Synthetics of ZnO Nanowires on GaN/Sapphire Substrate by Gold Catalyst

Chun Hua Xu; Kelvin Leung; Charles Surya

doi:10.4028/www.scientific.net/AMR.339.3

Paper Titles

Preface and Committees

Synthetics of ZnO Nanowires on GaN/Sapphire Substrate by Gold Catalyst
p.3

Discussion on Safety Management Mechanism of the LNG Carrier
p.7

Research and Designment of Untouched Phase-Detecting Sensor for High-Voltage Line
p.13

Research and Development of High Temperature Electrothermal Materials
p.17

Application of Modular Programming Based on Virtual Instruments in Industrial Measurement and Control System
p.23

Control of Automobile's Automatic Parking
p.28

Surface Defect Inspection and Classification of Segment Magnet by Using Machine Vision Technique
p.32

A Micro-Resistance Measurement Based Design Approach of Digital Micro-Ohmmeter
p.36

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 339Synthetics of ZnO Nanowires on GaN/Sapphire...

Synthetics of ZnO Nanowires on GaN/Sapphire Substrate by Gold Catalyst

Abstract:

ZnO nanowires were grown on Au-coated GaN layer on c-plane sapphire by chemical vapor deposition (CVD). As-prepared ZnO oxides were characterized by a scanning electron microscope (SEM) and a transmission electron microscope (TEM). The results show that the growth of ZnO nanowires strongly depends on the location of GaN/sapphire substrates. The diameters of the resulting nanowires were in the range 60 nm with typical length about 10μm. The formation of ZnO nanowires with different morphologies at various positions of the substrate is explained by the mechanisms of vapor-solid and vapor-liquid-solid, respectively.

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Advanced Materials Research (Volume 339)

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3-6

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https://doi.org/10.4028/www.scientific.net/AMR.339.3

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September 2011

Authors:

Chun Hua Xu, Kelvin Leung, Charles Surya

Keywords:

Chemical Vapor Deposition (CVD), Gan/Sapphire Substrate, Gold Catalyst, ZnO Nanowire

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