Annealing effect of scratch characteristics of ZnMgO epilayers on R-plane sapphire
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Hua-Chiang Wen
,
Ming-Chu Hsieh
Abstract
The nanotribological properties of Zn0.75Mg0.25O grown on R-plane sapphire using metal-organic vapor-phase epitaxy at different substrate temperatures (RT, 600, 700 and 800 °C) were investigated. A slight sliding track was observed at ramped loads of 250 μN, and an obvious bulge edge surrounding the groove was observed at ramped loads of 1 000 μN. Because of the annealing treatment, all the Zn0.75Mg0.25O coatings showed a reconstruction phenomenon of crystallites. The volumes of the bulge edges were as high as 30% in the annealed specimens and were larger than the volumes of the RT-treated specimens when ramped loads of 1 000 μN were applied. Under frictional loading, atomic force microscopy examination of scratch-tested films indicated lower bonding forces on R-plane sapphire than M-plane sapphire.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston, Germany
Artikel in diesem Heft
- Contents
- Original Contributions
- The influence of Cr, Al, Co, Fe and C on negative creep of Waspaloy
- Impact of Mo content on the microstructure– toughness relationship in the coarse-grained heat-affected zone of high-strength low-alloy steels
- Effect of Ag additions on the microstructure and phase transformations of Zn-22Al-2Cu (wt.%) alloy
- Effect of TiB2 addition on the microstructural, electrical, and mechanical behavior of Cu–TiB2 composites processed via spark plasma sintering
- Microstructure and mechanical characteristics of Cu-12.5Ni-5Sn-xFe sintered alloys
- Glass formation, magnetic properties, and electrical resistivity of the multi-component FeNbBCuNiCo amorphous alloys
- Electrochemical study of nickel nucleation mechanisms on glassy carbon at different pH values in an industrial electrolyte
- Structural, linear and non-linear optical properties of Cr-doped ZnO thin film for optoelectronics applications
- Annealing effect of scratch characteristics of ZnMgO epilayers on R-plane sapphire
- Review
- Development of high-insulating materials with aerogel for protective clothing applications – an overview
- Notifications
- Deutsche Gesellschaft für Materialkunde / German Materials Science Society
Artikel in diesem Heft
- Contents
- Original Contributions
- The influence of Cr, Al, Co, Fe and C on negative creep of Waspaloy
- Impact of Mo content on the microstructure– toughness relationship in the coarse-grained heat-affected zone of high-strength low-alloy steels
- Effect of Ag additions on the microstructure and phase transformations of Zn-22Al-2Cu (wt.%) alloy
- Effect of TiB2 addition on the microstructural, electrical, and mechanical behavior of Cu–TiB2 composites processed via spark plasma sintering
- Microstructure and mechanical characteristics of Cu-12.5Ni-5Sn-xFe sintered alloys
- Glass formation, magnetic properties, and electrical resistivity of the multi-component FeNbBCuNiCo amorphous alloys
- Electrochemical study of nickel nucleation mechanisms on glassy carbon at different pH values in an industrial electrolyte
- Structural, linear and non-linear optical properties of Cr-doped ZnO thin film for optoelectronics applications
- Annealing effect of scratch characteristics of ZnMgO epilayers on R-plane sapphire
- Review
- Development of high-insulating materials with aerogel for protective clothing applications – an overview
- Notifications
- Deutsche Gesellschaft für Materialkunde / German Materials Science Society
