WORK FUNCTION AND PHOTOEMISSION-STUDIES OF CESIUM-COATED CDTE(100)

被引:4
作者
GORDON, J
SHECHTER, H
FOLMAN, M
机构
[1] TECHNION ISRAEL INST TECHNOL, DEPT CHEM, IL-32000 HAIFA, ISRAEL
[2] TECHNION ISRAEL INST TECHNOL, INST SOLID STATE, IL-32000 HAIFA, ISRAEL
来源
PHYSICAL REVIEW B | 1994年 / 49卷 / 07期
关键词
D O I
10.1103/PhysRevB.49.4898
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The work function and photoemission from p-type CdTe(100) single-crystal phosphorus doped to approximately 10(15) CM-3 and crystals that were subsequently highly doped to approximately 10(19) cm-3 with Li and covered with submonolayers of Cs were studied. In some instances the cesium-coated surfaces were modified by deposition of oxygen. Large work-function changes were found in CdTe at the initial deposition stages of Cs indicating the formation of large dipole moments on the CdTe(100) substrate. Band-gap-limited (at 1.56 eV) long-wavelength photoemission was observed from the above samples. The total spectral photoemission for visible and near-infrared regions was determined.
引用
收藏
页码:4898 / 4901
页数:4
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