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Extremely large crystal grains are obtained by bromine doping in electrodeposited Cu 2 O on indium tin oxide (ITO) substrate through an acetate bath. The grains are as large as 10,000μm 2 in area, or ~100μm in linear dimension, while the film is only 1–5μm thick. The enhanced grain size is explained by the effect of over-potential for the Cu 2+ /Cu + redox couple on...
The Co-doped titanium dioxide nanotubes were synthesized via the aqueous solution reaction. After hydrogenation, room temperature ferromagnetism (RTFM) was found in the cobalt doped titanium dioxide nanotubes at 300 K by the vibrate sample magnetometer. As the concentration of cobalt increased, the observed ferromagnetism became stronger. The X-ray diffraction, scanning electron microscopy, high-resolution...
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