Quantitative imaging of the magnetic field distribution in an artificial spin ice studied by off-axis electron holography
Quantitative imaging of the magnetic field distribution in an artificial spin ice studied by off-axis electron holography
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通过离轴电子全息术研究人造自旋冰中磁场分布的定量成像
DOI:
10.1016/j.jmmm.2021.168535
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发表时间:
2022
影响因子:
2.7
通讯作者:
R E Dunin-Borkowski
中科院分区:
文献类型:
--
作者:
T Weßels;A Kovács;S Gliga;S Finizio;J Caron;R E Dunin-Borkowski
The magnetic state, including the stray fields, of a chiral pattern of interacting permalloy nanomagnets is studied using off-axis electron holography in the transmission electron microscope. The projected in-plane magnetisation of the nanomagnets is reconstructed from the experimental magnetic phase shift using model-based iterative reconstruction. The thickness and chemical composition of the nanomagnets are characterised in cross-sectional geometry. The average value of the magnetic polarisation of the permalloy through the thickness of the sample is measured to be 0.73 T. This value is lower than the bulk value of 1 T, likely as a result of a combination of the microstructure, composition and possible oxidation of the nanomagnets. The experimental results are compared to micromagnetic simulations to confirm the magnetic states and to understand the switching processes in the magnetic nanoislands.
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影响因子:
18.3
作者:
N. Shibata;S. Findlay;Takao Matsumoto;Y. Kohno;T. Seki;G. Sánchez-Santolino;Y. Ikuhara
通讯作者:
N. Shibata;S. Findlay;Takao Matsumoto;Y. Kohno;T. Seki;G. Sánchez-Santolino;Y. Ikuhara
影响因子:
17.1
作者:
Li, Yue;Paterson, Gary W.;Stamps, Robert L.
通讯作者:
Stamps, Robert L.
DOI:
--
发表时间:
2012
期刊:
Reports on progress in physics. Physical Society
影响因子:
--
作者:
Xuemei Cheng;David Keavney
通讯作者:
David Keavney
影响因子:
8.6
作者:
Song, Dongsheng;Li, Zi-An;Dunin-Borkowski, Rafal E.
通讯作者:
Dunin-Borkowski, Rafal E.
DOI:
10.1088/0953-8984/28/40/403001
发表时间:
2016
期刊:
Journal of Physics: Condensed Matter
影响因子:
--
作者:
J. Zweck
通讯作者:
J. Zweck