Observation of clean and oxygen-adsorbed Pt(113) surfaces by scanning tunneling microscopy

Toshiro Yamanaka; Qi Kun Xue; Kazushi Kimura; Tatsuo Matsushima; Yukio Hasegawa; Toshio Sakurai

doi:10.1143/jjap.39.3562

Observation of clean and oxygen-adsorbed Pt(113) surfaces by scanning tunneling microscopy

Toshiro Yamanaka, Qi Kun Xue, Kazushi Kimura, Tatsuo Matsushima, Yukio Hasegawa, Toshio Sakurai

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

8 Citations (Scopus)

Abstract

Clean and oxygen-adsorbed platinum (113) surfaces were studied at room temperature by scanning tunneling microscopy (STM). It was found that a clean surface was reconstructed into a (1 × 2) missing row structure. Significant facetting was observed at the initial stage of annealing at 1150 K; however, wider (113) terraces were obtained after annealing for a longer time. After adsorption of atomic oxygen, the protruding atomic rows running in the [11̄0] direction were separated by many dark nodes. The intervals of the nodes ranged from 6 to 9 A, which corresponded to two or three times the atomic distance along the rows, suggesting that oxygen atoms were adsorbed at these intervals.

Original language	English
Pages (from-to)	3562-3565
Number of pages	4
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	39
Issue number	6 A
DOIs	https://doi.org/10.1143/jjap.39.3562
Publication status	Published - 2000
Externally published	Yes

Keywords

Oxygen
Platinum
Scanning tunneling microscope
Stepped single-crystal surface
Surface structure

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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10.1143/jjap.39.3562

Cite this

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title = "Observation of clean and oxygen-adsorbed Pt(113) surfaces by scanning tunneling microscopy",

abstract = "Clean and oxygen-adsorbed platinum (113) surfaces were studied at room temperature by scanning tunneling microscopy (STM). It was found that a clean surface was reconstructed into a (1 × 2) missing row structure. Significant facetting was observed at the initial stage of annealing at 1150 K; however, wider (113) terraces were obtained after annealing for a longer time. After adsorption of atomic oxygen, the protruding atomic rows running in the [1{\=1}0] direction were separated by many dark nodes. The intervals of the nodes ranged from 6 to 9 A, which corresponded to two or three times the atomic distance along the rows, suggesting that oxygen atoms were adsorbed at these intervals.",

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T1 - Observation of clean and oxygen-adsorbed Pt(113) surfaces by scanning tunneling microscopy

AU - Yamanaka, Toshiro

AU - Xue, Qi Kun

AU - Kimura, Kazushi

AU - Matsushima, Tatsuo

AU - Hasegawa, Yukio

AU - Sakurai, Toshio

PY - 2000

Y1 - 2000

N2 - Clean and oxygen-adsorbed platinum (113) surfaces were studied at room temperature by scanning tunneling microscopy (STM). It was found that a clean surface was reconstructed into a (1 × 2) missing row structure. Significant facetting was observed at the initial stage of annealing at 1150 K; however, wider (113) terraces were obtained after annealing for a longer time. After adsorption of atomic oxygen, the protruding atomic rows running in the [11̄0] direction were separated by many dark nodes. The intervals of the nodes ranged from 6 to 9 A, which corresponded to two or three times the atomic distance along the rows, suggesting that oxygen atoms were adsorbed at these intervals.

AB - Clean and oxygen-adsorbed platinum (113) surfaces were studied at room temperature by scanning tunneling microscopy (STM). It was found that a clean surface was reconstructed into a (1 × 2) missing row structure. Significant facetting was observed at the initial stage of annealing at 1150 K; however, wider (113) terraces were obtained after annealing for a longer time. After adsorption of atomic oxygen, the protruding atomic rows running in the [11̄0] direction were separated by many dark nodes. The intervals of the nodes ranged from 6 to 9 A, which corresponded to two or three times the atomic distance along the rows, suggesting that oxygen atoms were adsorbed at these intervals.

KW - Oxygen

KW - Platinum

KW - Scanning tunneling microscope

KW - Stepped single-crystal surface

KW - Surface structure

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Observation of clean and oxygen-adsorbed Pt(113) surfaces by scanning tunneling microscopy

Abstract

Keywords

ASJC Scopus subject areas

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