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Study of coexisting phases in Bi doped La0.67Sr0.33MnO3
Ctr Nano & Soft Matter Sci, Bangalore 560013, Karnataka, India..
King Abdullah Univ Sci & Technol, Adv Nanofabricat Imaging & Characterizat Core Lab, Thuwal 239955, Saudi Arabia..
King Abdullah Univ Sci & Technol, Mat Sci & Engn, Thuwal 239955, Saudi Arabia..
King Abdullah Univ Sci & Technol, Mat Sci & Engn, Thuwal 239955, Saudi Arabia..
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2016 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 406, 22-29 p.Article in journal (Refereed) Published
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Text
Abstract [en]

We report the remarkable phase separation behavior in La0.67Sr0.33MnO3 doped with Bi3+ ion at La site. The temperature dependent resistivity and magnetization of La0.67-xBixSr0.33MnO3 (x>0) show the presence of phase separation of ferromagnetic metallic and charge ordered antiferromagnetic insulating phases. Markedly, the field dependant magnetization studies of La0.67-xBixSr0.33MnO3 (x=0.3) show the metamagnetic nature of ferromagnetic metallic state implying the competition of coexisting ferromagnetic metallic and charge ordered antiferromagnetic phases. The electron spin resonance and exchange bias studies of La0.67-xBixSr0.33MnO3 (x=0.4 and 0.5) substantiate the coexistence of ferromagnetic clusters in antiferromagnetic matrix.

Place, publisher, year, edition, pages
2016. Vol. 406, 22-29 p.
Keyword [en]
CMR, Manganites, Phase separation, Electron spin resonance
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-279544DOI: 10.1016/j.jmmm.2015.12.084ISI: 000369230100004OAI: oai:DiVA.org:uu-279544DiVA: diva2:908503
Funder
Swedish Research Council
Available from: 2016-03-02 Created: 2016-03-02 Last updated: 2017-11-30Bibliographically approved

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Kumar, P. AnilMathieu, Roland

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