Anomalous decrease of the work function of a carbide-modified W(110) surface induced by hydrogen chemisorption

Kensuke Tono; Junichi Ikeuchi; Hiroshi Kondoh; Toshiaki Ohta

doi:10.1246/cl.2005.1470

Anomalous decrease of the work function of a carbide-modified W(110) surface induced by hydrogen chemisorption

Kensuke Tono, Junichi Ikeuchi, Hiroshi Kondoh, Toshiaki Ohta

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Electronic property of hydrogen adatoms on a carbide-modified W(110) surface, W(110)(15 x 3)R14°-C, was investigated by means of angle-resolved photoelectron spectroscopy. The work function of the surface decreases anomalously with hydrogen exposure. The hydrogen adatom polarizes positively due to bond formation with surface carbon atoms, resulting in the work-function decrease by as large as 1.0 ± 0.1 eV at saturation.

Original language	English
Pages (from-to)	1470-1471
Number of pages	2
Journal	Chemistry Letters
Volume	34
Issue number	11
DOIs	https://doi.org/10.1246/cl.2005.1470
Publication status	Published - 2005 Nov 5
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)

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abstract = "Electronic property of hydrogen adatoms on a carbide-modified W(110) surface, W(110)(15 x 3)R14°-C, was investigated by means of angle-resolved photoelectron spectroscopy. The work function of the surface decreases anomalously with hydrogen exposure. The hydrogen adatom polarizes positively due to bond formation with surface carbon atoms, resulting in the work-function decrease by as large as 1.0 ± 0.1 eV at saturation.",

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AU - Tono, Kensuke

AU - Ikeuchi, Junichi

AU - Kondoh, Hiroshi

AU - Ohta, Toshiaki

PY - 2005/11/5

Y1 - 2005/11/5

N2 - Electronic property of hydrogen adatoms on a carbide-modified W(110) surface, W(110)(15 x 3)R14°-C, was investigated by means of angle-resolved photoelectron spectroscopy. The work function of the surface decreases anomalously with hydrogen exposure. The hydrogen adatom polarizes positively due to bond formation with surface carbon atoms, resulting in the work-function decrease by as large as 1.0 ± 0.1 eV at saturation.

AB - Electronic property of hydrogen adatoms on a carbide-modified W(110) surface, W(110)(15 x 3)R14°-C, was investigated by means of angle-resolved photoelectron spectroscopy. The work function of the surface decreases anomalously with hydrogen exposure. The hydrogen adatom polarizes positively due to bond formation with surface carbon atoms, resulting in the work-function decrease by as large as 1.0 ± 0.1 eV at saturation.

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JO - Chemistry Letters

JF - Chemistry Letters

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Anomalous decrease of the work function of a carbide-modified W(110) surface induced by hydrogen chemisorption

Abstract

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