Ferromagnetic resonance measurements of (Co/Ni/Co/Pt) multilayers with perpendicular magnetic anisotropy

R. Sbiaa, J. M. Shaw, H. T. Nembach, M. Al Bahri, M. Ranjbar, J. Åkerman, S. N. Piramanayagam

نتاج البحث: المساهمة في مجلةمراجعة النظراء

13 اقتباسات (Scopus)

ملخص

Multilayers of [Co/Ni(t)/Co/Pt]×8 with varying Ni thickness were investigated for possible use as a free layer in magnetic tunnel junctions and spintronics devices. The thickness t of the Ni sub-layer was varied from 0.3 nm to 0.9 nm and the resulting magnetic properties were compared with (Co/Ni) and (Co/Pt) multilayers. As determined from magnetic force microscopy, magnetometry and ferromagnetic resonance measurements, all multilayers exhibited perpendicular magnetic anisotropy. Compared with (Co/Pt) multilayers, the sample with t of 0.9 nm showed almost the same anisotropy field of μ 0 H k = 1.15 T but the damping constant was 40% lower. These characteristics make these multilayers attractive for spin torque based magnetoresistive devices with perpendicular anisotropy.

اللغة الأصليةEnglish
رقم المقال425002
دوريةJournal of Physics D: Applied Physics
مستوى الصوت49
رقم الإصدار42
المعرِّفات الرقمية للأشياء
حالة النشرPublished - سبتمبر 20 2016

ASJC Scopus subject areas

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  • ???subjectarea.asjc.3100.3104???
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بصمة

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