Electronic structure of octane on Cu(1 1 1) and Ni(1 1 1) studied by near edge X-ray absorption fine structure

Manabu Kiguchi; Shiro Entani; Susumu Ikeda; Genki Yoshikawa; Ikuyo Nakai; Hiroshi Kondoh; Toshiaki Ohta; Koichiro Saiki

doi:10.1016/j.susc.2007.04.055

Electronic structure of octane on Cu(1 1 1) and Ni(1 1 1) studied by near edge X-ray absorption fine structure

Manabu Kiguchi, Shiro Entani, Susumu Ikeda, Genki Yoshikawa, Ikuyo Nakai, Hiroshi Kondoh, Toshiaki Ohta, Koichiro Saiki

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

3 Citations (Scopus)

Abstract

The electronic structure of an octane film grown on Cu(1 1 1) and Ni(1 1 1) was studied using C K-edge near edge X-ray absorption fine structure (NEXAFS). A pre-peak was observed on the bulk edge onset for the 1 ML thick octane films on the metal substrates. The pre-peak originated from metal induced gap states (MIGS) in the band gap of octane. The intensity of the pre-peak for octane/Ni(1 1 1) was the same as that of octane/Cu(1 1 1), suggesting that there was little difference in the density of unoccupied MIGS between the octane film on Ni(1 1 1) and Cu(1 1 1). We discuss the metal dependence of the density of unoccupied MIGS on the band structure of the metals.

Original language	English
Pages (from-to)	4074-4077
Number of pages	4
Journal	Surface Science
Volume	601
Issue number	18
DOIs	https://doi.org/10.1016/j.susc.2007.04.055
Publication status	Published - 2007 Sept 15
Externally published	Yes

Keywords

Alkanes
Copper
Near edge extended X-ray absorption fine structure
Nickel
Surface electronic phenomena

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.susc.2007.04.055

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@article{ac4f60cabf3e4bb29682568fc30fa1d3,

title = "Electronic structure of octane on Cu(1 1 1) and Ni(1 1 1) studied by near edge X-ray absorption fine structure",

abstract = "The electronic structure of an octane film grown on Cu(1 1 1) and Ni(1 1 1) was studied using C K-edge near edge X-ray absorption fine structure (NEXAFS). A pre-peak was observed on the bulk edge onset for the 1 ML thick octane films on the metal substrates. The pre-peak originated from metal induced gap states (MIGS) in the band gap of octane. The intensity of the pre-peak for octane/Ni(1 1 1) was the same as that of octane/Cu(1 1 1), suggesting that there was little difference in the density of unoccupied MIGS between the octane film on Ni(1 1 1) and Cu(1 1 1). We discuss the metal dependence of the density of unoccupied MIGS on the band structure of the metals.",

keywords = "Alkanes, Copper, Near edge extended X-ray absorption fine structure, Nickel, Surface electronic phenomena",

author = "Manabu Kiguchi and Shiro Entani and Susumu Ikeda and Genki Yoshikawa and Ikuyo Nakai and Hiroshi Kondoh and Toshiaki Ohta and Koichiro Saiki",

note = "Funding Information: The authors benefited from valuable discussions with Prof. H. Aoki and Dr. R. Arita. This work was supported in part by a creative scientific research Project No. 14GS0207 and a special coordination fund from the Japanese Ministry of Education.",

year = "2007",

month = sep,

day = "15",

doi = "10.1016/j.susc.2007.04.055",

language = "English",

volume = "601",

pages = "4074--4077",

journal = "Surface Science",

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T1 - Electronic structure of octane on Cu(1 1 1) and Ni(1 1 1) studied by near edge X-ray absorption fine structure

AU - Kiguchi, Manabu

AU - Entani, Shiro

AU - Ikeda, Susumu

AU - Yoshikawa, Genki

AU - Nakai, Ikuyo

AU - Kondoh, Hiroshi

AU - Ohta, Toshiaki

AU - Saiki, Koichiro

N1 - Funding Information: The authors benefited from valuable discussions with Prof. H. Aoki and Dr. R. Arita. This work was supported in part by a creative scientific research Project No. 14GS0207 and a special coordination fund from the Japanese Ministry of Education.

PY - 2007/9/15

Y1 - 2007/9/15

N2 - The electronic structure of an octane film grown on Cu(1 1 1) and Ni(1 1 1) was studied using C K-edge near edge X-ray absorption fine structure (NEXAFS). A pre-peak was observed on the bulk edge onset for the 1 ML thick octane films on the metal substrates. The pre-peak originated from metal induced gap states (MIGS) in the band gap of octane. The intensity of the pre-peak for octane/Ni(1 1 1) was the same as that of octane/Cu(1 1 1), suggesting that there was little difference in the density of unoccupied MIGS between the octane film on Ni(1 1 1) and Cu(1 1 1). We discuss the metal dependence of the density of unoccupied MIGS on the band structure of the metals.

AB - The electronic structure of an octane film grown on Cu(1 1 1) and Ni(1 1 1) was studied using C K-edge near edge X-ray absorption fine structure (NEXAFS). A pre-peak was observed on the bulk edge onset for the 1 ML thick octane films on the metal substrates. The pre-peak originated from metal induced gap states (MIGS) in the band gap of octane. The intensity of the pre-peak for octane/Ni(1 1 1) was the same as that of octane/Cu(1 1 1), suggesting that there was little difference in the density of unoccupied MIGS between the octane film on Ni(1 1 1) and Cu(1 1 1). We discuss the metal dependence of the density of unoccupied MIGS on the band structure of the metals.

KW - Alkanes

KW - Copper

KW - Near edge extended X-ray absorption fine structure

KW - Nickel

KW - Surface electronic phenomena

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SN - 0039-6028

VL - 601

SP - 4074

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JO - Surface Science

JF - Surface Science

IS - 18

ER -

Electronic structure of octane on Cu(1 1 1) and Ni(1 1 1) studied by near edge X-ray absorption fine structure

Abstract

Keywords

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