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Adsorption of lithium on the Si(111)7 × 7 surface studied with high resolution core-level spectroscopy

In English

Författare

Summary, in English

Li-adsorption on the Si(111)7 × 7 surface at room temperature has been studied for different metal coverages with core-level spectroscopy. Four Li-induced components are observed in the Si 2p level at high Li-coverages indicating the formation of four thermodynamically stable phases. It is shown that the reaction between the Li atoms and the Si(111)7 × 7 surface takes place in two steps. In the first the surface reconstructs towards a “7 × 1” reconstruction and in the second Li react with the Si-substrate, forming Li suicides, with the Si atom coordinating up to four Li neighbors.

Publiceringsår

1993

Språk

Engelska

Sidor

384-388

Publikation/Tidskrift/Serie

Surface Science

Volym

284

Issue

1-2

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Forskningsgrupp

  • Electromagnetic theory

ISBN/ISSN/Övrigt

  • ISSN: 0039-6028