Accession Number : ADA257845


Title :   Pseudomorphic Stabilization of Diamond on Non-Diamond Substrates. Part 1. Diamond Grown on Single Crystal Beryllium Oxide. Part 2. Anomalous Band Gap Behavior and Phase Stability of c-BN/Diamond Alloys


Descriptive Note : Interim rept. 1 Jan 1991-30 Sep 1992


Corporate Author : CASE WESTERN RESERVE UNIV CLEVELAND OH


Personal Author(s) : Argoitia, A ; Angus, J C ; Wang, L ; Ning, X I ; Pirouz, P


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a257845.pdf


Report Date : 12 Oct 1992


Pagination or Media Count : 47


Abstract : Diamond was grown on single crystal beryllium oxide by hot-filament chemical vapor deposition. Individual diamond crystals grew epitaxially on the basal plane of BeO with the epitaxial relationship: (111)diamond // (0001) and 1 1 0 diamond rotated by less than 6 deg from 1150 BeO. Electronic structure calculations of mixed crystals of c-BN and diamond show pronounced band gap bowing. The calculations predict only very limited mutual solubility in the solid state.


Descriptors :   *STABILIZATION , *DIAMONDS , *SINGLE CRYSTALS , *SUBSTRATES , *EPITAXIAL GROWTH , *BERYLLIUM OXIDES , ELECTRONICS , STABILITY , SOLIDS , PHASE , POLYCRYSTALLINE , SOLUBILITY , BERYLLIUM , FILAMENTS , OXIDES , DEPOSITION , ALLOYS , CRYSTALS , VAPOR DEPOSITION , CHEMICALS , VAPORS , STRUCTURES , FILMS


Subject Categories : Inorganic Chemistry
      Physical Chemistry
      Properties of Metals and Alloys
      Crystallography


Distribution Statement : APPROVED FOR PUBLIC RELEASE