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Exchange bias effect and large coercivity enhancement in SrRuO3/NiO multilayer
X. K. Ning; Z. J. Wang; Z. D. Zhang
2013
Source PublicationJournal of Physics D-Applied Physics
ISSN0022-3727
Volume46Issue:45
AbstractMagnetic multilayers consisting of itinerant ferromagnetic SrRuO3 (SRO) and antiferromagnetic NiO were pulse-laser deposited on (0 0 1) SrTiO3 substrates. After small-field cooling, enhancements from both the unconventional exchange bias (EB) and the large coercive field were observed in the multilayers. Coercivity values for the in-plane hysteresis loop increased by almost 50 times in comparison with a pure SRO film. The maximum value of the bias moment in the minor loop and the EB field can be achieved in different cooling fields. Moreover, hysteresis indicates a two-step magnetization reversal. We speculate that a pinned layer exists at the SRO/NiO interface producing magnetic regions that pin the ferromagnetic SRO layer.
description.department[ning, xingkun ; wang, zhanjie ; zhang, zhidong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; ning, xk (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; wangzj@imr.ac.cn
KeywordBilayers Superlattices
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71418
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. K. Ning,Z. J. Wang,Z. D. Zhang. Exchange bias effect and large coercivity enhancement in SrRuO3/NiO multilayer[J]. Journal of Physics D-Applied Physics,2013,46(45).
APA X. K. Ning,Z. J. Wang,&Z. D. Zhang.(2013).Exchange bias effect and large coercivity enhancement in SrRuO3/NiO multilayer.Journal of Physics D-Applied Physics,46(45).
MLA X. K. Ning,et al."Exchange bias effect and large coercivity enhancement in SrRuO3/NiO multilayer".Journal of Physics D-Applied Physics 46.45(2013).
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