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Updated: Jun 8, 2026

Synthesis and Microdiffraction at Extreme Pressures and Temperatures
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Synthesis and Microdiffraction at Extreme Pressures and Temperatures

Published on: October 7, 2013

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石墨电阻加热钻石天电池用于同时进行高压和高温衍射实验

Huijeong Hwang1,2, Yoonah Bang3, Jinhyuk Choi3

  • 1Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany.

The Review of scientific instruments
|August 4, 2023
PubMed
概括

一个新的石墨电阻加热钻石天电池 (GRHDAC) 能够为高压,高温实验提供均的加热. 这种先进的设置对于研究地球地球上的地质物理过程至关重要.

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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...
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Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...