Fine structure in the secondary electron emission peak for diamond crystal with (100) negative electron affinity surface
作者:
V. M. Asnin,
I. L. Krainsky,
期刊:
Applied Physics Letters
(AIP Available online 1998)
卷期:
Volume 73,
issue 25
页码: 3727-3729
ISSN:0003-6951
年代: 1998
DOI:10.1063/1.122876
出版商: AIP
数据来源: AIP
摘要:
A fine structure was discovered in the low-energy peak of the secondary electron emission spectra of the diamond surface with negative electron affinity. We studied this structure for the (100) surface of the natural type-IIb diamond crystal. We have found that the low-energy peak consists of a total of four maxima. The relative energy positions of three of them could be related to the electron energy minima near the bottom of the conduction band. The fourth peak, having the lowest energy, was attributed to the breakup of the bulk exciton at the surface during the process of secondary electron emission. ©1998 American Institute of Physics.
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