HIGH RESOLUTION MICROSCOPY OF ANTIMONIDE HETEROSTRUCTURES AND STREPSIPTERA EYES
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We study different Antimonide heterostructure resulting from a calibration step for infrared photodetector and infrared laser. Using SEM and AFM, we found a trend in the density of surface features on Antimonide heterostructures as a function of the mismatch coefficient as well as the thickness of the epilayer. The second part of this thesis uses the same tool as before but focuses on biological samples. We wanted to learn more about the eye of Strepsitera species. We used the SEM with a focused ion beam to obtain three-dimensional data of the eye. We learned that the pigments of the eyelet are large, circular and nonreflective near the surface. Deeper in the eye, those pigments are smaller, stretched and reflective.
- OU - Theses