Mesoporous γ-AlOOH@Fe3O4 magnetic nanomicrospheres were synthesized using superparamagnetic Fe3O4 nanoparticles as the core and aluminum isopropoxide(AIP) as t
ZnO nanoparticles,10-20 nm in size,were synthesized by heat treatment in air at 500℃ for 5 h.,using [N,N-bis(salicylaldehydo) ethylene diamine]zinc(II),i.e.,Zn
Potassium sodium niobate(KNN) powders were synthesized by a modified sol-gel method,using as starting chemicals potassium carbonate,sodium carbonate,and niobium