| 摘要 |
Disclosed herein is a method for fabricating a capacitor of a semiconductor device. The method comprises the steps of forming an interlayer insulating film on a semiconductor substrate, forming contact plugs connected to the semiconductor substrate though the interlayer insulating film, forming a first storage node oxide film include a PSG film on the contact plugs, cleaning the semiconductor substrate on which the first storage node oxide film include a PSG film is formed, using isopropyl alcohol (IPA), to remove water-soluble compounds, and forming a second storage node oxide film on the first storage node oxide film.
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