The PLD method, the raw material to the laser beam which is called the target (in the apparatus treated in this study KrF excimer laser having a wavelength of 243 nm) is irradiated, it is a method for depositing were sputtered from the target atoms as a thin film on the substrate. In the PLD method, since the reaction by a non-equilibrium process progresses, it is also possible to synthesize normal metastable materials which can not be obtained by. Therefore, the synthesis of a-TaON of metastable structures dealt with in this study is looping it hit. Further, since the gradually deposited one atomic layer, and stacking the desired atoms in desired order, it becomes possible to synthesize a new substance. The characteristics of the PLD method,
high melting point film is easy materials such as, oxide
displacement is less of target and the thin film of the component elements
can be precise control of the deposition rate by ablation laser conditions
exchange of target it is simple, easy to laminated heterogeneous thin film
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