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.
Figuratively, a chink in oneâs armor refers to a personal rather than physical vulnerability. Some modern psychologists have adopted the word armor to mean âcharacter or personality,â emphasizing those aspects of oneâs character which are formed in defense and serve self-protective functions.