anything, as long as it's small

High-kappa dielectrics for advanced carbon-nanotube transistors and logic gates

Ali Javey, Hyoungsub Kim, Markus Brink, Qian Wang, Ant Ural, Jing Guo, Paul McIntyre, Paul McEuen, Mark Lundstrom, and Hongjie Dai

Nature Materials 1, 241 (2002)