Structure and performance of Cu nanowire array target for intense radiation source

Cu nanowire array targets have been fabricated with anodic aluminum oxide(AAO) template by pulsed electrodeposition, and characterized by scanning electron microscopy(SEM), energy-dispersive X-ray spectroscopy(EDS) and X-ray diffraction(XRD). It is found that the mean diameter of Cu nanowires is larger than the mean pore size of AAO template by 32%, and the length is shortened by 5% after the removal of the template. The specimen after a deposition time of 2 000 s was characterized for length distribution of Cu nanowires. The length of Cu nanowires increases as the distance to the center of the template increases. The production of Cu Kα photons from the interaction of ultrashort pulse laser with the targets was measured. It becomes larger with the mean length of Cu nanowires increasing f