Precise control of number of carbon nanotube growth by current monitoring

M. Maeda; T. Kamimura; C. K. Hyon; K. Matsumoto

doi:10.1117/12.647024

28 February 2006 Precise control of number of carbon nanotube growth by current monitoring

M. Maeda, T. Kamimura, C. K. Hyon, K. Matsumoto

Proceedings Volume 6127, Quantum Sensing and Nanophotonic Devices III; 612713 (2006) https://doi.org/10.1117/12.647024
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

Abstract

Carbon nanotubes (CNTs) exhibit several technologically important characteristics such that metallic nanotubes can carry extremely large current densities; semiconducting nanotubes can be electrically switched on and off as field effect transistors (FETs), and so on CNT FETs with characteristics comparable to or exceeding state of the art Si based transistors have been demonstrated using a conventional FET design with high-κ ¹⁾ and SiO₂ dielectric ²⁾. In addition, CNTs have been successfully demonstrated as biological sensors with high sensitivity. It has been reported that the real time detection of single viruses ³⁾, small molecules ⁴⁾, and proteins ⁵⁾, ⁶⁾ becomes is possible with biosensors that use CNT transistors as the active transducer. For these applications of CNTs, the control of the number of CNT between electrodes is quite important technology. However, it is quite difficult and has not been realized yet. It is therefore, indispensable to control it for the future applications of CNT. In the present study, we have established the new technology to control the number of the CNT one by one during the growth of CNT by monitoring the electrical current between electrodes, which is named as "Digital Growth Process".

Citation Download Citation

M. Maeda, T. Kamimura, C. K. Hyon, and K. Matsumoto "Precise control of number of carbon nanotube growth by current monitoring", Proc. SPIE 6127, Quantum Sensing and Nanophotonic Devices III, 612713 (28 February 2006); https://doi.org/10.1117/12.647024

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