作者: V T Davis , J S Thompson
DOI: 10.1088/0953-4075/37/9/015
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摘要: The electron affinity (EA) of europium has been measured using laser photodetachment spectroscopy. EA Eu(8S7/2) was determined to be 1.053 ± 0.025 eV. data also show that Eu− at least one bound excited state with binding energy 0.864 0.024 eV relative the ground atom. experimental results are consistent recent measurements lanthanide atoms whose anions predicted have [Xe](4fn 6p) (where n is odd) configurations.