LOW-ENERGY-ELECTRON TRANSPORT IN ALKALI-HALIDES

被引：67

作者：

AKKERMAN, A ^{[1
]}

BOUTBOUL, T ^{[1
]}

BRESKIN, A ^{[1
]}

CHECHIK, R ^{[1
]}

GIBREKHTERMAN, A ^{[1
]}

机构：

[1] SOREQ RES CTR, IL-70600 YAVNE, ISRAEL

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 08期

关键词：

D O I：

10.1063/1.357303

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A model of electron transport in alkali halides, below 10 eV, is described. It is based on theoretically calculated microscopic cross sections of electron interactions with lattice phonons. Both acoustic and optical scatterings are taken into account, the former being also treated as a quasielastic process that randomizes the electron motion. Monte Carlo calculations based on the model simulate the UV-induced photoelectron emission from CsI. The calculated quantum efficiency and energy spectra are in good agreement with experimental data, in the photon energy range of 6.3-8.6 eV. The probability for an electron to escape from CsI, NaCl, and KCl is provided as a function of its energy and creation depth. A comparison is made between our approach and other phenomenological models.

引用

页码：4656 / 4662

页数：7

共 40 条

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