A Comprehensive Study of the Local Atomic Structure of Promising Ti-Containing Compounds

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

A comprehensive study of the local atomic structure of titanium compounds obtained by mechanical activation (Ti–Al–C, Ti2AlC) and reference samples (Ti, TiH2) using EXAFS and EXELFS spectroscopy has been carried out. An analysis of the local atomic structure of titanium hydride shows that the presence of hydrogen expands the crystal lattice and leads to a change in the parameters of the local atomic structure. This change is observed both in the EXAFS and EXELFS spectra. It is shown that after mechanical activation, the coordination numbers decrease, which may indicate the formation of a multiphase system. Further annealing leads to the formation of the Ti2AlC compound, which is confirmed by the results of model calculations.

Авторлар туралы

I. Averkiev

Udmurt Federal Research Center Ural Branch of the RAS

Хат алмасуға жауапты Автор.
Email: averkiev1997@mail.ru
Russia, 426008, Izhevsk

O. Bakieva

Udmurt Federal Research Center Ural Branch of the RAS

Email: averkiev1997@mail.ru
Russia, 426008, Izhevsk

V. Kriventsov

Boreskov Institute of Catalysis Siberian Branch of the RAS

Email: averkiev1997@mail.ru
Russia, 630090, Novosibirsk

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© И.К. Аверкиев, О.Р. Бакиева, В.В. Кривенцов, 2023