Morphology and atomic structure of hydrogen-terminated Si(110)-(1 x 1) surfaces prepared by a wet chemical process

作者：Matsushita Stephane Yu; Kawamoto Erina; Haga Kenya; Yamada Taro; Suto Shozo^*

来源：Surface Science, 2015, 632: 135-141.

DOI：10.1016/j.susc.2014.10.003

• Si(110)
• Etching
• STM
• LEED
• HREELS
• Anisotropy

We have measured the macroscopic and microscopic surface morphology of hydrogen-terminated Si(110)-(1 x 1) [H:Si(110)-(1 x 1)] surfaces prepared by an improved wet chemical process. The observations were performed by high-resolution electron-energy-loss spectroscopy (HREELS), low-energy-electron diffraction (LEED), and scanning tunneling microscopy (STM). At macroscopic scale, it was found that the surface is a mono-hydride terminated surface with a two-dimensional p2mg space group, thus, being a well-defined H:Si(110)-(1 x 1) surface. At microscopic scale, elongated terraces were observed along the [1 (1) over bar0] direction reflecting surface anisotropy. The terraces extend in frames with sizes up to a few micrometers. We discussed the macroscopic and microscopic surface morphology by combining our LEED and STM results.

• 出版日期2015-2
• 单位RIKEN