NEGATIVE-ELECTRON-AFFINITY EFFECTS ON THE DIAMOND (100) SURFACE

被引：336
|
作者：
VANDERWEIDE, J [1 ]
ZHANG, Z [1 ]
BAUMANN, PK [1 ]
WENSELL, MG [1 ]
BERNHOLC, J [1 ]
NEMANICH, RJ [1 ]
机构：
[1] N CAROLINA STATE UNIV,DEPT MAT SCI & ENGN,RALEIGH,NC 27695
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 08期
关键词：
D O I：
10.1103/PhysRevB.50.5803
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A negative electron affinity (NEA) was found both experimentally by photoemission spectroscopy and theoretically by ab initio calculations of the 2 x 1 reconstructed diamond (100) surface. This surface is the dominant growth surface for thin diamond films and can be obtained by chemical-vapor deposition. Various surface-preparation methods which result in a NEA are described. Theoretical results indicate that the observed NEA is associated with a monohydride-terminated surface, while the hydrogen-free surface exhibits a positive electron affinity.
引用
收藏
页码：5803 / 5806
页数：4
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