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Electronic, magnetic, and physical structure of cobalt deposited on aluminum tris(8-hydroxy quinoline)
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Figures

Image of FIG. 1.

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FIG. 1.

X-ray photoelectron spectra of the core levels before and after 2, 4, 6, 12, and 24 Å deposition of Co.

Image of FIG. 2.

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FIG. 2.

X-ray photoelectron spectra of the core levels before after a 2, 4, 6, and 12 Å cobalt deposition on . The inset shows the XAS and XMCD spectra recorded at 300 K for a 20 Å deposition of cobalt on .

Image of FIG. 3.

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FIG. 3.

Ultraviolet photoelectron spectra before (bottom) and after a 0.6 Å (middle) and 1.2 Å (top) Co deposition on .

Image of FIG. 4.

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FIG. 4.

Cross-sectional TEM image of 10 nm Co deposited onto a 30 nm film.

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/content/aip/journal/apl/94/23/10.1063/1.3148665
2009-06-09
2014-04-18

Abstract

X-ray and ultraviolet photoemission of Co deposited onto aluminum tris(8-hydroxyquinoline) is investigated in situ. The initial Co deposited onto reacts to form a complex. After 1 nm of Co is deposited core level and valence band spectra show evidence for the formation of metallic cobalt. After 2 nm of Co is deposited onto x-ray magnetic circular dichroism spectra reveals the Co is ferromagnetic at 300 K. Transmission electron microscopy images show an abrupt interface between Co and with minimal intermixing. These results provide valuable insight into the electronic, magnetic, and physical structure of the interface.

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Scitation: Electronic, magnetic, and physical structure of cobalt deposited on aluminum tris(8-hydroxy quinoline)
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/23/10.1063/1.3148665
10.1063/1.3148665
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