SIMS and depth profiling of semiconductor structures
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This paper reviews recent secondary ion mass spectrometry (SIMS) work on (i) isotope shifts in ion implantation profiles, (ii) dopant profiles in silicon and beam-induced oxidation and (iii) surface roughness and profile broadening of AlxGa1-xAs/GaAs superlattice structures. Comparison is made with other techniques, and, in particular, the issues of depth resolution and conversion between sputtering time and sample depth are emphasized.
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Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms