Linganisha mbinu
Pitia mbinu ulizochagua bega kwa bega; safu zinazotofautiana zinaangaziwa.
| XANES× | EXAFS× | |
|---|---|---|
| Nyanja | Spektroskopia | Spektroskopia |
| Familia | Process / pipeline | Process / pipeline |
| Mwaka wa asili≠ | 1975 | 1971 |
| Mwanzilishi≠ | Peter Lee | Edward Stern |
| Aina | Synchrotron technique | Synchrotron technique |
| Chanzo asilia≠ | Lee, P. A., & Pendry, J. B. (1975). Theory of extended x-ray absorption fine structure. Physical Review B, 11(8), 2795-2811. DOI ↗ | Sayers, D. E., Stern, E. A., & Lytle, F. W. (1971). New technique for investigating noncrystalline structures: Fourier analysis of the extended X-ray absorption fine structure. Physical Review Letters, 27(18), 1204-1207. DOI ↗ |
| Majina mbadala | XANES spectroscopy, near-edge X-ray absorption | EXAFS spectroscopy, X-ray absorption spectroscopy |
| Zinazohusiana | 3 | 3 |
| Muhtasari≠ | X-ray Absorption Near Edge Structure (XANES) is a synchrotron X-ray spectroscopy technique that measures the electronic and geometric structure around a specific atom by analyzing the X-ray absorption spectrum within about 50 eV of an absorption edge. Developed by Lee and Pendry in 1975, XANES is complementary to EXAFS and reveals valence state, local symmetry, and unoccupied orbital structure through near-threshold features and resonances. | Extended X-ray Absorption Fine Structure (EXAFS) is a synchrotron-based X-ray spectroscopy technique that measures the local geometric and electronic structure around a specific atom in any material, crystal or amorphous. Discovered by Sayers, Stern, and Lytle in 1971, EXAFS reveals interatomic distances, coordination numbers, and disorder in the atomic environment by analyzing oscillations in the X-ray absorption spectrum above an absorption edge. |
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