Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 7, Issue 11, Pages 4194-4197Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2007.111
Keywords
nanowires; alumina template; SrTiO3; current pulse waveform
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Strontium titanate nanowires were electrochemically synthesized with nanoporous alumina template. Both chemical and electrical variables such as electrolyte pH, temperature, and current waveform were modulated to investigate the synthesis process of SrTiO3 nanowires. Superimposed cathodic pulse and diffusion time accelerated the growth of SrTiO3 nanowires, which suggested that the concentration of H+ and Sr2+ ion inside alumina template had a strong influence on the formation of SrTiO3 nanowires. Morphology and crystallinity of SrTiO3 nanowires were investigated with scanning electron microscope, X-ray diffractometer and energy dispersive X-ray spectroscopy.
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