Can Any Molecular Crystal Be Used in Bragg's X-Ray Spectrometer?

In summary, Bragg's x-ray spectrometer works by passing x-rays through a crystal and measuring the angle of diffraction to identify elements present. It is used for elemental analysis and has high accuracy, but can be affected by various factors. Its advantages include high sensitivity and non-destructive analysis, while its limitations include the need for a crystalline sample and the inability to detect elements with low atomic numbers or provide information on chemical states or spatial distribution.
  • #1
smart_worker
131
1
In Bragg’s spectrometer used to determine the wavelength of X – rays why should we make use of only NaCl crystal,cant we use any other molecular crystal?:uhh:
 
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  • #2
You can use more or less any crystal you want, as long as the crystal quality is good enough and the d-spacing is large enough for the wavelength you want to measure. The most commonly used crystals are Si which you can get in pretty much perfect crystal quality, thanks to the semiconductor industry.
 

1. How does Bragg's x-ray spectrometer work?

Bragg's x-ray spectrometer works by passing x-rays through a crystal and measuring the angle at which the x-rays are diffracted. This angle corresponds to the spacing between the atoms in the crystal lattice, allowing for the identification of the elements present.

2. What is the purpose of using Bragg's x-ray spectrometer?

Bragg's x-ray spectrometer is used for elemental analysis and identification in various fields such as materials science, chemistry, and geology. It allows for the characterization of materials and the determination of their atomic structure.

3. How accurate is Bragg's x-ray spectrometer?

Bragg's x-ray spectrometer is highly accurate, with a typical precision of 0.1%. However, the accuracy can be affected by factors such as crystal quality, instrument calibration, and sample preparation.

4. What are the advantages of using Bragg's x-ray spectrometer over other techniques?

Bragg's x-ray spectrometer offers several advantages over other techniques, including high sensitivity, non-destructive analysis, and the ability to analyze a wide range of elements. It also allows for the analysis of small sample sizes and can provide information on the crystal structure of a material.

5. What are the limitations of Bragg's x-ray spectrometer?

Bragg's x-ray spectrometer has some limitations, such as the requirement for a crystalline sample and the inability to detect elements with low atomic numbers. It also cannot provide information on the chemical state of elements or the spatial distribution of elements in a sample.

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