1993
DOI: 10.1016/0042-207x(93)90286-j
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XPS and AES studies of CuAl(100) alloy surfaces

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Cited by 8 publications
(6 citation statements)
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“…Oxygen bonds to Al during initial exposure, followed by bonding to Cu and Al atoms simultaneously [8,9,12]. Upon heating the oxidized surface to 573°C, oxygen that was previously bonded to Cu re-bonds to thermally segregated Al atoms and a thin alumina layer is formed [8][9][10][11][12][13]. However, on clean surface, Al islands do not form [9].…”
Section: Introductionmentioning
confidence: 94%
See 1 more Smart Citation
“…Oxygen bonds to Al during initial exposure, followed by bonding to Cu and Al atoms simultaneously [8,9,12]. Upon heating the oxidized surface to 573°C, oxygen that was previously bonded to Cu re-bonds to thermally segregated Al atoms and a thin alumina layer is formed [8][9][10][11][12][13]. However, on clean surface, Al islands do not form [9].…”
Section: Introductionmentioning
confidence: 94%
“…The surface composition and reactivity of a-Cu-Al(1 0 0) alloys were studied by AES [6][7][8][9][10], XPS [6,7,9], UPS [11], LEED [6] and LEIS [12][13][14] for different Al concentrations. It was concluded that weak Al segregation occurs on the clean surfaces [7,13,14], but very strong oxygen induced Al segregation has been observed for these alloys surfaces [8,11,12].…”
Section: Introductionmentioning
confidence: 99%
“…10,11 A shift, in the order of $1 eV, of Cu 2p to higher binding energies has been observed earlier when Cu is dissolved in solid solution with Al. 12,13 We therefore conclude that Cu in Fig. 9a also corresponds to the metallic state.…”
Section: Resultsmentioning
confidence: 57%
“…Liu et al [42] showed the higher binding energy peak at 933.8 eV for magnetron-sputtered Al-33%Cu alloy, which was attributed to the metallic copper present in CuAl 2 phase. Similarly, Pashusky et al [43] also reported that the increase of Cu in Cu-Al(100) leads to a progressive shift of Cu 2p 3/2 peak to higher binding energies up to 933.2 eV. In order to confirm the effect of Cu alloying to Al and the resulting binding energy shift, a pure metallic Θ-Al 2 Cu phase was analysed here.…”
Section: Chemical Analysis Of Surfaces By Xpsmentioning
confidence: 75%