Abstract
Abstract New emission-based MeV nuclear microscopies have been in the process of development for the past four years. These techniques all fall under the heading of ion-induced emission microscopy (I-IEM), and the first to be developed was ion-electron emission microscopy (IEEM). With I-IEM the ion beam is not focused, but instead, secondary particles emitted when a single-ion strikes the sample are projected at great magnification onto a high efficiency single particle detector generating position signals. These X and Y signals are then put into coincidence with other signals made by this same ion in a fashion completely analogous to traditional nuclear microprobe analysis. In this paper, we update the current state of I-IEMs, which currently includes IEEM and highly charged ion-secondary ion mass spectroscopy (HCI-SIMS or IIEM) and ion-photon emission microscopy. At the present time none of these microscopies have atomic resolution, but the potential exists for resolution adequate for many scientific and nanotechnology applications.
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