Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process

Lucinski T, Czerkas S, Bruckl H, Reiss G (2000)
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 222(3): 327-336.

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Abstract
The Co(25 nm)/Al(d(Al))-O-x/Ni80Fe20(25 nm), trilayers, with a Al thickness variation of 0.5 nm less than or equal to d(Al) less than or equal to 5 nm, were evaporated in ultra-high vacuum onto oxidised Si wafers. The simultaneous measurements of the magnetic hysteresis loops and thickness-dependent electric conductance were performed in-situ during deposition process. They were supplemented with surface topography and cross section images by atomic force microscopy and high-resolution transmission electron microscopy, respectively. We have shown that for an Al thickness of about 1.2 nm a transition from strongly ferromagnetically coupled Co and Ni80Fe20 characterised with single hysteresis loops to well separated magnetisation loops evident for weakly coupled layers occurs, The conductance measurements performed during deposition process as well as during 24 h oxidation process of the Al layer led us to the conclusion that independently on Al thickness nominally only 0.5 nm thick Al layer is oxidised. The influence of different buffer layers (Cy Au) on magnetisation reversal characteristics is also shown. (C) 2000 Elsevier Science B.V. All rights reserved.
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Lucinski T, Czerkas S, Bruckl H, Reiss G. Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 2000;222(3):327-336.
Lucinski, T., Czerkas, S., Bruckl, H., & Reiss, G. (2000). Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 222(3), 327-336.
Lucinski, T., Czerkas, S., Bruckl, H., and Reiss, G. (2000). Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 222, 327-336.
Lucinski, T., et al., 2000. Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 222(3), p 327-336.
T. Lucinski, et al., “Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process”, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 222, 2000, pp. 327-336.
Lucinski, T., Czerkas, S., Bruckl, H., Reiss, G.: Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 222, 327-336 (2000).
Lucinski, T, Czerkas, S, Bruckl, H, and Reiss, Günter. “Growth and properties of Co/Al-O-x/Ni(80)Fe(20) trilayers monitored in-situ during deposition process”. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 222.3 (2000): 327-336.
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