Experimental studies of the switching properties of synthetic antiferromagnetic (SAF) media

Wachenschwanz, D.; Malhotra, S.S.; Stafford, D.; Shan, Z. S.; Bertero, G.

doi:10.1109/tmag.2002.802852

IEEE Trans. Magn.

2002

DOI: 10.1109/tmag.2002.802852

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Experimental studies of the switching properties of synthetic antiferromagnetic (SAF) media

D. Wachenschwanz¹,

S.S. Malhotra²,

D. Stafford³

et al.

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Cited by 3 publications

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Effects of inserting thin Co Layers on the magnetic and reversal properties of synthetic antiferromagnetically coupled media

Shan¹,

Malhotra²,

Stafford³

et al. 2002

Journal of Applied Physics

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Articles you may be interested inPerpendicular magnetic tunnel junctions with synthetic antiferromagnetic pinned layers based on [Co/Pd] multilayers J. Appl. Phys. 113, 17B909 (2013); 10.1063/1.4799974 Magnetization reversal in antiferromagnetically coupled [Pt/CoFeB]N1/Ru/[CoFeB/Pt]N2 structures with perpendicular anisotropyIt was found that for the conventional synthetic antiferromagnetically coupled ͑SAF͒ media, with Co layer thickness d Co ϭ0 Å, the bottom layer is not well ordered ferromagnetically, and that this magnetic ordering is improved significantly for d Co of only ϳ4 Å. The coupling constant J, as well as magnetic and magnetization reversal properties M S , H C , SFD, K u , (K u V*/kT), and V* were measured as a function of d Co for both the top and bottom layers. The relationships among these parameters were analyzed.

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Effects of inserting thin Co Layers on the magnetic and reversal properties of synthetic antiferromagnetically coupled media

Shan¹,

Malhotra²,

Stafford³

et al. 2002

Journal of Applied Physics

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Exchange-assisted nonlinear bit shift reduction at high linear densities in synthetic ferrimagnetic media

Ajan

Abarra

Inomata

et al. 2004

Applied Physics Letters

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Synthetic ferrimagnetic media comprised of two magnetic layers tend to exhibit larger nonlinear transition shift (NLTS) compared to single magnetic layer conventional media. NLTS is reduced by increasing the antiferromagnetic exchange field (Hex) and especially by employing a lower layer with high magnetization and thickness product (Mst). Due to the lower switching field of the stabilization layer, the position of the transition during writing is farther downstream than that of the upper layer. We suggest that, at high densities, the pinning of the lower layer transition below the nearest neighboring upper layer transition leads to a reduction of demagnetizing fields and therefore NLTS.

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Longitudinal magnetic media designs for 60-200-Gb/in/sup 2/ recording

Bertero¹,

Malhotra²,

Bian³

et al. 2003

IEEE Trans. Magn.

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Experimental studies of the switching properties of synthetic antiferromagnetic (SAF) media

Cited by 3 publications

References 6 publications

Effects of inserting thin Co Layers on the magnetic and reversal properties of synthetic antiferromagnetically coupled media

Effects of inserting thin Co Layers on the magnetic and reversal properties of synthetic antiferromagnetically coupled media

Exchange-assisted nonlinear bit shift reduction at high linear densities in synthetic ferrimagnetic media

Longitudinal magnetic media designs for 60-200-Gb/in/sup 2/ recording

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