Highly crystalline, near monodisperse TiO2 nanoparticles, nanorods and their metal-ion-doped (Sn4+, Fe3+, Co2+, and Ni2+, etc.) derivatives have been prepared by well-controlled solvothermal reactions. Through adjusting the reaction parameters, such as reaction temperature, duration, and concentration of the reactants, the size, shape, and dispersibility of the products can be controlled. A possible reaction mechanism can be proposed based on experimental evidence.
It is distinctly indispensable to develop new high density storage of information because of its explosively increase.Super-resolution near-field structure (super-RENS), which breaks through the size limit of classical optics, is one of the most promising ways. In this paper, the newest highlighted progresses in researches of mechanism and material are discussed, and some problems in the future improvement are also analyzed.
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