Back to articleA flattened and enlarged silicon carbide mesa is shown. The image is a scanning electron microscope photograph that looks like a flat hexagonal-shaped tabletop (the part of the structure that was experimentally grown), residing on top of smaller plus-sign-shaped mesa support legs (the part of the structure that is the pregrowth mesa pattern etched into the wafer surface prior to growth). The hexagonal tabletop width and the plus-sign-shaped support mesa width are approximately 50 micrometers. The thickness of the hexagonal tabletop itself is about 1 micrometer, and the height of the plus-shaped support structure is about 8 micrometers above the floor of the structure formed by the etched wafer surface. The lighter, V-shaped sections are the webbed material that was grown between the legs of the darker, plus-sign-shaped original mesa.
Last updated: June 25, 2003
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