The formation of pyrochlore phase is inhibited by secondary synthesis,meanwhile the synthesis temperature of perovskite phase is decreased, reducing the volatilization of PbO in maximum.
二次合成法抑制了焦绿石相的生成,同时降低了钙钛矿相的合成温度,最大限度地降低了PbO的挥发。
参考来源 - 压电陶瓷相对1Being major subject, high-temperature proton conductors based on pyrochlore-type or fluorite-type oxides are reviewed concerning their structure properties, conductivities, conduction mechanism as well as the study status.
本文的研究对象是萤石型高温质子导体和烧绿石型高温质子导体,因此文章中对这两种质子导体的结构特点、离子传导机理、离子传导特性,以及在国内外的研究现状作为详细的阐述。
参考来源 - 烧绿石及萤石型高温质子导体合成及其在电化学合成氨中的应用It turns out that for Er_2Hf_2O_7 the defect fluorite structure is more stable than pyrochlore structure, agreeing well with previous investigations.
计算结果表明,Er_2Hf_2O_7的缺陷萤石结构比烧绿石结构更稳定,这与以前的研究结果是一致的。
参考来源 - 铪酸盐烧绿石几何与电子结构的第一性原理研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The experiment shows that, the pyrochlore phase can be rid of by the precursor synthesis.
结果表明,前驱体合成工艺能够在合成过程中避免焦绿石相的生成。
However, such materials are difficult to be fabricated without the appearance of a pyrochlore phase.
在铅基弛豫铁电材料的制备中,很难避免焦绿石相的出现。
Pt and Pt polynary systems, the pyrochlore-type oxide as the catalyst for methanol oxidation was reviewed.
综述了作为甲醇氧化催化剂的铂及铂的多元体系;钙钛矿型氧化物的研究现状。
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