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| Content Provider | PubMed Central |
|---|---|
| Author | Yang, Ye Lan, Pinjun Wang, Muqin Wei, Tiefeng Tan, Ruiqin Song, Weijie |
| Copyright Year | 2012 |
| Abstract | Aluminum-doped zinc oxide ceramics with yttria doping (AZO:Y) ranging from 0 to 0.2 wt.% were fabricated by pressureless sintering yttria-modified nanoparticles in air at 1,300°C. Scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction analysis, a physical property measurement system, and a densimeter were employed to characterize the precursor nanoparticles and the sintered AZO ceramics. It was shown that a small amount of yttria doping can remarkably retard the growth of the as-received precursor nanoparticles, further improve the microstructure, refine the grain size, and enhance the density for the sintered ceramic. Increasing the yttria doping to 0.2 wt.%, the AZO:Y nanoparticles synthetized by a coprecipitation process have a nearly sphere-shaped morphology and a mean particle diameter of 15.1 nm. Using the same amount of yttria, a fully dense AZO ceramic (99.98% of theoretical density) with a grain size of 2.2 μm and a bulk resistivity of 4.6 × 10−3 Ω·cm can be achieved. This kind of AZO:Y ceramic has a potential to be used as a high-quality sputtering target to deposit ZnO-based transparent conductive films with better optical and electrical properties. |
| Related Links | http://dx.doi.org/10.1186/1556-276x-7-481 |
| Starting Page | 481 |
| File Format | |
| ISSN | 1556276X |
| e-ISSN | 1556276X |
| Journal | Nanoscale Research Letters |
| Issue Number | 1 |
| Volume Number | 7 |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2012-01-01 |
| Access Restriction | Open |
| Rights Holder | Springer |
| Subject Keyword | Materials Science(all) Condensed Matter Physics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Condensed Matter Physics |
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