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Applied Physics Letters / Volume 94 / Issue 17 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 94, 173118 (2009); http://dx.doi.org/10.1063/1.3127514 (3 pages)

Logic inverters composed of controlled depletion-mode and enhancement-mode ZnO nanowire transistors

Gunho Jo, Woong-Ki Hong, Jongsun Maeng, Minhyeok Choe, Woojin Park, and Takhee Lee

Department of Nanobio Materials and Electronics and Department of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea

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(Received 12 November 2008; accepted 10 April 2009; published online 1 May 2009)

We demonstrate ZnO nanowire logic inverters consisting of n-channel depletion-mode (D-mode) transistors and n-channel enhancement-mode (E-mode) transistors that are selectively controlled by smooth- and corrugated-surface ZnO nanowires grown on two different types of substrates via a vapor transport method. Our inverter circuits, by combination of both D-mode and E-mode ZnO nanowire devices, show desired voltage transfer characteristics with a high gain and robust noise margin in a simple circuit design with less power dissipation, which makes them superior to logic inverters based on single-mode nanowire transistors.

© 2009 American Institute of Physics

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KEYWORDS and PACS

Keywords

II-VI semiconductors, logic gates, nanowires, semiconductor quantum wires, transistors, wide band gap semiconductors, zinc compounds

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3127514

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    R. M. Ma, L. Dai, and G. G. Qin, Appl. Phys. Lett. 90, 093109 (2007)APPLAB000090000009093109000001.

    W. -K. Hong, D. -K. Hwang, I. -K. Park, G. Jo, S. Song, S. -J. Park, T. Lee, B. -J. Kim, and E. A. Stach, Appl. Phys. Lett. 90, 243103 (2007)APPLAB000090000024243103000001.

    G. Jo, J. Maeng, T. -W. Kim, W. -K. Hong, M. Jo, H. Hwang, and T. Lee, Appl. Phys. Lett. 90, 173106 (2007)APPLAB000090000017173106000001.

    B. K. Crone, A. Dodabalapur, R. Sarpeshkar, R. W. Filas, Y. -Y. Lin, Z. Bao, J. H. O'Neill, W. Li, and H. E. Katz, J. Appl. Phys. 89, 5125 (2001)JAPIAU000089000009005125000001.


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