Shaping of Electron Beams Using Sculpted Thin Films,ACS Photonics

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Shaping of Electron Beams Using Sculpted Thin Films
ACS Photonics ( IF 6.5 ) Pub Date : 2021-11-17 , DOI: 10.1021/acsphotonics.1c00951
Dolev Roitman ₁ , Roy Shiloh ₂ , Peng-Han Lu _{3,

4} , Rafal E Dunin-Borkowski ₃ , Ady Arie ₁

Affiliation

Electron beam shaping by sculpted thin films relies on electron–matter interactions and the wave nature of electrons. It can be used to study physical phenomena of special electron beams and to develop technological applications in electron microscopy that offer new and improved measurement techniques and increased resolution in different imaging modes. In this Perspective, we review recent applications of sculpted thin films for electron orbital angular momentum sorting, improvements in phase contrast transmission electron microscopy, and aberration correction. For the latter, we also present new results of our work toward correction of the spherical aberration of Lorentz scanning transmission electron microscopes and suggest a method to correct chromatic aberration using thin films. This review provides practical insight for researchers in the field and motivates future progress in electron microscopy.

中文翻译：

使用雕刻薄膜塑造电子束

雕刻薄膜的电子束成形依赖于电子与物质的相互作用和电子的波动性质。它可用于研究特殊电子束的物理现象，并开发电子显微镜技术应用，提供新的和改进的测量技术，并提高不同成像模式的分辨率。在本视角中，我们回顾了雕刻薄膜在电子轨道角动量排序、相差透射电子显微镜和像差校正方面的改进的最新应用。对于后者，我们还介绍了洛伦兹扫描透射电子显微镜球差校正工作的新成果，并提出了一种使用薄膜校正色差的方法。这篇综述为该领域的研究人员提供了实用的见解，并推动了电子显微镜的未来进步。

更新日期：2021-12-15

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