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期刊论文

XPS study of CeTbO3+δ synthesized by high pressure and temperature method

苏文辉Li Liping Wei Quan Liu Hongjian Zheng Dafang Wenhui

Z. Phys. B. 96, 451-454 (1995),-0001,():

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摘要/描述

The samples of CeTbO3+δsynthesized by high pressure and high temperature method were studied by XPS. It was found that Tb4+ ion began to transform to Tb3+ at about 600℃ and Ce4+ to Ce3+ about 800℃. Single phase compound of CeTO3+δ having fluorite structure was formed at 1000℃, and in the compoutnd the Ce ions had been in mixed valence state. Existence of Ce3+ ions in compounds could be detected with the shift of the 888 eV peak and the change of relative intensity of it to the 882 eV peak. The duration stability of CeTbO3+δsynthesized by high pressure and temperature method was investigayted.

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