词条 | Hollow atoms |
释义 |
Hollow Atoms (discovered in 1990 by a French team of researchers around Jean-Pierre Briand) are short-lived multiply excited neutral atoms which carry a large part of their Z electrons (Z ... projectile nuclear charge) in high-n levels while inner shells remain (transiently) empty. This population inversion arises for typically 100 femtoseconds during the interaction of a slow highly charged ion (HCI) with a solid surface. External links
1 : Atomic physics |
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