银离子注入硅

A. Stepanov, V. Nuzhdin, V. Valeev, V. Vorobev, Y. Osin
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引用次数: 1

摘要

摘要本文给出了低能量30 keV的银离子在5.0 × 1014 ~ 1.5 × 1017离子/cm2宽剂量范围内注入硅表面层的光学反射的新结果。随着离子辐照剂量的增加,由于Si表面的非晶化和宏观结构,光谱紫外区的反射强度单调下降。另一方面,在长波长区域,由于植入过程中合成的银纳米粒子的等离子体共振,在830 nm附近出现了一个选择性反射带,最大反射带在830 nm附近。
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Ag+-ion implantation of silicon
GRAPHICAL ABSTRACT ABSTRACT The new results on the optical reflection of the Si surface layers implanted by silver ions at low energies of 30 keV over a wide dose range from 5.0 × 1014 to 1.5 × 1017 ion/cm2 are presented. As the ion dose of irradiation was increased, a monotonic decrease in the reflection intensity in the ultraviolet region of the spectrum was observed, due to amorphization and macrostructuring of the Si surface. On the other hand, in the long-wavelength region, a selective reflection band appears with a maximum near 830 nm due to plasmon resonance of Ag nanoparticles synthesized during implantation.
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