General expression; The sp3 join die boron nitride and the production manner, and utilizes this the functional material null general expression where it is shown with BN, hexagonal type 5H die or possess 6H die pleomorphic structure, radiate

摘要

PROBLEM TO BE SOLVED: To provide boron nitride having a novel crystal structure and a characteristic of emitting light in the ultraviolet region.;SOLUTION: There is provided sp3-bonding boron nitride which is represented by the general formula BN, has a hexagonal 5H or 6H type polymorphic structure and also has a characteristic of emitting light in an ultraviolet region.;COPYRIGHT: (C)2004,JPO