The Low Energy Auger Electron Spectroscopy Lines as an Index of the Ba Overlayer Order on the Ni(110) Surface | Zendy

D. Vlachos | Zendy; M. Kamaratos | Zendy; S.D. Foulias | Zendy

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The Low Energy Auger Electron Spectroscopy Lines as an Index of the Ba Overlayer Order on the Ni(110) Surface

Author(s) -

D. Vlachos,

M. Kamaratos,

S.D. Foulias

Publication year - 2014

Publication title -

international journal of spectroscopy

Language(s) - English

Resource type - Journals

eISSN - 1687-9457

pISSN - 1687-9449

DOI - 10.1155/2014/289346

Subject(s) - overlayer , auger electron spectroscopy , materials science , analytical chemistry (journal) , chemistry , physics , chromatography , nuclear physics

We investigate the interaction of Ba with the Ni(110) surface at elevated temperatures by means of Auger electron spectroscopy and low energy electron diffraction. The results show that annealing of the substrate causes desorption and ordering of the initially amorphous overlayer, resulting in c(2×2) and (2×2) structures. It is observed that the induced ordering crucially affects the lineshape of the double Auger transition line Ba(73 eV)N45O23P1, establishing this line as an index of ordering of the Ba overlayer. The underlying physics of this effect is discussed

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