NIMTE OpenIR  > 2018专题
Direct observation of dynamical magnetization reversal process governed by shape anisotropy in single NiFe2O4 nanowire
Zhang, Junli; Zhu, Shimeng; Li, Hongli; Zhu, Liu; Hu, Yang; Xia, Weixing; Zhang, Xixiang; Peng, Yong; Fu, Jiecai
2018
发表期刊NANOSCALE
卷号10期号:21页码:10123-10129
摘要Discovering how the magnetization reversal process is governed by the magnetic anisotropy in magnetic nanomaterials is essential and significant to understand the magnetic behaviour of micro-magnetics and to facilitate the design of magnetic nanostructures for diverse technological applications. In this study, we present a direct observation of a dynamical magnetization reversal process in single NiFe2O4 nanowire, thus clearly revealing the domination of shape anisotropy on its magnetic behaviour. Individual nanoparticles on the NiFe2O4 nanowire appear as single domain states in the remanence state, which is maintained until the magnetic field reaches 200 Oe. The magnetization reversal mechanism of the nanowire is observed to be a curling rotation mode. These observations are further verified by micromagnetic computational simulations. Our findings show that the modulation of shape anisotropy is an efficient way to tune the magnetic behaviours of cubic spinel nano-ferrites.
关键词Electron Holography Nanoparticles Configurations Mechanism
学科领域Crystallography
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17416
专题2018专题
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Zhang, Junli,Zhu, Shimeng,Li, Hongli,et al. Direct observation of dynamical magnetization reversal process governed by shape anisotropy in single NiFe2O4 nanowire[J]. NANOSCALE,2018,10(21):10123-10129.
APA Zhang, Junli.,Zhu, Shimeng.,Li, Hongli.,Zhu, Liu.,Hu, Yang.,...&Fu, Jiecai.(2018).Direct observation of dynamical magnetization reversal process governed by shape anisotropy in single NiFe2O4 nanowire.NANOSCALE,10(21),10123-10129.
MLA Zhang, Junli,et al."Direct observation of dynamical magnetization reversal process governed by shape anisotropy in single NiFe2O4 nanowire".NANOSCALE 10.21(2018):10123-10129.
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