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

被引：16
作者：
Kambhala, Nagaiah [1 ]
Chen, Miaoxiang [2 ]
Li, Peng [3 ]
Zhang, Xi-xiang [3 ]
Rajesh, Desapogu [4 ]
Bhagyashree, K. S. [5 ]
Goveas, Lora Rita [5 ]
Bhat, S. V. [5 ]
Kumar, P. Anil [6 ]
Mathieu, Roland [6 ]
Angappane, S. [1 ]
机构：
[1] Ctr Nano & Soft Matter Sci, Bangalore 560013, Karnataka, India
[2] King Abdullah Univ Sci & Technol, Adv Nanofabricat Imaging & Characterizat Core Lab, Thuwal 239955, Saudi Arabia
[3] King Abdullah Univ Sci & Technol, Mat Sci & Engn, Thuwal 239955, Saudi Arabia
[4] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India
[5] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
[6] Uppsala Univ, Dept Engn Sci, SE-75121 Uppsala, Sweden
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2016年 / 406卷
基金：
瑞典研究理事会;
关键词：
CMR; Manganites; Phase separation; Electron spin resonance; ELECTRON-SPIN-RESONANCE; TRANSPORT-PROPERTIES; MAGNETIC-PROPERTIES; EXCHANGE BIAS; MAGNETORESISTANCE; SUBSTITUTION; DEPENDENCE; TRANSITION; MANGANITE; CLUSTERS;
D O I：
10.1016/j.jmmm.2015.12.084
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
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页码：22 / 29
页数：8
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