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Jae-Hyun Lee, Sun Bae Lee, Young-Wook Chang, Sung-In Kim, Jinwoo Cheon, Kyung-Hwa Yoo
"DNA Linker Controlled Single Electron Tunneling Behavior of Nanoparticle Assembly"
J. Appl. Phys., 98 (8), 84315
Date: Oct 15, 2005

We report an efficient method for the fabrication of a single electron transistor (SET) using DNA-assisted assembly of nanoparticles. In this method, the DNA molecules function not only as the assembler, but also as the modulator for the electron tunneling behaviors of single electron transistors. A study of the assembly between an Au nanoparticle (∼10nm) and various lengths of DNA molecules confirms the effectiveness of this method in creating a SET. Most devices exhibited clear single electron effects.

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