简介：
Overview
This article describes a beamline setup for rapid two-dimensional x-ray fluorescence and x-ray microdiffraction mapping of single crystal or powder samples. The technique provides valuable information about strain, orientation, phase distribution, and plastic deformation.
Key Study Components
Area of Science
- Mineralogy
- Petrology
- Material Science
Background
- X-ray microfluorescence and microdiffraction allow for correlated elemental and crystallographic analysis.
- Samples can be up to 10 centimeters without vacuum requirements.
- Technique simplifies sample preparation compared to EBSD.
- Applicable to both natural and synthetic samples, including those that have undergone plastic deformation.
Purpose of Study
- To analyze grain and phase distribution in mineralogy and petrology.
- To provide insights into mineral physics and chemistry.
- To improve the understanding of plastic deformation in rocks.
Methods Used
- Attach crystalline sample to a kinematic base.
- Ensure the region of interest is vertically displaced by at least 15 millimeters.
- Mount the base on the stage in the experimental hutch.
- Conduct measurements in a closed hutch environment.
Main Results
- Successful mapping of strain and orientation in samples.
- Correlated elemental and crystallographic data obtained.
- Facilitated analysis of both natural and synthetic samples.
- Demonstrated effectiveness in studying plastic deformation.
Conclusions
- The method enhances the understanding of mineralogical and petrological properties.
- It simplifies the sample preparation process significantly.
- Offers a versatile approach for studying various types of samples.
What types of samples can be analyzed?
Samples can include thin sections, embedded samples, or whole rocks.
What is the main advantage of this technique?
It provides correlated elemental and crystallographic analysis at the micron scale without vacuum requirements.
How does this method compare to EBSD?
This technique simplifies sample preparation and allows for the analysis of samples that have undergone plastic deformation.
What information can be obtained from the mapping?
The mapping provides insights into strain, orientation, phase distribution, and plastic deformation.
Is this method applicable to synthetic samples?
Yes, it is applicable to both natural and synthetic samples.
What is the required sample size?
Samples can be up to 10 centimeters in size.
繁體中文
