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.
Face is a sense of worth that comes from knowing one's status and reflecting concern with the congruency between one's performance or appearance and one's real worth. (Huang 1987:71) Face means sociodynamic valuation, a lexical hyponym of words meaning prestige; dignity; honor; respect; status.