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Magnetically Directed Self-Assembly of Carbon Nanotube Devices


  • We thank Dr. Amy Szuchmacher Blum for performing AFM analysis and Dr. Michael Miller for Magnetometry and MFM characterizations. We also thank Dr. Pehr Pehrsson and Dr. Miller for their helpful discussions on carbon nanotubes and the magnetic properties of permalloy. DPL also acknowledges the National Research Council for a post-doctoral fellowship at the Naval Research Laboratory. Supporting Information is available online from Wiley Interscience or from the authors.


A new method for the parallel fabrication of carbon nanotube (CNT) electronic devices is described. Self-assembly via magnetic entrapment exploits magnetic fields generated within micrometer- or nanometer-scale devices for the controlled deposition of susceptible species onto predefined contacts (see Figure). The fabrication of carbon nanotube field-effect transistors (CNFETs) using this method are discussed.

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