碳团簇填充草酸钇相在氧化钇薄膜表面的形成
Formation of yttrium oxalate phase filled by carbon clusters on the surface of yttrium oxide films
AI总结：
本文通过碳离子注入在立方Y2O3薄膜表面形成了空腔填充碳团簇的稳定草酸钇结构，厚度约10 nm，且不改变基体晶体结构，为调控光学性质和提升生物相容性提供了新途径。
摘要：
本文报道了采用碳离子注入对立方Y2O3薄膜进行表面改性的结果。表征结果表明，形成了稳定的草酸钇基结构，其空腔中填充有碳团簇。理论模拟表明，将十八原子碳团簇掺入Y2(C2O4)3的空腔中不会对草酸钇的晶体结构产生显著改变。X射线衍射和光学测量表明，立方氧化钇的次表面体相区域保持未受扰动。嵌入碳团簇的草酸盐“皮肤”厚度估计约为10 nm。本文还讨论了利用该方法调控光学性质以及提高氧化钇和镧系氧化物生物相容性的应用前景。
英文摘要：
In the current paper, we report the results of surface modification of cubic Y2O3 films employing carbon-ion implantation. The characterization results demonstrate the formation of a stable yttrium oxalate-based structure with cavities filled with carbon clusters. Theoretical simulations demonstrate that the incorporation of eighteen-atom carbon clusters into the cavities of Y2(C2O4)3 does not lead to valuable changes in the crystal structure of yttrium oxalate. X-ray diffraction and optical measurements demonstrate that the subsurface bulk area of cubic yttrium oxide remains unperturbed. The oxalate "skin" thickness with embedded carbon clusters is estimated to be approximately 10 nm. The prospective employing the method to manage optical properties and increase the biocompatibility of yttria and lanthanide oxides are discussed.
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