| EXAFS Study of Ball-Milled Elemental Nanocrystalline Powders (1997) | |||||||||||||||
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Abstract | |||||||||||||||
| Nanocrystalline elemental powders of Cr, Fe, Ni, and Cu were prepared by high-energy ball milling and studied using EXAFS spectroscopy. Data were acquired in total electron yield to avoid thickness effects, and a detailed analysis was performed to obtain structural parameters. While significant amplitude reduction was observed in the EXAFS signals of the ball-milled powders, reduction in first neighbor coordination number based on curve-fitting was limited to ≤ 15%. The results are consistent with the presence of nanocrystalline structures and structural defects induced by the milling process. | |||||||||||||||
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