Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/27376
Title: Role of structural vacancies in the stabilization of the basic B1 structure in nonstoichiometric titanium monoxide TiO y
Authors: Kostenko, M. G.
Lukoyanov, A. V.
Zhukov, V. P.
Valeeva, A. A.
Rempel, A. A.
Issue Date: 2013
Citation: Role of structural vacancies in the stabilization of the basic B1 structure in nonstoichiometric titanium monoxide TiO y / M. G. Kostenko, A. V. Lukoyanov, V. P. Zhukov [et al.] // Bulletin of the Russian Academy of Sciences: Physics. — 2013. — Vol. 77. — № 3. — P. 309-312.
Abstract: The electron structures and formation enthalpies of vacancy-free cubic TiO, vacancy-ordered monoclinic Ti5O5, and vacancy-disordered cubic TiO y have been investigated using DFT+GGA calculations. Ti5O5 was found to be the stablest phase and TiO was found to be the least stable. The reason for the stability of the titanium and oxygen vacancies in the basic B1 structures of Ti5O5 and TiO y has been deduced. The titanium vacancies lead to a decrease in the Fermi energy. Oxygen vacancies cause strengthening in covalent Ti-Ti bonding. © 2013 Allerton Press, Inc.
Keywords: ELECTRON STRUCTURES
FORMATION ENTHALPY
NON-STOICHIOMETRIC
STRUCTURAL VACANCIES
TIO
TITANIUM MONOXIDE
OXYGEN VACANCIES
TITANIUM
URI: http://hdl.handle.net/10995/27376
SCOPUS ID: 84887516103
PURE ID: 911286
ISSN: 1062-8738
DOI: 10.3103/S1062873813030210
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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