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Thermal Expansion of LaCoO3 张家芸1,闫柏军1,刘建华1 (1.Department of Physical Chemistry,University of Science and Technology Beijing,Beijing 100083,China) Abstract:High-temperature X-ray diffraction(HTXRD... in the cell parameters through the proposed first-order transition at 1210 K. Key words:metal materials; thermal expansion; high-temperature X-ray diffraction; LaCoO3; rare earths; [全文内容正在添加中] ......
coal were studied comprehensively based on X-ray diffraction (XRD), Raman spectroscopy (Raman) and infrared spectroscopy (FTIR) experiments. The rsults show that the mineral content decreases... activity structure of coal is much stronger than those of [EMIm]BF4. Key words: coal; activity structure; ionic liquids; X-ray diffraction, Raman spectroscopy; infrared spectroscopy 煤自燃现象普遍存在于煤矿井下,严重威胁......
of the X-ray incident angle[J]. Powder Diffraction, 2015, 30(3): 250-255. Influence of pre-stretched ratio on surface residual stress of 7055 aluminum alloy thick plate FAN Ning1, 2, 3, XIONG Bai-qing1... at 20-30 MPa. Key words: 7055 aluminum alloy thick plate; quench; pre-stretch; residual stress; X-ray diffraction method Foundation item: Projects(2016YFB0300803, 2016YFB0300903) supported by the National......
of microstructures of alloy MlNi3.75Co0.75Mn0.3Al0.2 (Ml-La-rich mischmetal) during the electrochemical hydriding-dehydriding process was studied by using in-situ X-ray diffraction method... for the hydride growth has also been proposed. Key words: in-situ X-ray diffraction; crystallite size; hydrogen storage alloy; hydride CLC number: TG139 Document code: A 1 INTRODUCTION Its......
were investigated by X-ray diffraction analysis, and the magnetocaloric effect for x=0-0.4 was studied by magnetization measurement. The samples were almost single phase with MgCu_2-type cu-bic...; magnetocaloric effect; X-ray diffraction; rare earths; [全文内容正在添加中] ......
compound 2 and terbium compound 3 were strong, red and green emitters, respectively. Key words:hydrothermal reaction; coordination polymer; X-ray diffraction; photoluminescence; rare earths; [全文内容正在添加中] ...''-dicarboxylate;phen=1,10-phenanthroline), were obtained by hydrothermal reaction of Ln2O3 with 2,2''-bipyridine-3,3''-dicarboxylate acid, and 1,10-phe-nanthroline. They were characterized by single-crystal X-ray......
nature. The ligand and the praseodymium(Ⅲ) com-plex were subjected to X-ray diffraction studies. Thermal decomposition behavior of the lanthanum(Ⅲ) complex was also examined. moiety. Key words:4-aminoantipyrine; acetylacetone; lanthanides; thermogravimetry; X-ray diffraction; rare earths; [全文内容正在添加中] ......
of the film. Key words:phosphor; chemical synthesis; X-ray diffraction; luminescence; rare earths; [全文内容正在添加中] ... diameter of 70 ~ 80 nm whereas the powder sintered at 900 ℃ for 4 h and 1000 ℃ for 4 h have shuttle-like and spherical shapes, respectively, with both sizes less than 1 μm.X-ray diffraction (XRD......
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Normal University,Xinxiang 453007, China) Abstract:Multiferroic Bi1-xGdxFeO3(x=0, 0.05, 0.1, 0.15, 0.2) ceramics were prepared by conventional solid state reaction method. X-ray diffraction was carried... be varied dramatically by substitution of Gd. Key words:dielectric constant; dielectric loss; X-ray diffraction; BiFeO3; rare earths; [全文内容正在添加中] ......
