A researcher whose team used electron microscopy and X-ray spectroscopy to measure catalyst composition during gold-seeded gallium arsenide nanowire growth. Observing the catalyst while the wire grows addresses a central experimental difficulty: a particle examined after cooling need not preserve its working composition. Measuring the catalyst under growth conditions helps connect the supply of material to the liquid with the formation of new solid layers.[ref]
In situ analysis of catalyst composition during gold catalyzed GaAs nanowire growth by Carina B. Maliakkal and others. Abstract and in situ measurement method: catalyst composition during growth and limitations of post-growth analysis
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