One application might help build better electronics. Electronics manufacturers such as Nitronex Corporation, which donated the piezoelectric materials used in the study, make devices grown out of gallium nitride (GaN) and aluminum nitride (AlN), which are grown on a substrate and consist of layers of very thin films.
Chin(noun) the lower extremity of the face below the mouth; the point of the under jaw. Chin(noun) the exterior or under surface embraced between the branches of the lower jaw bone, in birds.
beard (plural beards) Facial hair on the chin, cheeks and jaw. The cluster of small feathers at the base of the beak in some birds. The appendages to the jaw in some cetaceans, and to the mouth or jaws of some fishes.