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31nm Al 2 O 3, ZrO 2, HfO 2, … M1 M2 M3 M4 M5 © imec 2002.

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Presentation on theme: "31nm Al 2 O 3, ZrO 2, HfO 2, … M1 M2 M3 M4 M5 © imec 2002."— Presentation transcript:

1 31nm Al 2 O 3, ZrO 2, HfO 2, … M1 M2 M3 M4 M5 © imec 2002

2 Logic & Memory 2D interconnect Long lines between logic & memory through bus lines SOC solution: Large die,large size memory cells 3D-SOC interconnect Short, direct lines between Logic & Memory banks

3 Nanotechnology on smart Si nanoelectronics

4 Semiconducting nanowires 100nm SiO 2 Ti/TiN: 15nm 30 nm droplet. SiC: 50 nm diel Integrated catalysis

5 Carbon nanotubes

6 Wafer thinning 200 mm wafer CMOS wafer, thinned down to 50 µm thickness. Thinning by WSI, France

7 Scaling Limit of DRAM Maximum electric field Channel length decrease → Channel doping increase → Electric field increase → Junction leakage current increase → Retention time decrease  Cell transistor scaling Gatecontact Electric field distribution ( V/cm )

8  Flash + RAM Solution  New Memory Solution Simplified Data Process / No Buffer Memory Simplified Data Process / No Buffer Memory New Memory Applications Mobile Devices

9 Electroluminescent insulated molecular wires: cyclodextrin-threaded conjugated polyrotaxanes F. Cacialli et al. Nature Materials 1, 160 -164 (2002).

10 Ultra-high vacuum STM system used for the study

11 16 octahedral interstices are occupied by Fe 3+ and Fe 2+ ions in equal proportions 8 tetrahedral interstices are occupied by Fe 3+ ions 32 oxygen anions form an f.c.c. lattice Fe 3 O 4 Crystallographic structure


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