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
Source PublicationNANOSCALE
Volume10Issue:21Pages:10123-10129
AbstractDiscovering 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.
KeywordElectron Holography Nanoparticles Configurations Mechanism
Subject AreaCrystallography
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17416
Collection2018专题
Recommended Citation
GB/T 7714
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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