论文标题
提高了来自范德华结构的台式X射线的多功能性
Enhanced versatility of table-top X-rays from van der Waals structures
论文作者
论文摘要
Van der Waals（VDW）材料对其无数独特的电子，机械和热性能引起了极大的兴趣。特别是，它们是单色桌面X射线源的有希望的候选人。这项工作表明，台式VDW X射线源的多功能性超出了迄今为止所证明的。通过在VDW结构和入射电子束之间引入倾斜角，它在理论上和实验上表明可访问的光子能量范围是两倍以上。这允许在VDW X射线源的实时调整中具有更大的多功能性。此外，这项工作表明，通过同时控制电子能量和VDW结构倾斜，可访问的光子能量范围最大化。这些结果应该为高度可调的紧凑X射线源铺平道路，并具有潜在的应用，包括高光谱X射线荧光镜和X射线量子光学。
Van der Waals (vdW) materials have attracted much interest for their myriad unique electronic, mechanical and thermal properties. In particular, they are promising candidates for monochromatic, table-top X-ray sources. This work reveals that the versatility of the table-top vdW X-ray source goes beyond what has been demonstrated so far. By introducing a tilt angle between the vdW structure and the incident electron beam, it is theoretically and experimentally shown that the accessible photon energy range is more than doubled. This allows for greater versatility in real-time tuning of the vdW X-ray source. Furthermore, this work shows that the accessible photon energy range is maximized by simultaneously controlling both the electron energy and the vdW structure tilt. These results should pave the way for highly tunable, compact X-ray sources, with potential applications including hyperspectral X-ray fluoroscopy and X-ray quantum optics.
