百度作业网英语翻译AbstractThe effect of a noble metal (silver or copper) i
来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/05/16 12:04:43
英语翻译
Abstract
The effect of a noble metal (silver or copper) island film on the vibrational spectrum of a natural aluminum oxide film was studied using the reflection–absorption spectroscopy technique.It was found that the intensity of the absorption band of aluminum oxide near 950 cm?1 changes drastically after the deposition of the metal overlayer.This band intensity increases rapidly with increasing of the silver film thickness more than twice,reaching the maximal value at the silver thickness 0.2 nm,then the band does not change up to the thickness 2 nm.Such behavior takes place only in the presence of aluminum under oxide film.We suggest that this increase of the absorption band intensity is due to the increase of the aluminum oxide film thickness,caused by an electrochemical reaction resulting in aluminum anodic oxidation.For thicker silver films the intensity of the aluminum oxide band falls down slowly due to a metal screening effect
Abstract
The effect of a noble metal (silver or copper) island film on the vibrational spectrum of a natural aluminum oxide film was studied using the reflection–absorption spectroscopy technique.It was found that the intensity of the absorption band of aluminum oxide near 950 cm?1 changes drastically after the deposition of the metal overlayer.This band intensity increases rapidly with increasing of the silver film thickness more than twice,reaching the maximal value at the silver thickness 0.2 nm,then the band does not change up to the thickness 2 nm.Such behavior takes place only in the presence of aluminum under oxide film.We suggest that this increase of the absorption band intensity is due to the increase of the aluminum oxide film thickness,caused by an electrochemical reaction resulting in aluminum anodic oxidation.For thicker silver films the intensity of the aluminum oxide band falls down slowly due to a metal screening effect
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摘要：
本文运用反射-吸收光谱技术研究了贵金属（银或铜）island film对天然氧化铝膜振动谱的影响.研究发现金属沉积在其表面后,氧化铝吸收光谱带在950cm-1附近的强度发生急剧变化.随着银膜厚度增长2倍多,最终达到0.2nm银厚的最大值,带强迅速变大,但是光谱带变化不会达到2nm厚.这种行为只在铝被氧化膜覆盖的情况下发生.我们认为吸收光谱带强度的增加是受电化反应铝的阳极氧化导致铝氧化膜增厚的影响.由于银膜渐厚,受金属屏蔽效的影响,氧化铝带强缓慢减小
摘要：
本文运用反射-吸收光谱技术研究了贵金属（银或铜）island film对天然氧化铝膜振动谱的影响.研究发现金属沉积在其表面后,氧化铝吸收光谱带在950cm-1附近的强度发生急剧变化.随着银膜厚度增长2倍多,最终达到0.2nm银厚的最大值,带强迅速变大,但是光谱带变化不会达到2nm厚.这种行为只在铝被氧化膜覆盖的情况下发生.我们认为吸收光谱带强度的增加是受电化反应铝的阳极氧化导致铝氧化膜增厚的影响.由于银膜渐厚,受金属屏蔽效的影响,氧化铝带强缓慢减小
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