carbon black in neat (no solvent) dehydrating of boric acid/carbon black (700-800°C, 2-3 h), treatment with nitrogen plasma jet (graphite crucible); electron microscopy;
参考文献
Inorganic Materials (Transl. of Neorg. Mater.), , vol. 15, p. 469 - 471
Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, , vol. 15, p. 602 - 604
Fe impurity in neat (no solvent) AlB2 (contg. Al, Fe and Al2O3 impurities) powder pressed uniaxially at 60 MPa; nitrided with N2 (8 atm) at 1900°C for 1 h; detd. by X-ray diffraction; composite contg. AlN, BN, FeB49 (trace) and Al5O6N (trace) obtained;
参考文献
Journal of the American Ceramic Society, , vol. 85, # 12 p. 2938 - 2944
aluminum oxide in neat (no solvent) AlB2 (contg. Al and Al2O3 impurities) powder pressed uniaxially at 60 MPa; nitrided with N2 (1 atm) at 1600°C for 1 h; detd. by X-ray diffraction; composite contg. AlN, Al1.67B22, BN and Al2O3 (trace) obtained;
参考文献
Journal of the American Ceramic Society, , vol. 85, # 12 p. 2938 - 2944
ferro-boron; iron Fe, .alpha. in neat (no solvent) B powder milled at room temp. for 150 h; annealed at 1200°C for 6h; the milling atm. was ammonia gas at pressure of 300 kPa; annealed in a tube furnace in N2 gas; monitored by NMR spectroscopy and powder X-ray diffraction;
参考文献
Solid State Communications, , vol. 134, # 6 p. 419 - 423
in neat (no solvent, gas phase) low-temp. chem. vapor deposition of BN on Si using HN3 and B2H6 (diluted with He) at 5 Torr deposition pressure and 375 - 475°C substrate temp.; apparatus described;; detn. by RHEED, Raman TO mode and IR spectroscopy; decontaminated with H and O;;
参考文献
Applied Physics Letters, , vol. 60, p. 3244 - 3246