Effect of magnetic field on domain-wall structures in two antiferromagnetically coupled Co∕Pt multilayers

Effect of magnetic field on domain-wall structures in two antiferromagnetically coupled Co∕Pt multilayers
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DOI:
10.1063/1.2962990
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发表时间:
2008-07
影响因子:
4
通讯作者:
Zhiwei Liu;N. Li;F. Zhang;Bo Xu;Julong He;D. L. Yu;Yongjun Tian;G. Yu
Zhiwei Liu;N. Li;F. Zhang;Bo Xu;Julong He;D. L. Yu;Yongjun Tian;G. Yu
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Zhiwei Liu;N. Li;F. Zhang;Bo Xu;Julong He;D. L. Yu;Yongjun Tian;G. Yu

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In antiferromagnetically coupled [Pt(5A)∕Co(4A)]4∕NiO(11A)∕[Co(4A)∕Pt(5A)]4 multilayer with perpendicular anisotropy, net ferromagnetic stripes are created in demagnetized state between the relatively shifted domain walls in the two Co∕Pt multilayers owing to the competition between magnetostatic and exchange energies. With an external field applied antiparallel to the wall magnetization, involvement of Zeeman energy of net ferromagnetic stripes in the competition makes the net ferromagnetic stripes shrink, and the stripe width varies with field in an inversely proportional way in the low field range.