Size-dependent Structural Disorder in Nanocrystalline Cu Probed by Synchrotron-based X-ray Techniques
Elemental Cu nanocrystals were synthesized in thin film SiO2 by ion implantation and thermal annealing. The local atomic structure and nanocrystal size distribution were investigated by means of extended X-ray absorption fine structure (EXAFS) spectroscopy and small angle X-ray scattering (SAXS), respectively. We quantify the bondlength contraction and increased structural disorder in the nanocrystals as compared to a bulk Cu reference. Both are proportional to the inverse of the nanocrystal...[Show more]
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|Source:||Nuclear Instruments and Methods in Physics Research: Section B|
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