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

被引：9

作者：

Yamanaka, T ^{[1
]}

Xue, QK

Kimura, K

Matsushima, T

Hasegawa, Y

Sakurai, T

机构：

[1] Hokkaido Univ, Catalysis Res Ctr, Sapporo, Hokkaido 0600811, Japan

[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2000年 / 39卷 / 6A期

关键词：

platinum; oxygen; stepped single-crystal surface; surface structure; scanning tunneling microscope;

D O I：

10.1143/JJAP.39.3562

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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 x 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) over bar 0] direction were separated by many dark nodes. The intervals of the nodes ranged from 6 to 9 Angstrom, which corresponded to two or three times the atomic distance along the rows, suggesting that oxygen atoms were adsorbed at these intervals.

引用

页码：3562 / 3565

页数：4

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