two-window method
two-window method
A method used for qualitative element (elemental) mapping by EELS. In the "two-window method," a background intensity immediately before the inner-shell excitation (I1) and the peak intensity at the inner-shell excitation (I2) of a certain element are acquired. The ratio I = I2/ I1 is calculated. This method enables us to easily perform qualitative element mapping though it does not have a sufficient quantitative accuracy.
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