Technological;
Educational Supporting Center in Takamatsu;
Kagawa National College of Technology;
Takamatsu;
Japan;
Graduate School of Environmental and Life Science;
Okayama University;
Okayama;
Japan;
General Education;
Kagawa National College of Technology;
Takamatsu;
Japan;
Nano-Island; Electrochemistry; Photoelectrochemistry; Niobium; and; Zinc; Oxide; Corrosion;