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Title: Исследование карбида молибдена методом спектроскопии комбинационного рассеяния
Other Titles: Research of molybdenum carbide by raman spectroscopy
Authors: Васильева, Юлия Захаровна
Кононенко, П. Н.
Пак, Александр Яковлевич
metadata.dc.contributor.advisor: Пак, Александр Яковлевич
Keywords: карбид молибдена; спектроскопия; комбинационное рассеяние; возобновляемые источники энергии
Issue Date: 2020
Publisher: Изд-во ТУСУР
Citation: Васильева Ю. З. Исследование карбида молибдена методом спектроскопии комбинационного рассеяния / Ю. З. Васильева, П. Н. Кононенко, А. Я. Пак ; науч. рук. А. Я. Пак // Перспективы развития фундаментальных наук : сборник научных трудов XVII Международной конференции студентов, аспирантов и молодых ученых, г. Томск, 21-24 апреля 2020 г. : в 7 т. — Томск : Изд-во ТУСУР, 2020. — Т. 1 : Физика. — [С. 46-48].
Abstract: Molybdenum carbides crystalline phases are well-known polymorphs with useful technological applications including sensors, electronics, and catalysis. According to Mo-C known phase diagram, several polymorphs can exist under ambient conditions. One of the promising synthesis techniques is DC arc plasma. Nowadays, recent trends focus on the non-vacuum arcing procedure in ambient conditions which is possible due to carbon monoxide generation during the synthesis process. This phenomenon as a result of graphite electrodes usage can prevent the oxidation of the synthesis products. As an advantage of this method should be noted the possible cost benefits through the lower energy consumption, also the productivity can be increased by our approach. In this contribution, the arc plasma method is investigated for the crystalline molybdenum carbides synthesis. According to the X-ray diffraction results, the Mo2C and Mo1.2C0.8 crystalline phases were synthesized. Raman spectroscopy confirms the presence and high crystallinity of these MoC phases. This work shows an inexpensive and promising way to obtain molybdenum carbides with potential in optoelectronics, environmental, and energy applications.
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