Citation: Qi Bing BO, Jing FENG, Hong Yan WANG, Jian MENG. Synthesis of New Solid Solutions on Neodymium-stabilized La₂Mo₂O₉[J]. Chinese Chemical Letters, ;2003, 14(2): 197-200. shu

Synthesis of New Solid Solutions on Neodymium-stabilized La₂Mo₂O₉

Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 15 April 2002

Fund Project: This research was supported by the State Key Program of Basic Research (G1998061311) and the National Natural Science Foundation of China (29831010).

A new ionic conductor La_2-xNd_xMo₂0₉，(x=0.0-2.0) has been synthesized by wet-chcmistry method. The precursors and the resultant oxide powders were characterized by DTA/IG, DSC, XRD and XPS techniques. Eflect ofsubslituting Nd for La reveals thal the phase transition which occurs in La₂Mo₂0₉ around 565℃ disappears when x>0.2. And The maximum amount of Nd stabilized the high temperature phase of β-La₂Mo₂O9 from cubic to tetragonal is about x=1.6.The measurements of impedance spectroscopy indicate that the ionic conductivity becomes considerably higher in comparison to that of La₂Mo2O₉.
- La_2-xNd_xMo₂O₉,
- thermal analysis,
- ionic conductor,
- molybdate
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