SCANNING-TUNNELING-MICROSCOPE OBSERVATION OF THE HOMOEPITAXIAL DIAMOND(001) 2X1 RECONSTRUCTION OBSERVED UNDER ATMOSPHERIC-PRESSURE

被引：122

作者：

KAWARADA, H

SASAKI, H

SATO, A

机构：

[1] School of Science and Engineering, Waseda University, Shinjuku-ku, Tokyo 169

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.52.11351

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The 2X1/1X2 surface reconstruction of a homoepitaxial diamond (001) surface has been examined using a scanning tunneling microscope at an atomic scale and reflection electron microscopy at a macroscopic scale. The monohydride dimer, which is a unit of the surface reconstruction, has a symmetric structure. These monohydride structures contribute to the surface p-type conduction in undoped films. The surface is composed of elongated dimer rows. Antiphase boundaries have been observed, which is indicative of low-temperature epitaxy where surface migration is limited. Macroscopic surface flatness has been improved during the growth stage in the presence of oxygen and boron which enhance migration.

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页码：11351 / 11358

页数：8

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