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Updated: Aug 1, 2026

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
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关于使用单次曝光X射线暗场成像通过单个网格设置对样本微观结构的量化

Ying Ying How1, David M Paganin2, Kaye S Morgan2

  • 1School of Physics and Astronomy, Monash University, Clayton, VIC, 3800, Australia. Ying.How1@monash.edu.

Scientific reports
|July 7, 2023
PubMed
概括

这项研究引入了一种新的方法来量化X射线成像中的暗场信号,从而能够测量微观结构的大小. 这一进步有助于医学诊断,安全和材料科学应用.

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X-ray Diffraction of Biological Samples01:10

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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 crystal...