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Xafs study on Eu@C_60

机译:Xafs对Eu @ C_60的研究

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摘要

Eu L_(III)-edge XAFS spectrum for EuC_(60) was measured at room temperature in order to clarify the position of the Eu atom. The distances between the Eu atom and the neighboring C atoms determined by XAFS showed clearly that the Eu atom was in the inside of C_(60) cage, and located on the off-center by 1.4 A. A XANES spectrum showed that the Eu atom took the mixed valence states of +2 and +3.
机译:在室温下测量EuC_(60)的Eu L_(III)-边缘XAFS光谱,以阐明Eu原子的位置。 XAFS测得的Eu原子与相邻C原子之间的距离清楚地表明Eu原子在C_(60)笼的内部,偏心距为1.4A。XANES光谱表明Eu原子取+2和+3的混合价态。

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