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Study of coexisting phases in Bi doped La0.67Sr0.33MnO3

Kambhala, Nagaiah and Chen, Miaoxiang and Li, Peng and Zhang, Xi-xiang and Rajesh, Desapogu and Bhagyashree, KS and Goveas, Lora Rita and Bhat, SV and Kumar, Anil P and Mathieu, Roland and Angappane, S (2016) Study of coexisting phases in Bi doped La0.67Sr0.33MnO3. In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 406 . pp. 22-29.

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Official URL: http://dx.doi.org/10.1016/j.jmmm.2015.12.084

Abstract

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. (C) 2016 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Keywords: CMR; Manganites; Phase separation; Electron spin resonance
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 04 Mar 2016 05:50
Last Modified: 04 Mar 2016 05:50
URI: http://eprints.iisc.ac.in/id/eprint/53385

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