相关实验视频

Updated: Jul 13, 2025

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
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Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis

Published on: May 10, 2021

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通过电子衍射对纳米材料进行定量三维局部顺序分析

Ella Mara Schmidt1,2,3, Paul Benjamin Klar4,5, Yaşar Krysiak5,6

  • 1Faculty of Geosciences and MAPEX Center for Materials and Processes, University of Bremen, Bremen, Germany. ella.schmidt@uni-bremen.de.

Nature communications
|October 16, 2023
PubMed
概括

了解材料中的混乱是发现新属性的关键. 这项研究使用电子衍射和3D-ΔPDF分析量化了局部原子排序,验证了用伊特里亚稳定的方法.

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Published on: December 4, 2020

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Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles10:00

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

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相关概念视频

X-ray Diffraction of Biological Samples01:10

X-ray Diffraction of Biological Samples

X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
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X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
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