Wide-angle X-ray scattering (WAXS) spectroscopy

In summary, Wide-angle X-ray scattering (WAXS) spectroscopy is a technique used to study the atomic and molecular structure of materials by directing an X-ray beam at a sample and measuring the scattering of the X-rays. It covers a wider range of X-ray wavelengths than other techniques, making it more comprehensive. It can be used to study a variety of materials, including crystalline materials, liquids, glasses, polymers, and biological samples. Data is collected and analyzed using software, and the technique has applications in materials science, chemistry, biology, and pharmaceuticals.
  • #1
anupama sharma
8
1
I read the "J. Phys. Chem. B 2018, 122, 7616−7624" paper where they calculated the pair distribution function using wide-angle X-ray scattering and mentioned the term " The distances to the first coordination shell for low-, high-, and very-high-density amorphous ice (LDA, HDA, VHDA) were determined to be 2.75, 2.78, and 2.80 Å, respectively, with high accuracy due to measurements up to a large momentum transfer of 23 Å−1 ". Can anybody help me in understanding the term? How the range of momentum
 
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  • #2
It seems like your final question is cut off.
 

1. What is Wide-angle X-ray scattering (WAXS) spectroscopy?

Wide-angle X-ray scattering (WAXS) spectroscopy is a technique used in materials science and chemistry to study the structure of materials at the atomic and molecular level. It involves shining a beam of X-rays onto a sample and measuring the diffraction pattern of the scattered X-rays, which can provide information about the arrangement of atoms and molecules in the material.

2. How does WAXS spectroscopy work?

In WAXS spectroscopy, a beam of X-rays is directed onto a sample, causing the atoms and molecules in the sample to scatter the X-rays in different directions. The scattered X-rays are then collected and analyzed to determine the diffraction pattern, which can reveal information about the structure and organization of the sample's constituents.

3. What types of materials can be studied using WAXS spectroscopy?

WAXS spectroscopy can be used to study a wide range of materials, including crystalline and amorphous solids, liquids, and gases. It is particularly useful for studying materials with complex structures, such as polymers, proteins, and nanoparticles.

4. What are the advantages of using WAXS spectroscopy?

WAXS spectroscopy offers several advantages over other techniques for studying material structure. It is non-destructive, meaning the sample remains intact after analysis, and it can provide information about both short- and long-range order in a material. It is also relatively fast and can be used to analyze materials in situ, meaning in their natural state.

5. How is WAXS spectroscopy used in scientific research?

WAXS spectroscopy is used in a variety of scientific research fields, including materials science, chemistry, biology, and physics. It can be used to study the structure of new materials, investigate changes in material structure under different conditions, and understand the properties and behavior of materials at the atomic and molecular level. It is also commonly used in quality control and industrial applications to ensure the consistency and integrity of materials.

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