Effects of Potassium Adsorption and Potassium–Water Coadsorption on the Chemical and Electronic Properties of n‑Type GaN(0001) Surfaces

The interaction of n-type GaN(0001) surfaces with potassium and water is investigated using photoelectron spectroscopy, with special focus on adsorbate–substrate charge-transfer processes and water dissociation. Potassium atoms adsorb at the surface, forming a distinct surface dipole layer. For very...

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Veröffentlicht in:	Journal of physical chemistry. C 2018-03, Vol.122 (8), p.4250-4260
Hauptverfasser:	Irkha, Vladimir, Himmerlich, Anja, Reiß, Stephanie, Krischok, Stefan, Himmerlich, Marcel
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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