Exchange bias in two-step artificially grown one-dimensional hybrid Co-BiFeO3core-shell nanostructures

	Exchange bias in two-step artificially grown one-dimensional hybrid Co-BiFeO3core-shell nanostructures
	Ali, S.S.; Li, W.J.; Javed, K.; Shi, D.W.; Riaz, S.; Zhai, G.J.; Han, X.F.
刊名	Nanotechnology
	2015
卷号	27 期号:4
ISSN号	09574484
英文摘要	One-dimensional core-shell nanostructures consisting of a ferromagnetic cobalt core and a multiferroic BiFeO3(BFO) shell were fabricated by an artificial two-step methodology. The coupling between the ferromagnetic core and multiferroic shell manifests a significant exchange bias effect which gives a clear demonstration of the anti-ferromagnetic functionality of the BFO shell material. Exchange biases of 30 Oe and 60 Oe are observed at 300 K and at 5 K, respectively. Superparamagnetic contributions at lower temperatures play an important role in contributing to overall magnetic behavior. Dominant shape anisotropy causes parallel alignment of the easy magnetization axis along the axis of core-shell nanowires. A coherent mode of the magnetization reversal mechanism is observed by the angular dependence of coercivity (Hc). This versatile two-step methodology can be employed to fabricate and investigate many other hybrid nanostructures leading to a vast scope of investigation for researchers. © 2016 IOP Publishing Ltd.
收录类别	EI
语种	英语
公开日期	2016-03-01
内容类型	期刊论文
源URL	[http://ir.nssc.ac.cn/handle/122/5263]
专题	国家空间科学中心_空间技术部
推荐引用方式 GB/T 7714	Ali, S.S.,Li, W.J.,Javed, K.,et al. Exchange bias in two-step artificially grown one-dimensional hybrid Co-BiFeO3core-shell nanostructures[J]. Nanotechnology,2015,27(4).
APA	Ali, S.S..,Li, W.J..,Javed, K..,Shi, D.W..,Riaz, S..,...&Han, X.F..(2015).Exchange bias in two-step artificially grown one-dimensional hybrid Co-BiFeO3core-shell nanostructures.Nanotechnology,27(4).
MLA	Ali, S.S.,et al."Exchange bias in two-step artificially grown one-dimensional hybrid Co-BiFeO3core-shell nanostructures".Nanotechnology 27.4(2015).