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X-ray powder diffraction study of the WO3⇌W20O58 shear transformation

Изучение преоБразования сдвига WO3⇌W20O53 Рентгеновыми лучами порошко-диффракционным методом

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Acta Physica Academiae Scientiarum Hungaricae

Abstract

By means of continuous high-temperature diffractometry the shear model of the crystallographic transformation: WO3⇌W20O58 was experimentally studied. Solid state reaction in the range 500–600°C results in defective beta-tungsten-oxide structures, the shear between adjacent blocks being random instead of parallel-equidistant. A difference has been established between the mechanism of reduction and oxidation.

Резюме

Непрерывным высокотемпературным диффракциометром изучается экспериментально модель сдвига кристаллографического преобразования WO3⇌W20O58. Реакция твёрдого состояния в интервале температур 500–600°C результирует в дефекте структуру бетаокиси вольфрама, сдвиг между смежными блоками беспорядочен вместо параллельноэквидистантного. Устанавливается различие между механизмами раскисления и окисления.

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References

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Authors and Affiliations

  1. Department for Testing of Basic Materials, Institute for Telecommunication Technique, Budapest

    P. Gadó

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  1. P. Gadó
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Gadó, P. X-ray powder diffraction study of the WO3⇌W20O58 shear transformation. Acta Phys. Hung. 18, 111–117 (1965). https://doi.org/10.1007/BF03157982

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  • DOI: https://doi.org/10.1007/BF03157982

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