纳米金刚石和薄石墨烯叠层中注入Kr和Ar的行为：实验和模拟
Behavior of implanted Xe, Kr and Ar in nanodiamond and thin graphene stacks: experiment and modeling
摘要：
注入和随后的行为的重稀有气体（Ar，氪，氪）在几层石墨烯片和纳米金刚石研究使用计算方法和实验使用X射线吸收光谱。X射线吸收光谱提供了大量的支持，作为一个主要网站的Xe空位（Xe-V）缺陷的纳米金刚石。结果表明，薄石墨烯堆中的惰性气体使层变形，形成凸起。放置在平坦石墨烯片之间的离子的能量明显低于具有高曲率的域中的能量。然而，如果离子被捕获在弯曲的区域中，则需要相当多的额外能量来使其移位。
英文摘要：
Implantation and subsequent behaviour of heavy noble gases (Ar, Kr, Xe) in few-layer graphene sheets and in nanodiamonds is studied both using computational methods and experimentally using X-ray absorption spectroscopy. X-ray absorption spectroscopy provides substantial support for the Xe-vacancy (Xe-V) defect as a main site for Xe in nanodiamond. It is shown that noble gases in thin graphene stacks distort the layers, forming bulges. The energy of an ion placed in between flat graphene sheets is notably lower than in domains with high curvature. However, if the ion is trapped in the curved domain, considerable additional energy is required to displace it.
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