SEM Image (IMAGE)

American Institute of Physics

SEM Image

Caption

The multi-phase thermoelectric Cu(1.97)Ag(0.03)Se consists of a main crystal structure of Cu(2)Se and an impurity phase with the crystal structure of CuAgSe. In this scanning electron microscope image the impurity phase shows up as light spots. The dark spots are voids in the crystal structure.

Credit

Tristan Day/Caltech

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