Semiconductor memory device and method for fabricating the same

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate

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438 3, 438644, H01L 218242

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active

061366390

ABSTRACT:
A semiconductor memory device and method of fabricating the same, which improves adhesion of the lower electrode of a ferroelectric planar capacitor, and prevents inter-diffusion between the Pt electrode of the capacitor and adhesion layer placed under the Pt electrode. The semiconductor memory device includes an insulating layer formed on a substrate, a paraelectric layer formed on the insulating layer, and a conductive layer formed on the paraelectric layer.

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K. Sreenivas et al., "Investigation of Pt/Ti Bilayer Metallization on Silicon for Ferroelectric Thin Film Integration", J. Appl. Phys., vol. 75, No. 1, Jan. 1994, pp. 232-239.

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