The influence of a metalloid on ordered structure in titanium carbide |
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| Authors: | M. Yu. Tashmetov V. T. Em B. N. Savenko |
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| Affiliation: | (1) Institute of Nuclear Physics, Uzbekistan Academy of Sciences, 702132 Tashkent, Uzbekistan;(2) Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia |
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| Abstract: | X-ray and neutron diffraction were used to investigate the effect of oxygen and nitrogen atoms on the formation of the intermediate δ′-cubic (sp. gr. Fd3m) and δ″-tetragonal (sp. gr. P3121) ordered structures in titanium carbide. In TiC0.545O0.08, TiC0.545N0.09 samples that were investigated, the metal atoms were shifted from ideal positions in the direction from vacancies to metalloid atoms. In the intermediate cubic phase (δ′), the free-parameter values of titanium atoms in the two samples are the same, but are different from their analogous value in titanium carbide. Fiz. Tverd. Tela (St. Petersburg) 39, 2207–2209 (December 1997) |
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