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000028487 0247_ $$2DOI$$a10.1016/S0039-6028(03)00891-4
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000028487 084__ $$2WoS$$aChemistry, Physical
000028487 084__ $$2WoS$$aPhysics, Condensed Matter
000028487 1001_ $$0P:(DE-Juel1)VDB14465$$aRose, V.$$b0$$uFZJ
000028487 245__ $$aGrowth of ultra-thin amorphous Al2O3 films on CoAl(100)
000028487 260__ $$aAmsterdam$$bElsevier$$c2003
000028487 300__ $$a128
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000028487 440_0 $$05673$$aSurface Science$$v541$$x0039-6028
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000028487 520__ $$aThe oxidation of a CoAl(100) surface at 300 K was studied by means of Auger electron spectroscopy, high resolution electron energy loss spectroscopy (EELS), low energy electron diffraction and scanning tunneling microscopy (STM). For an exposure less than or equal to 0.3 L, the oxygen atoms are chemisorbed on the CoAl(100) surface, while for a larger O-2 exposure the oxidation of the surface sets in. For an exposure greater than or equal to 300 L the surface is entirely covered with amorphous Al2O3 (alpha-Al2O3) whereas the Co atoms seem to be unaffected. The EEL spectra of alpha-Al2O3 exhibit Fuchs-Kliewer modes at around 640 and 890 cm(-1). The thickness of the alpha-Al2O3 film is estimated to be 7.1 +/- 0.7 Angstrom. The STM images show that the oxide grows as large islands which cover the whole surface. The band gap of the ultra-thin alpha-Al2O3 film on CoAl(100) is found to be 3.2 eV and thus it is strongly diminished with respect to the bulk value. (C) 2003 Elsevier B.V. All rights reserved.
000028487 536__ $$0G:(DE-Juel1)FUEK252$$2G:(DE-HGF)$$aMaterialien, Prozesse und Bauelemente für die  Mikro- und Nanoelektronik$$cI01$$x0
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000028487 65320 $$2Author$$aAuger electron spectroscopy
000028487 65320 $$2Author$$alow energy electron diffraction (LEED)
000028487 65320 $$2Author$$aelectron energy loss spectroscopy (EELS)
000028487 65320 $$2Author$$ascanning tunneling microscopy
000028487 65320 $$2Author$$aoxidation
000028487 65320 $$2Author$$acobalt
000028487 65320 $$2Author$$aaluminum
000028487 65320 $$2Author$$aaluminum oxide
000028487 65320 $$2Author$$aamorphous thin films
000028487 7001_ $$0P:(DE-Juel1)VDB9870$$aPodgurski, V.$$b1$$uFZJ
000028487 7001_ $$0P:(DE-Juel1)VDB5492$$aCostina, I.$$b2$$uFZJ
000028487 7001_ $$0P:(DE-Juel1)VDB5400$$aFranchy, R.$$b3$$uFZJ
000028487 773__ $$0PERI:(DE-600)1479030-0$$a10.1016/S0039-6028(03)00891-4$$gVol. 541, p. 128$$p128$$q541<128$$tSurface science$$v541$$x0039-6028$$y2003
000028487 8567_ $$uhttp://dx.doi.org/10.1016/S0039-6028(03)00891-4
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000028487 9141_ $$y2003
000028487 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed
000028487 9201_ $$0I:(DE-Juel1)VDB43$$d31.12.2006$$gISG$$kISG-3$$lInstitut für Grenzflächen und Vakuumtechnologien$$x0
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