Accession Number : AD0824733

Title :   BORON NITRIDE.

Descriptive Note : Data sheets,

Corporate Author : HUGHES AIRCRAFT CO CULVER CITY CA ELECTRONIC PROPERTIES INFORMATION CENTER

Personal Author(s) : Neuberger, M.

Report Date : NOV 1967

Pagination or Media Count : 94

Abstract : A compilation is given of a wide range of electronic properties for boron nitride. These properties are compiled over the widest possible range of parameters and are then agglomerated in several large groups as follows: Optical properties include absorption, reflection and refraction. Transport properties include electrical conductivity and resistivity. Energy band structure includes energy gap values. Phonon branch distribution appears separately. Both photon and electron emission data are represented including spectral emissivity. Thermal properties include Debye temperature, thermal conductivity, and thermal emf. There are other individual properties and effects included, especially dielectric constant and dissipation factor. The introduction discusses the two polymorphic boron nitride forms; their crystal structure, lattice parameters and transition points. The isotropic and anisotropic boron nitride prepared by chemical vapor deposition is discussed from mechanical and electrical standpoint. Information is given on a number of boron nitride devices and applications. A table of the best values available for physical and electronic properties is given. (Author)

Descriptors :   (*BORON COMPOUNDS, ELECTRICAL PROPERTIES), (*NITRIDES, ELECTRICAL PROPERTIES), OPTICAL PROPERTIES, ABSORPTION SPECTRA, REFLECTION, REFRACTION, TRANSPORT PROPERTIES, ELECTRICAL CONDUCTIVITY, ELECTRICAL RESISTANCE, BAND THEORY OF SOLIDS, PHOTONS, ELECTRONS, EMISSIVITY, THERMAL PROPERTIES, CRYSTAL STRUCTURE, VAPOR PLATING.

Subject Categories : Inorganic Chemistry
      Ceramics, Refractories and Glass
      Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE