The adsorption of Na onto GaP(110) is markedly different when the substrate is held below 120 K and above 140 K. At 120 K, the development of core and valence level photoemission spectra is consistent with charge transfer between the alkali metal and the surface atoms of a chemically undisrupted substrate. However, at 140 K, similar measurements show very different spectral changes, resembling more closely a reactive interface, involving interaction between the Na and bulk GaP atoms
Temperature-dependent growth of the Na/GaP(110) interface / D. A., Evans; P., Bailey; J. M. C., Thornton; D'Addato, Sergio. - In: SURFACE REVIEW AND LETTERS. - ISSN 0218-625X. - STAMPA. - 1:(1994), pp. 597-600.
Temperature-dependent growth of the Na/GaP(110) interface
D'ADDATO, Sergio
1994
Abstract
The adsorption of Na onto GaP(110) is markedly different when the substrate is held below 120 K and above 140 K. At 120 K, the development of core and valence level photoemission spectra is consistent with charge transfer between the alkali metal and the surface atoms of a chemically undisrupted substrate. However, at 140 K, similar measurements show very different spectral changes, resembling more closely a reactive interface, involving interaction between the Na and bulk GaP atoms
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