Abstract
Demands of ferroelectric high-density memories using the integrated cells of significantly reduced size are expected to increase tremendously in upcoming ubiquitous era. Thus we suggest fabrication of three dimensional (3D) nanotube capacitors for high-density semiconductor memories. In this study fabrication of Bi 3.25La 0.75Ti 3O 12 (BLT) and Pt nanotubes for application in ferroelectric nanotube capacitors were investigated. BLT and Pt nanotubes were fabricated by wetting of porous alumina templates using polymeric metallic sources. Crystallization and nucleation of the nanotubes were analyzed by X-ray diffractometer and field emission-scanning electron microscope techniques. Rapid thermal and furnace annealing effects on nucleation and growth of BLT and Pt nanotubes were discussed.
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