; Gupta, Manish; Samatham, S.; Venkateshwarulu, D.; Ganesan, V.; Malik, Vikas; Das, B.
- Abstract
Multiferroic bulk YMnO sample was prepared through the solid state reaction method. After characterizing the sample structurally, a systematic investigation of magnetization and specific heat has been undertaken over a temperature range 2-300 K under different magnetic fields. Based on these studies, it has been found that the sample exhibited a paramagnetic to ferrimagnetic phase transition of spin glass type at ~42 K that could be attributed to spin cantering. The magnetic transition peak seen in the magnetic entropy change versus temperature curves became broader with increasing magnetic field. A large magnetic entropy change of ~1 J mol K was obtained under a magnetic field change of 0-10 T.
- Subjects
MAGNETOCALORIC effects; MULTIFERROIC materials; MANGANESE oxides; YTTRIUM compounds; THIN films; SOLID state chemistry
- Publication
Journal of Thermal Analysis & Calorimetry, 2015, Vol 119, Issue 2, p1191
- ISSN
1388-6150
- Publication type
Academic Journal
- DOI
10.1007/s10973-014-4223-3