The influence of vacancy defects on the structural properties of single-walled carbon nanotubes

The work is devoted to the theoretical substantiation of the directional change in the structure of SWCNTs under ion irradiations of Ar++. It is shown that the introduction of vacancy defects in the structure of the graphene sheet leads to a significant change in its geometric characteristics. Th...

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Main Authors: E. V. Knyazev, V. E. Kan, V. A. Sachkov
Format: Article
Language:English
Published: Omsk State Technical University, Federal State Autonoumos Educational Institution of Higher Education 2018-07-01
Series:Омский научный вестник
Subjects:
Online Access:https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2018/3%20(159)/84-87%20%D0%9A%D0%BD%D1%8F%D0%B7%D0%B5%D0%B2%20%D0%95.%20%D0%92.,%20%D0%9A%D0%B0%D0%BD%20%D0%92.%20%D0%95.,%20%D0%A1%D0%B0%D1%87%D0%BA%D0%BE%D0%B2%20%D0%92.%20%D0%90..pdf
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author E. V. Knyazev
V. E. Kan
V. A. Sachkov
author_facet E. V. Knyazev
V. E. Kan
V. A. Sachkov
author_sort E. V. Knyazev
collection DOAJ
description The work is devoted to the theoretical substantiation of the directional change in the structure of SWCNTs under ion irradiations of Ar++. It is shown that the introduction of vacancy defects in the structure of the graphene sheet leads to a significant change in its geometric characteristics. The values of the bends of graphene sheet are given depending on the number of vacancy defects. The data of theoretical calculations are confirmed by experimental studies of SWCNT using the methods of Raman spectroscopy and transmission electron microscopy.
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spelling doaj-art-6067225f29754729aafd8cb9dc4241242025-02-02T03:57:16ZengOmsk State Technical University, Federal State Autonoumos Educational Institution of Higher EducationОмский научный вестник1813-82252541-75412018-07-013 (159)848710.25206/1813-8225-2018-159-84-87The influence of vacancy defects on the structural properties of single-walled carbon nanotubesE. V. Knyazev0V. E. Kan1V. A. Sachkov2Omsk Scientific Center of the Siberian Branch of the Russian Academy of SciencesOmsk Scientific Center of the Siberian Branch of the Russian Academy of SciencesOmsk Scientific Center of the Siberian Branch of the Russian Academy of SciencesThe work is devoted to the theoretical substantiation of the directional change in the structure of SWCNTs under ion irradiations of Ar++. It is shown that the introduction of vacancy defects in the structure of the graphene sheet leads to a significant change in its geometric characteristics. The values of the bends of graphene sheet are given depending on the number of vacancy defects. The data of theoretical calculations are confirmed by experimental studies of SWCNT using the methods of Raman spectroscopy and transmission electron microscopy.https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2018/3%20(159)/84-87%20%D0%9A%D0%BD%D1%8F%D0%B7%D0%B5%D0%B2%20%D0%95.%20%D0%92.,%20%D0%9A%D0%B0%D0%BD%20%D0%92.%20%D0%95.,%20%D0%A1%D0%B0%D1%87%D0%BA%D0%BE%D0%B2%20%D0%92.%20%D0%90..pdfnanosensoricscarbon nanotubesion irradiationstransmission electron microscopyraman spectroscopydensity functional theory
spellingShingle E. V. Knyazev
V. E. Kan
V. A. Sachkov
The influence of vacancy defects on the structural properties of single-walled carbon nanotubes
Омский научный вестник
nanosensorics
carbon nanotubes
ion irradiations
transmission electron microscopy
raman spectroscopy
density functional theory
title The influence of vacancy defects on the structural properties of single-walled carbon nanotubes
title_full The influence of vacancy defects on the structural properties of single-walled carbon nanotubes
title_fullStr The influence of vacancy defects on the structural properties of single-walled carbon nanotubes
title_full_unstemmed The influence of vacancy defects on the structural properties of single-walled carbon nanotubes
title_short The influence of vacancy defects on the structural properties of single-walled carbon nanotubes
title_sort influence of vacancy defects on the structural properties of single walled carbon nanotubes
topic nanosensorics
carbon nanotubes
ion irradiations
transmission electron microscopy
raman spectroscopy
density functional theory
url https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2018/3%20(159)/84-87%20%D0%9A%D0%BD%D1%8F%D0%B7%D0%B5%D0%B2%20%D0%95.%20%D0%92.,%20%D0%9A%D0%B0%D0%BD%20%D0%92.%20%D0%95.,%20%D0%A1%D0%B0%D1%87%D0%BA%D0%BE%D0%B2%20%D0%92.%20%D0%90..pdf
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