Crystallization Kinetics of Cubic Boron Nitride in the B-N-Mg-H-F System |
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| Authors: | V B Shipilo O V Ignatenko N G Anichenko I I Azarko |
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| Affiliation: | (1) Institute of Solid-State and Semiconductor Physics, Belarussian Academy of Sciences, ul. Brovki 17, Minsk, 220072, Belarus;(2) Belarussian State University, Leningradskaya ul. 14, Minsk, 220080, Belarus |
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| Abstract: | The kinetics of the h-BN → c-BN transformation in a mixture of composition 78% h-BN + 5% NH4F + 2% B + 15% Mg are studied at 5 GPa and temperatures from 1670 to 1910 K. The activation energy of c-BN formation, temperature-dependent reaction rate constant, strength of the forming c-BN particles, and density of paramagnetic defects in c-BN are evaluated.__________Translated from Neorganicheskie Materialy, Vol. 41, No. 7, 2005, pp. 816–818.Original Russian Text Copyright © 2005 by Shipilo, Ignatenko, Anichenko, Azarko. |
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