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Preparation of Yttria-Stabilized Nanocrystalline Zirconia with Tunable Optical Properties

机译:具有可调光学性质的氧化钇稳定的纳米氧化锆的制备

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We present a systematic study investigating yttria dopant concentrations effects on crystal phase compositions of zirconium dioxide (ZrO_2) and the respective bulk optical properties. (ZrO2). a traditional structural ceramic possesses excellent mechanical properties, while simultaneously possessing a wide band gap (5-7eV). This combination of properties opens the door for designs and fabrication of transparent structural ceramics. We use Current-Assisted Pressure Activated Densification (CAPAD), to achieve high heating rates, and comparatively short hold-times, which leads to ceramics with very fine grain sizes. This affords the opportunity to investigate, the effects of yttria dopant concentration on the resultant microstructure (grain size, phases and phase ratios).
机译:我们提供了一项系统研究,研究了氧化钇掺杂剂浓度对二氧化锆(ZrO_2)的晶相组成和各自的整体光学性能的影响。 (氧化锆)。传统的结构陶瓷具有出色的机械性能,同时具有宽带隙(5-7eV)。这些特性的组合为透明结构陶瓷的设计和制造打开了方便之门。我们使用电流辅助压力激活致密化(CAPAD),以实现较高的加热速率和较短的保持时间,从而使陶瓷具有非常细的晶粒尺寸。这提供了研究氧化钇掺杂剂浓度对所得微结构(晶粒尺寸,相和相比)的影响的机会。

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