Electrical Characteristics of Hybrid Nanoparticle-Nanowire Devices

Gold nanoparticles synthesized by a colloidal method were deposited in an Al 2 O 3 dielectric layer of an omega-gated single ZnO nanowire FET. These gold nanoparticles were utilized as localized trap sites. The adsorption of the gold nanoparticles on an Al 2 O 3 -coated ZnO nanowire was confirmed by...

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Veröffentlicht in:IEEE transactions on nanotechnology 2009-09, Vol.8 (5), p.650-653
Hauptverfasser: JEONG, Dong-Young, KEEM, Kihyun, PARK, Byoungjun, CHO, Kyoungah, KIM, Sangsig
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creator JEONG, Dong-Young
KEEM, Kihyun
PARK, Byoungjun
CHO, Kyoungah
KIM, Sangsig
description Gold nanoparticles synthesized by a colloidal method were deposited in an Al 2 O 3 dielectric layer of an omega-gated single ZnO nanowire FET. These gold nanoparticles were utilized as localized trap sites. The adsorption of the gold nanoparticles on an Al 2 O 3 -coated ZnO nanowire was confirmed by high-resolution transmission electron microscopy. In this study, a hybrid nanoparticle-nanowire device was fabricated by conventional Si processing. Its electrical characteristics indicated that electrons in the conduction band of the ZnO nanowire can be transported to the localized trap sites by gold nanoparticles for gate voltages greater than 1 V, through the 10-nm-thick Al 2 O 3 tunneling oxide layer.
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subjects Applied sciences
Cross-disciplinary physics: materials science
rheology
Design. Technologies. Operation analysis. Testing
Dielectrics
Electric variables
Electron traps
Electronics
Exact sciences and technology
FET logic devices
FET memory integrated circuits
FETs
Gold
Integrated circuits
Integrated circuits by function (including memories and processors)
Materials science
memories
Nanoparticles
Nanoscale devices
Nanoscale materials and structures: fabrication and characterization
nanotechnology
Other topics in nanoscale materials and structures
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Transistors
Transmission electron microscopy
Voltage
Zinc oxide
title Electrical Characteristics of Hybrid Nanoparticle-Nanowire Devices
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