Effect of isothermal crystallization in antiferromagnetic IrMn on the formation of spontaneous exchange bias
Effect of isothermal crystallization in antiferromagnetic IrMn on the formation of spontaneous exchange bias
复制标题
反铁磁IrMn等温结晶对自发交换偏压形成的影响
DOI:
10.1063/5.0053339
复制
发表时间:
2021-06
影响因子:
4
通讯作者:
Run-Wei Li
中科院分区:
文献类型:
--
作者:
Bo Liu;Baomin Wang;Tongxin Nie;Yali Xie;Huali Yang;Gengfei Li;Jianguo Pan;Run-Wei Li
Recently, a spontaneous exchange bias (SEB) driven by the isothermal crystallization of the antiferromagnetic IrMn layer has been reported in IrMn/FeCo bilayer. However, the key factors to determine the magnitude of SEB have not been clearly understood yet. Here, we investigate the effect of isothermal crystallization in IrMn layer on the formation of SEB in IrMn/CoFeB bilayer through preparing the samples with different degrees of isothermal crystallization in IrMn layer. The SEB is negligible in the sample with more structure-stable IrMn layer, confirming that the isothermal crystallization of IrMn plays a crucial role in the formation of SEB. However, the SEB field does not change significantly with the free-relaxation time of IrMn/CoFeB bilayers or IrMn layer. These results indicate that a slight degree of isothermal crystallization in IrMn layer is sufficient to induce a large SEB in IrMn/CoFeB bilayer. Our results not only confirm the newly reported SEB driven by the isothermal crystallization in IrMn layer but also clarify the key factor to control the magnitude of SEB.
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影响因子:
4.6
作者:
Kohn, A.;Kovacs, A.;Fan, R.;McIntyre, G. J.;Ward, R. C. C.;Goff, J. P.
通讯作者:
Goff, J. P.
影响因子:
2.7
作者:
I. Schuller;R. Morales;X. Batlle;U. Nowak;G. Güntherodt
通讯作者:
I. Schuller;R. Morales;X. Batlle;U. Nowak;G. Güntherodt
影响因子:
4
作者:
Miltényi, P;Gierlings, M;Schuller, IK
通讯作者:
Schuller, IK
影响因子:
4
作者:
Joo-Von Kim;R. Stamps
通讯作者:
Joo-Von Kim;R. Stamps
影响因子:
41.2
作者:
Migliorini, A.;Kuerbanjiang, B.;Prieto, J. L.
通讯作者:
Prieto, J. L.