OPTICAL STUDIES OF GERMANIUM IMPLANTED WITH HIGH-DOSE OXYGEN

被引：15
|
作者：
ZHANG, QC [1 ]
KELLY, JC [1 ]
MILLS, DR [1 ]
机构：
[1] UNIV SYDNEY,SCH PHYS,SYDNEY,NSW 2006,AUSTRALIA
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 09期
关键词：
D O I：
10.1063/1.346135
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A model has been developed to explain the greatly reduced reflectivities of Ge samples implanted to doses 1.25-1.5×1018 O/cm2 with 45-keV O+ ions, which have reflectivity values close to zero at 0.7 μm. The model divides the inhomogeneous implanted layer into a series of homogeneous sublayers with different volume fraction and thickness for each sublayer. The complex refractive indexes for every sublayer are calculated using the Maxwell Garnett (MG) and Persson-Liebsch (PL) theories. Using the expressions for the reflectivity of an absorbing multilayer layer systems, the reflectivities have been calculated. The reflectivity curve calculated in the PL approximation is closer to the experimental observations than is the MG approximation over the wavelength range 0.2-3.0 μm.
引用
收藏
页码：4788 / 4794
页数：7
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