Photoelectron diffraction study of Si(001) 2 × 1-K surface: Existence of a potassium double layer

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Abstract

X-ray photoelectron diffraction patterns of K 2p core levels have been measured for the Si(001) 2 × 1-K surface. From a kinematical analysis of the diffraction patterns, it is concluded that a sawtooth-type arrangement of the potassium double array is present over the substrate. This is in disagreement with an existing assumption of the one dimensionality of the alkalimetal-Si(001) systems.

Original languageEnglish
Pages (from-to)9097-9099
Number of pages3
JournalPhysical Review B
Volume37
Issue number15
DOIs
Publication statusPublished - 1988 Jan 1

ASJC Scopus subject areas

  • Condensed Matter Physics

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