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Magnetic and ferroelectric properties of Zn and Mn co-doped BaTiO3 |
Sangram Keshari Das, Binod Kumar Roul |
Institute of Materials Science, Planetarium Building, Acharaya Vihar, Bhubaneswar-751013, Odisha, India |
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Abstract This paper reports an approach to obtaining multiferroic properties in co-doped (Zn:Mn) BaTiO3 near room temperature. Interestingly, an unusual magnetic hysteresis loop is observed in the co-doped compositions in which the central portion of the loop is squeezed. However, in the composition Ba0.9Zn0.1Ti0.9Mn0.1O3, a broad magnetic hysteresis loop is observed. Such a magnetic effect is attributed to the coexistence of antiferromagnetic and ferromagnetic exchange interactions in the system. The observation of the above type of magnetic properties is likely to be due to the presence of exchange interactions between Mn ions. A lossy-type of ferroelectric hysteresis loop is also observed in co-doped ceramic compositions near room temperature.
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Received: 26 October 2014
Revised: 07 January 2015
Accepted manuscript online:
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PACS:
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77.84.-s
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(Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
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81.05.Mh
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(Cermets, ceramic and refractory composites)
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76.50.+g
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(Ferromagnetic, antiferromagnetic, and ferrimagnetic resonances; spin-wave resonance)
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Corresponding Authors:
Binod Kumar Roul
E-mail: ims@iopb.res.in
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About author: 77.84.-s; 81.05.Mh; 76.50.+g |
Cite this article:
Sangram Keshari Das, Binod Kumar Roul Magnetic and ferroelectric properties of Zn and Mn co-doped BaTiO3 2015 Chin. Phys. B 24 067702
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