Investigating Anharmonic XAFS Debye-Waller Factor of Crystalline Tungsten Based on Einstein Model
Journal Title: International Journal of Multidisciplinary Research and Analysis - Year 2024, Vol 7, Issue 06
Abstract
The anharmonic X-ray absorption fine structure (XAFS) Debye-Waller (DW) factor of the crystalline tungsten (W) has been investigated in the temperature-dependent. This DW factor is calculated in explicit forms using the quantum anharmonic correlated Einstein model developed from the correlated Einstein model based on the anharmonic effective potential and the quantum statistical theory. The numerical results of W in the temperature range from 0 to 900 K are in good agreement with those obtained by the other theoretical models and experiments at several temperatures. The analytical results show that the anharmonic correlated Einstein model is suitable for analyzing the experimental XAFS data of metals.
Authors and Affiliations
Nguyen Thi Minh Thuy
Keywords
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- EP ID EP738226
- DOI 10.47191/ijmra/v7-i06-54
- Views 29
- Downloads 0
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