Here’s looking at atoms, kid

by Martin Hjort

PhD. student

Lund University

Solar cells are made from a wide variety of semiconductors; materials that most people have trouble relating to. I believe that this is because most of the materials look alike on the macroscopic scale. At the atomic level, however, they reveal profound differences and display beautiful landscapes full of valleys and mountains. Portrayed in the image is the surface of such a material, gallium arsenide, where every hill is an individual arsenic atom. These surface studies are the topic of my PhD.

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