Lecture 9 - Åbo Akademi
Lecture 9 - Åbo Akademi
Lecture 9 - Åbo Akademi
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Carbon Nanotube Interconnect:<br />
Open Problems<br />
• Inefficient metal-nanotube contacts<br />
• makes propagation delay with CNT interconnects higher than with<br />
Cu interconnects<br />
• Small MFP length<br />
• MFP lengths need to be increased to reduce CNT propagation<br />
delay<br />
• Density of nanotube bundles<br />
• needed for global CNT interconnects that perform better than Cu<br />
interconnects<br />
• Inductive effects at high frequencies<br />
• currently inductive effects are ignored but expected to become<br />
significant at very high frequencies