首页> 外文期刊>Philosophical magazine, B. Physics of condensed matter, electronic, optical, and magnetic properties >Effect of heavy ion irradiation on near-surface microstructure in single crystals of rutile TiO2
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Effect of heavy ion irradiation on near-surface microstructure in single crystals of rutile TiO2

机译:重离子辐照对金红石型TiO2单晶近表面微观结构的影响

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Radiation damage near the surface of rutile (TiO2) single crystals irradiated with 360keV Xe2+ ions has been studied by combining Rutherford backscattering spectroscopy and ion channelling (RBS/C) analyses with direct observations using transmission electron microscopy (TEM). Irradiations were performed at ambient temperature on TiO2 single crystal surfaces with (110) and (100) orientations, using ion fluences of up to 7 x 10(19) Xe ions m(-2). The RBS/C spectra revealed two damage peaks: one peak due to a surface damage layer and a second peak due to a buried damage layer near the mean projected range of the implanted ions. Cross-sectional TEM and high-resolution electron microscopy revealed that the surface damage layer consists of TiO2 crystallites with different orientations compared with the original single crystal. [References: 14]
机译:通过将卢瑟福背散射光谱和离子通道(RBS / C)分析与透射电子显微镜(TEM)的直接观察相结合,研究了用360keV Xe2 +离子辐照的金红石(TiO2)单晶表面附近的辐射损伤。在环境温度下,使用高达7 x 10(19)Xe离子m(-2)的离子注量在(110)和(100)取向的TiO2单晶表面上进行辐照。 RBS / C谱图显示了两个损伤峰:一个是由于表面损伤层引起的峰,另一个是由于掩埋损伤层引起的,靠近注入离子的平均投影范围。横截面TEM和高分辨率电子显微镜显示,与原始单晶相比,表面损伤层由具有不同取向的TiO2微晶组成。 [参考:14]

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