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Magnetization reversal in antiferromagnetically coupled [Pt/CoFeB]N1/Ru/[CoFeB/Pt]N2 structures with perpendicular anisotropy
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10.1063/1.4797474
/content/aip/journal/jap/113/17/10.1063/1.4797474
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4797474
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The dependence of interlayer coupling field on the Ru thickness . The inset shows a representative perpendicular magnetic hysteresis loop for an antiferromagnetically coupled SAF structure of [Pt(1.5)/CoFeB(0.46)]/Ru(0.45)/[CoFeB(0.46)/Pt(1.5)] measured at room temperature.

Image of FIG. 2.
FIG. 2.

Room temperature perpendicular magnetic hysteresis loops for [Pt(1.5)/CoFeB(0.69)]/Ru(0.60)/[CoFeB(0.69)/Pt(1.5)], where N1 = 2, 3, and 5. The red and black arrows indicate the magnetization directions of the lower (FM1) and upper (FM2) multilayers, respectively.

Image of FIG. 3.
FIG. 3.

(a) Normalized out-of-plane hysteresis loops for samples of [Pt(1.5)/CoFeB(0.46)]/Ru(0.45)/[CoFeB(0.46)/Pt(1.5)], where N = 2, 3, and 7. (b) The AF coupling field as a function of the repetition number N. (c) The MFM images showing the remanent magnetic domain structures of samples [Pt(1.5)/CoFeB(0.46)]/Ru(0.45)/[CoFeB(0.46)/Pt(1.5)], with N = 3, 6, and 7 after out-of-plane saturation.

Image of FIG. 4.
FIG. 4.

Perpendicular magnetic hysteresis loops of [Pt(1.5)/CoFeB(0.46)]/Ru(0.45)/[CoFeB(0.46)/Pt(1.5)] measured at various temperatures. The inset shows the temperature dependence of the coupling field .

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/content/aip/journal/jap/113/17/10.1063/1.4797474
2013-03-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetization reversal in antiferromagnetically coupled [Pt/CoFeB]N1/Ru/[CoFeB/Pt]N2 structures with perpendicular anisotropy
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4797474
10.1063/1.4797474
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