Growth and electronic structure of Mn on Al(1 1 1)

Biswas, C. ; Dhaka, R. S. ; Shukla, A. K. ; Barman, S. R. (2007) Growth and electronic structure of Mn on Al(1 1 1) Surface Science, 601 (3). pp. 609-614. ISSN 0039-6028

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Growth and electronic structure of a 3d transition metal Mn on a free-electron-like metal Al(1 1 1) have been studied by photoelectron spectroscopy and low energy electron diffraction (LEED). A (√3×√3)R30°LEED is observed at 6 ML Mn coverage, that is related to the a phase of bulk Mn. From the intensity of the adlayer and substrate core-level peaks and angle dependent studies, evidence of primarily layer by layer growth is observed. The Mn 2p core-level for 0.1 ML Mn coverage appears at 0.3 eV lower binding energy with respect to bulk Mn. With increasing Mn coverage, the Mn 2p binding energy increases. An extra component is observed at the lower binding energy side of the Al 2p spectra, that is related to interface alloying. The asymmetric line-shape of bulk-like Mn becomes symmetric for lower Mn coverages.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:X-ray Photoelectron Spectroscopy; Manganese; Aluminium
ID Code:93238
Deposited On:14 Jun 2012 12:48
Last Modified:17 Jul 2012 08:13

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