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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">najo-1389</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ФИЗИКА</subject></subj-group></article-categories><title-group><article-title>Adiabatic and vertical ionization potentials of single-walled carbon nanotubes</article-title><trans-title-group xml:lang="ru"><trans-title>Адиабатические и вертикальные потенциалы ионизации одностенных углеродных нанотрубок</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрушенко</surname><given-names>И. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrushenko</surname><given-names>I. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрушенко Игорь Константинович, ведущий инженер, кандидат химических наукДомашний адрес: 664046, г. Иркутск, пер. Пограничный, 6-4Домашний телефон: (3952) 700-623Рабочий телефон: (3952) 405-903Мобильный телефон: +79021718345</p></bio><bio xml:lang="en"><p>Petrushenko Igor, engineer, PhD in chemistryPersonal address 664046, Pogranichniy lane 6-4, Irkutsk, RussiaHome phone number +7 (3952) 700-623Work phone number +7 (3952) 405-903Mobile phone number +79021718345</p></bio><email xlink:type="simple">igor.petrushenko@istu.edu</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Николай Аркадьевич, директор, кандидат физико-математических наук, доцентРабочий телефон: +7 (3952) 405-903Мобильный телефон: +7 (3952) 60-77-31</p></bio><bio xml:lang="en"><p>Ivanov Nikolay, Director, PhD in physics, associate professor Work phone number +7 (3952) 405-903Mobile phone number +7 (3952) 60-77-31</p></bio><email xlink:type="simple">ivnik@istu.edu</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ГОУ ВПО Иркутский государственный технический университет, Физико-технический институт, отдел лазерной физики и нанотехнологий<country>Россия</country></aff><aff xml:lang="en">Irkutsk State Technical University, Physical and Technical Institute<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ГОУ ВПО Иркутский государственный технический университет, Физико-технический институт<country>Россия</country></aff><aff xml:lang="en">Irkutsk State Technical University, Physical and Technical Institute<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>24</day><month>08</month><year>2025</year></pub-date><volume>3</volume><issue>6</issue><fpage>70</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Petrushenko I.K., Ivanov N.A., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Петрушенко И.К., Иванов Н.А.</copyright-holder><copyright-holder xml:lang="en">Petrushenko I.K., Ivanov N.A.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://nanojournal.ifmo.ru/jour/article/view/1389">https://nanojournal.ifmo.ru/jour/article/view/1389</self-uri><abstract><p>In this work, vertical and adiabatic ionization potentials of model single-walled carbon nanotubes (SWNT) were calculated by the DFT method. The changes of ionization potentials of structures with various lengths and diameters were analyzed. Geometry changes of SWNTs with various lengths upon ionization were revealed.</p></abstract><trans-abstract xml:lang="ru"><p>В данной работе в рамках теории функционала плотности рассчитанывертикальные и адиабатические потенциалы ионизации модельных одностенных углеродных нанотрубок (ОУНТ). Проанализированы тенденции изменений значений потенциалов ионизации при рассмотрении структур с различными длинами и диаметрами. Выявленыотличия в изменении геометрической структурыОУНТ различной длиныв процессе ионизации.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ОУНТ</kwd><kwd>потенциал ионизации</kwd><kwd>DFT</kwd><kwd>BP86</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SWNT</kwd><kwd>ionization potential</kwd><kwd>DFT</kwd><kwd>BP86</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Iijima S. Helical microtubules of graphitic carbon // Nature. 1991. 354, p. 568.</mixed-citation><mixed-citation xml:lang="en">Iijima S. Helical microtubules of graphitic carbon // Nature. 1991. 354, p. 568.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Wong E. W., Sheehan P. E. and Lieber С. М. 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