Accurate location and marking of grain boundaries using focused ion and electron beams
2000
Abstract We have investigated the 2×12° symmetric grain boundary of ( 0 0 1 ) oriented bicrystalline silicon substrates for high- T c superconductor applications using scanning focused ion beam (FIB) and electron beam (SEM). We successfully used the focused ion beam to detect and to mark the grain boundary and hence, to increase the accuracy of positioning the Josephson device with respect to the grain boundary of the silicon substrate. Both imaging methods have been compared using channeling effects of focused ion and electron beams in a dual beam system.
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