Ab initio Modeling of Boron Impurities Influence on Electronic Structure of Titanium Carbide
| Authors | T.V. Gorkavenko1 , I.V. Plyushchay1 , O.I. Plyushchay2 |
| Affiliations |
1Taras Shevchenko National University of Kyiv, 64/13, Volodymyrska Str., 01601 Kyiv, Ukraine 2G.V. Kurdyumov Institute for Metal Physics of the N.A.S. of Ukraine, 36, Academician Vernadsky Boulevard, 03142 Kyiv, Ukraine |
| Е-mail | |
| Issue | Volume 10, Year 2018, Number 6 |
| Dates | Received 21 September 2018; revised manuscript received 28 November 2018; published online 18 December 2018 |
| Citation | T.V. Gorkavenko, I.V. Plyushchay, O.I. Plyushchay, J. Nano- Electron. Phys. 10 No 6, 06018 (2018) |
| DOI | https://doi.org/10.21272/jnep.10(6).06018 |
| PACS Number(s) | 71.22. + i, 71.55. – i, 31.15.es, 81.05.Je |
| Keywords | Titanium carbide, Boron impurity, Electronic structure (3) . |
| Annotation |
The first principle calculation of the influence of boron impurities on the electronic structure of titanium carbide are presented. The calculation was performed using the density functional method in a generalized gradient approximation using the ABINIT program package. The total energy of the titanium carbide supercell with different amounts and location of impurity atoms is calculated. It is found that impurity boron atoms do not exhibit tendency to clusterization. The electronic structure changes and the general features of TiC supercell with boron impurities versus different impurities positions are analyzed. The impurity subzone of boron atoms between the local electron spectra 2s and 2p carbon states is formatted. The width and shape of the impurity subzone depends on the location and number of impurity atoms. |
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List of References English version of article |
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