Influence of electrode structure on magnetotransport in magnetic tunnel junctions

H. Wieldraaijer; P.R. LeClair; J.T. Kohlhepp; H.J.M. Swagten; W.J.M. Jonge, de

doi:10.1109/TMAG.2002.803162

Influence of electrode structure on magnetotransport in magnetic tunnel junctions

H. Wieldraaijer
, P.R. LeClair
, J.T. Kohlhepp
, H.J.M. Swagten
, W.J.M. Jonge, de

Physics of Nanostructures

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

8 Citaten (Scopus)

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The physical structure of the magnetic electrodes of Co-Al2O3-Co magnetic tunnel junctions has been investigated by. means of 59Co nuclear magnetic resonance and X-ray diffraction. Junctions sputtered on FeMn have an essentially fcc [111]-oriented bottom electrode, while all top electrodes and the bottom electrodes of junctions sputtered on Ta are polyphase and polycrystalline. The specifics of the electronic structure of the electrode crystal phases can explain the extra features and asymmetry in the conductance-versus-bias behavior observed in FeMn-based junctions.

Originele taal-2	Engels
Artikelnummer	1042334
Pagina's (van-tot)	2727-2729
Aantal pagina's	3
Tijdschrift	IEEE Transactions on Magnetics
Volume	38
Nummer van het tijdschrift	5
DOI's	https://doi.org/10.1109/TMAG.2002.803162
Status	Gepubliceerd - 2002

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10.1109/TMAG.2002.803162

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AB - The physical structure of the magnetic electrodes of Co-Al2O3-Co magnetic tunnel junctions has been investigated by. means of 59Co nuclear magnetic resonance and X-ray diffraction. Junctions sputtered on FeMn have an essentially fcc [111]-oriented bottom electrode, while all top electrodes and the bottom electrodes of junctions sputtered on Ta are polyphase and polycrystalline. The specifics of the electronic structure of the electrode crystal phases can explain the extra features and asymmetry in the conductance-versus-bias behavior observed in FeMn-based junctions.

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Influence of electrode structure on magnetotransport in magnetic tunnel junctions

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