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王广厚
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期刊论文
Isotopic effect in the formation of copper-ion clusters by neutral-argon-atom bombardment
PHYSICAL REVIEW B VOLUME 37, NUMBER 15 1988，-0001，（）：
8-keV neutral argon atoms arc used to bombard pure polycrystaUine copper for production of ion clusters which are analyzed by a high-precision mass spectrometer. The odd-even alternations in the secondary emission of copper-ion clusters together with various kinds of hetcroisotopic cluster ions are observed. For the first time the experiments have shown that the isotopic effect plays an important role in the formation of polyatomic cluster ions by sputtering.
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