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IEICE TRANSACTIONS on Electronics

InAs Nanowire Circuits Fabricated by Field-Assisted Self-Assembly on a Host Substrate

Kai BLEKKER, Rene RICHTER, Ryosuke ODA, Satoshi TANIYAMA, Oliver BENNER, Gregor KELLER, Benjamin MUNSTERMANN, Andrey LYSOV, Ingo REGOLIN, Takao WAHO, Werner PROST

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Summary :

We report on the fabrication and analysis of basic digital circuits containing InAs nanowire transistors on a host substrate. The nanowires were assembled at predefined positions by means of electric field-assisted self-assembly within each run generating numerous circuits simultaneously. Inverter circuits composed of two separated nanowire transistors forming a driver and an active load have been fabricated. The inverter circuits exhibit a gain (>1) in the MHz regime and a time constant of about 0.9 ns. A sample & hold core element is fabricated based on an InAs nanowire transistor connected to a hold capacitor, both on a Silicon and an InP isolating substrate, respectively. The low leakage read-out of the hold capacitor is done by InP-based metal-insulator heterojunction FET grown on the same substrate prior to nanowire FET fabrication. Experimental operation of the circuit is demonstrated at 100 MHz sampling frequency. The presented approach enables III/V high-speed, low-voltage logic circuits on a wide variety of host substrates which may be up scaled to high volume circuits.

Publication
IEICE TRANSACTIONS on Electronics Vol.E95-C No.8 pp.1369-1375
Publication Date
2012/08/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E95.C.1369
Type of Manuscript
Special Section PAPER (Special Section on Heterostructure Microelectronics with TWHM 2011)
Category
Emerging Devices

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