Exploration of the thickness-depended dynamic properties of differential phase contrast (DPC) and integrated differential phase contrast (iDPC)

IF 2.5 3区工程技术 Q1 MICROSCOPY

Micron Pub Date : 2024-08-21 DOI:10.1016/j.micron.2024.103705

引用次数: 0

Abstract

A study on DPC and iDPC images of crystals is achieved with simulation. It highlights the use of electron wave intensity distribution to visualize the dynamic effect on DPC and iDPC contrasts. Electron waves near heavy atoms exhibit significant oscillations and rapid intensity decay. This oscillation causes DPC and iDPC signal inversion. Bloch wave theory is used to derive DPC and iDPC intensity distributions, elucidating the impact of dynamic effect on the contrast.

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探索差分相位对比（DPC）和集成差分相位对比（iDPC）随厚度变化的动态特性

通过模拟对晶体的 DPC 和 iDPC 图像进行了研究。它强调了利用电子波强度分布来观察 DPC 和 iDPC 对比的动态效果。重原子附近的电子波表现出明显的振荡和快速的强度衰减。这种振荡会导致 DPC 和 iDPC 信号反转。布洛赫波理论用于推导 DPC 和 iDPC 强度分布，阐明了动态效应对对比度的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Micron 工程技术-显微镜技术

CiteScore

4.30

自引率

4.20%

发文量

100

审稿时长

31 days

期刊介绍： Micron is an interdisciplinary forum for all work that involves new applications of microscopy or where advanced microscopy plays a central role. The journal will publish on the design, methods, application, practice or theory of microscopy and microanalysis, including reports on optical, electron-beam, X-ray microtomography, and scanning-probe systems. It also aims at the regular publication of review papers, short communications, as well as thematic issues on contemporary developments in microscopy and microanalysis. The journal embraces original research in which microscopy has contributed significantly to knowledge in biology, life science, nanoscience and nanotechnology, materials science and engineering.