| 摘要 |
A capacitor of a semiconductor device is provided which includes a semiconductor substrate, an insulating interlayer formed on the semiconductor substrate, the insulating interlayer having a contact hole which exposes a predetermined portion of the semiconductor substrate, a plug filled in the contact hole, the plug coming into contact with the semiconductor substrate, a contact layer formed on the insulating interlayer, the contact layer coming into contact with the plug, first and second barrier layers formed on the surface and sides of the contact layer, a lower electrode formed on the first barrier layer, a dielectric layer formed on the second barrier layer and lower electrode, and a upper electrode formed on the dielectric layer.
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