OBSERVATION OF SPATIAL-DISPERSION OF SURFACE-PLASMON MODE IN HREELS OF HEAVILY DOPED N-TYPE INAS(001)

被引：19

作者：

EGDELL, RG

EVANS, SD

STRADLING, RA

LI, YB

PARKER, SD

WILLIAMS, RH

机构：

[1] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,DEPT CHEM,LONDON SW7 2AZ,ENGLAND

[2] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,DEPT PHYS,LONDON SW7 2BZ,ENGLAND

[3] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,INTERDISCIPLINARY RES CTR SEMICOND,LONDON SW7 2BZ,ENGLAND

来源：

SURFACE SCIENCE | 1992年 / 262卷 / 03期

关键词：

D O I：

10.1016/0039-6028(92)90140-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A protective capping procedure has been used to prepare surfaces of MBE-grown InAs(001) for HREELS and photoemission studies. The comparison between photoemission and infrared transmission spectra demonstrates that at a bulk doping level of 8 x 10(18)/cm3, the Fermi level at the surface coincides with that in the bulk. This allows observation of the effects of spatial dispersion in the surface plasmon mode in HREEL spectra.

引用

页码：444 / 450

页数：7

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