Goodfellow's Bismuth Top Hat Single Crystal is one of the single crystal materials offered in its range. This single crystal material has many variations and is used in fundemental and applied research across physics, chemistry, and materials science. For example, bismuth single crystals can serve as monochromators for x-rays or as electrodes in electrochemical studies, where their high purity and lack of grain boundaries are advantageous. Goodfellow offers Bismuth Top Hat Single crystals with specific orientations for investigating optical, electrical, and thermal properties. With 5 variations available, these single crystal samples enable researchers to study how orientation impacts physical phenomena.