Modifying surfaces by shooting particles at them - this technique, called 'sputtering', is indispensable in surface science. However, if the surface is not perfectly smooth and regular, it is hard to predict the result of the sputtering process. Scientists have now managed to explain the effect of particles on rough surfaces during sputtering - with implications for fusion research and even astrophysics.
from Latest Science News -- ScienceDaily https://ift.tt/3nQ3E2b
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