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Synthesis kinetics and thermophysical properties of La2(Zr0.7Ce0.3)2O7 ceramic for thermal barrier coatings
来源： 《Journal of Rare Earths2012年第3期》——项建英 陈树海 黄继华 梁文建 曹艳军 汪瑞军 何箐
results showed that LZ7C3 was a mixture of La2Zr2O7 (LZ, pyro- chlore) and La2Ce2O7 (LC, fluorite). The lowest synthesis temperature and time of LZ7C3 were 1400 oC and 5 h. There were no peaks of La2O3......
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Structure properties and sintering densification of Gd2Zr2O7 nanoparticles prepared via different acid combustion methods
来源： 《Journal of Rare Earths2015年第2期》——马雷 马伟民 孙旭东 刘佳男 纪连永 宋晗
indicated that both methods could produce Gd2Zr2O7 nanopowders with an excellent defective fluorite structure. The reaction time was reduced by the SAC method, compared with the CAC method......
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Effect of the loading content of CuO on the activity and structure of CuO/Ce-Mn-O catalysts for CO oxidation
来源： 《Journal of Rare Earths2015年第6期》——赵福真 龚渺 李金林
wt.%, Cu species were well dispersed onto the Ce-Mn-O support or/and they formed a solid solution with CeO2(inside the fluorite lattice). At higher CuO content(CuO >5 wt.%), large CuO particles were......
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Preparation and characterization of SDC nanorods/LNC nanocomposite electrolyte
来源： 《Journal of Rare Earths2016年第7期》——许飞 李传明 汪镇涛 叶祝鹏 张渊 曾燕伟
that a well-cubic fluorite structure was formed. The AC impedance spectroscopy and DC polarization method were used to measure the electrical conductivities of nanocomposite electrolytes under different......
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Helium ion irradiation effects on neodymium and cerium co-doped Gd2Zr2O7 pyrochlore ceramic
来源： 《Journal of Rare Earths2018年第4期》——Qijun Hu Junsen Zeng Lan Wang Xiaoyan Shu Dadong Shao Haibin Zhang Xirui Lu
the GIXRD and Raman observations, the results indicate that all the samples display a deficient fluorite structure after irradiation. The irradiation toleration increases with the irradiation depth......
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Catalytic oxidation of CO on mesoporous codoped ceria catalysts:Insights into correlation of physicochemical property and catalytic activity
来源： 《Journal of Rare Earths2019年第9期》——Hongjian Zhu Yingying Chen Yibo Gao Wenxu Liu Zhongpeng Wang Chenchen Cui Wei Liu Liguo Wang
fluorite structure of CeO2 with high crystallinity and small crystallite size, forming Ce-based solid solutions. The obtained catalysts have large mesoporous structure with average pore size of 10-14 nm......
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河南嵩县车村至合裕一带萤石宝石学特征及产地化学特性
来源： 《世界有色金属2019年第16期》——宋嘉释
河南嵩县车村至合裕一带萤石宝石学特征及产地化学特性宋嘉释摘 要:萤石(Fluorite),又称"氟石",在矿物学中属萤石族,主要化学成分为CaF2.嵩县车村-栾川县合裕一带萤石矿具有产量较大,分布较为集中,矿床类型多等特点.对实地所采集的萤石样本进行常规宝石学测试,显微观察,紫外荧光,电感耦合等离子体发射光谱,EDTA滴定分析等试验方法进行分析测试,结果表明:栾川萤石样本结晶形态为块状,粒状集合体;可见参差状,亚贝壳状断口;颜色可见紫色,绿色,黄色呈团状,条带状渐变分布;亚玻璃光泽-弱玻璃光泽;半透明-微透明;均质体;折射率为1.434~1.1.436(单折射);无多色性;莫氏硬度4;显微观察可见裂隙,黑褐色,黄褐色等矿物固体,固液两项包裹体,偶见彩色薄膜干涉效应,可见颜色生长带,白色伴生矿物;紫外光......
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Thermophysical properties of Sm2(Zr1-xCex)2O7 ceramics
来源： 《Rare Metals2009年第3期》——ZHANG Hongsonga, SUN Kunb, XU Qiangc, WANG Fuchic, LIU Lingc, WEI Yuana, and CHEN Xiaogeaa Department of Mechanical Engineering, Henan Institute of Engineering, Zhengzhou , China b Department of Physics and Electronics, Chuxiong University, Chuxiong , China c School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, , China
) results reveal that Sm2(Zr0.9Ce0.1)2O7 with pyrochlore structure and Sm2(Zr1-xCex)2O7 (x=0.2 and 0.3) with fluorite structure were synthesized, and scanning electrical microscopy (SEM) images show......
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Synthesis and characterization of cerium-modified cubic mesoporous silica
来源： 《Rare Metals2011年第5期》——JIANG Wenqing a , WEI Hong b , and LI Ganzuo c a Advanced Material Institute of Research, Department of Chemistry, Qilu Normal University, Jinan , China b School of Chemistry and Chemical Engineering, Taishan Medical University, Taian , China c Key Laboratory of Colloid and Interface Chemistry (Ministry of Education of China), Shandong University, Jinan , China
-visible (UV-vis) spectroscopy confirms the presence of Ce(Ⅲ) in the octahedral position and Ce(Ⅳ) in the fluorite structure. X-ray photoelectron spectroscopy (XPS) studies further reveal that Ce......
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Effect of Phase Structure Evolution on Thermal Expansion and Toughness of(Nd1-xScx)2Zr2O7（x=0,0.025,0.05,0.075,0.1） Ceramics
来源： 《JOURNAL OF MATERIALS SCIENCE TECHNOLOG2017年第2期》——Xiaoxiang Zhao Lei Guo Caimei Wang Yu Zhang Fuxing Ye
and fluorite phases. With the increase of the Sc2O3 content, the ordering degree of the pyrochlore in the compounds decreased. In((Nd1-xScx))2Zr2O7 series,((Nd0.925Sc0.075))2Zr2O7 exhibited the largest TEC......
