Preparation and thermophysical properties of nano-sized Ln(2)Zr(2)O(7) (Ln = La, Nd, Sm, and Gd) ceramics with pyrochlore structure
文献类型:期刊论文
作者 | Wang CJ(王春杰)1,2; Wang Y(王悦)1; Cheng YL(程永亮)3![]() |
刊名 | Journal of Materials Science
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出版日期 | 2012 |
卷号 | 47期号:10页码:4392-4399 |
ISSN号 | 0022-2461 |
通讯作者 | 曹学强 |
英文摘要 | Rare earth zirconates (Ln2Zr2O7, Ln = La, Nd, Sm, and Gd) with pyrochlore structure were prepared by hydrothermal method with polyethylene glycol as surfactant. X-ray diffraction, thermogravimetric analysis/differential scanning calorimetry, Fourier transform infrared spectroscopy, Raman spectroscopy, and field emission scanning electron microscopy were utilized to characterize the phase structure, thermal decomposition, and morphology of the products. Qualitative analysis indicates that the as-prepared zirconates are pyrochlore-type structures. The specific surface area, lattice parameter, and average crystallite size of the as-prepared products are closely related to the ionic radius. The activation energy of crystal growth shows an increasing trend with the decrease in ionic radii. The sintering behavior of compacted body was also investigated, revealing that the sintering-resistance properties of Ln2Zr2O7 are descending as the order of La2Zr2O7, Nd2Zr2O7, Sm2Zr2O7, and Gd2Zr2O7. |
学科主题 | 材料科学与物理化学 |
收录类别 | SCI |
资助信息 | NSFC-50825204;NSFC-20921002;NSFC-51101143;Hunan Furong Scholarship |
语种 | 英语 |
WOS记录号 | WOS:000302242700019 |
公开日期 | 2016-05-03 |
源URL | [http://210.77.64.217/handle/362003/19555] ![]() |
专题 | 兰州化学物理研究所_固体润滑国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resources Utilizat, Changchun 130022, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China |
推荐引用方式 GB/T 7714 | Wang CJ,Wang Y,Cheng YL,et al. Preparation and thermophysical properties of nano-sized Ln(2)Zr(2)O(7) (Ln = La, Nd, Sm, and Gd) ceramics with pyrochlore structure[J]. Journal of Materials Science,2012,47(10):4392-4399. |
APA | Wang CJ.,Wang Y.,Cheng YL.,Huang WZ.,Khan, Zuhair S..,...&Cao XQ.(2012).Preparation and thermophysical properties of nano-sized Ln(2)Zr(2)O(7) (Ln = La, Nd, Sm, and Gd) ceramics with pyrochlore structure.Journal of Materials Science,47(10),4392-4399. |
MLA | Wang CJ,et al."Preparation and thermophysical properties of nano-sized Ln(2)Zr(2)O(7) (Ln = La, Nd, Sm, and Gd) ceramics with pyrochlore structure".Journal of Materials Science 47.10(2012):4392-4399. |
入库方式: OAI收割
来源:兰州化学物理研究所
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