Structure determination of the two-domain (1 x 4) anatase TiO2(001) surface

被引：195

作者：

Herman, GS ^{[1
]}

Sievers, MR ^{[1
]}

Gao, Y ^{[1
]}

机构：

[1] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.84.3354

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The reconstructed anatase TiO2(001) surface has been investigated by low-energy electron diffraction (LEED), x-ray photoelectron spectroscopy (XPS), and angle-resolved mass spectroscopy of recoiled ions (AR-MSRI). Prior investigations have observed or considered only a (1 x 1) unreconstructed termination for this surface with no detailed structural analysis. Our LEED results indicate a previously unobserved two-domain (1 x 4) reconstruction after sputtering and annealing the (I x 1) surface. The XPS data for this reconstruction indicate the presence of only Ti4+. Simulations of the AR-MSRI experimental data indicate a best fit for a microfaceted surface, revealing both. (103) and ((1) over bar 03) surface planes.

引用

页码：3354 / 3357

页数：4

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