Observations of coverage- and temperature-dependent surface structures formed upon Li deposition on Cu(110)

Shigemitsu Nakanishi, Takahiro Yumura, Kenji Umezawa, Hiroshi Tochihara, Seigi Mizuno

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Abstract

A systematic study of surface structures of Li-covered Cu(110) was performed by means of low-energy electron-diffraction (LEED) and Auger electron spectroscopy techniques. The experiments were carried out with increasing deposition of Li both at low temperature (90 K) and room temperature (300 K). At 90 K a series of LEED patterns, (3×1), (2×1), (3×1), and successive complicated structures were observed with increasing Li coverage. The sequence of the LEED patterns was interpreted as simple overlayer structures of Li in terms of a continuous increase of the packing density of deposited Li atoms sitting in the trough along the [11̄0] direction of the Cu(110) surface. Marked differences in the sequence of the LEED structures were observed for observations at 300 K; the sequence of the structures was (1×2), (1×1), (4×1), (5×1), and (n×1) where n<8 with an increase of Li coverage. The first (1×2) structure was assigned to a missing-row-type restructuring of the substrate Cu atoms. The structure models for the (4×1), (5×1), and so on were discussed in terms of the formation of Li-Cu surface alloys proposed previously by Tochihara and Mizuno for the Li/Cu(100) system.

Original languageEnglish
Pages (from-to)4850-4857
Number of pages8
JournalPhysical Review B
Volume49
Issue number7
DOIs
Publication statusPublished - Jan 1 1994
Externally publishedYes

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electron diffraction
diffraction patterns
temperature
energy
packing density
troughs
Auger spectroscopy
electron spectroscopy
atoms
room temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Observations of coverage- and temperature-dependent surface structures formed upon Li deposition on Cu(110). / Nakanishi, Shigemitsu; Yumura, Takahiro; Umezawa, Kenji; Tochihara, Hiroshi; Mizuno, Seigi.

In: Physical Review B, Vol. 49, No. 7, 01.01.1994, p. 4850-4857.

Research output: Contribution to journalArticle

Nakanishi, Shigemitsu ; Yumura, Takahiro ; Umezawa, Kenji ; Tochihara, Hiroshi ; Mizuno, Seigi. / Observations of coverage- and temperature-dependent surface structures formed upon Li deposition on Cu(110). In: Physical Review B. 1994 ; Vol. 49, No. 7. pp. 4850-4857.
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