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

被引：17

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.

引用

页码：22 / 29

页数：8

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