Abstract

In this work we examine the opportunity to combine the advantages of two well- known experimental techniques – ellipsometry and scanning electron microscopy (SEM). Ellipsometry has very high sensitivity in the direction normal to the sample's surface while the lateral resolution is limited by the width of the probe beam, while the scanning electron microscopy has better lateral, but limited in-depth resolution. The electron beam can induce local changes in the electron density and the temperature of the sample, which alters the reflectance coefficient and can be potentially detected by optical methods and ellipsometry in particular.

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