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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 pub-id-type="doi">10.17586/2220-8054-2024-15-4-473-480</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-39</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>Diameter dependent geometrical and electrical properties of zigzag HgSe nanotubes: A density functional study.</article-title><trans-title-group xml:lang="ru"><trans-title>Геометрические и электрические свойства зигзагообразных нанотрубок HgSe, зависящие от диаметра: исследование функционала плотности</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9367-2612</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дас</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Das</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="en"><p>Monoj Das – Department of Physic</p><p>Gushkara, 71312</p></bio><email xlink:type="simple">dsmonoj@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Gushkara Mahavidyalay</institution><country>India</country></aff><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>05</month><year>2025</year></pub-date><volume>15</volume><issue>4</issue><fpage>473</fpage><lpage>480</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Das M., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Дас М.</copyright-holder><copyright-holder xml:lang="en">Das M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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/39">https://nanojournal.ifmo.ru/jour/article/view/39</self-uri><abstract><p>Using density functional theory, evolution of geometrical and electrical properties like wall width, binding energy, strain energy, band structure, density of states etc. of several zigzag HgSe nanotubes with diameters in the range of 11.59 to 21.74 *A are systematically investigated. It is noted that the walls of the nanotubes are gradually becoming thin with increasing tube diameter. This study reveals that the stability of the zigzag HgSe nanotube increases with increasing diameter. It is also perceived that zigzag HgSe nanotubes obey classical elasticity law. Band structure analysis reflects that all the zigzag HgSe nanotubes are direct band gap semiconductors and their band gaps slowly decrease with increasing diameter.</p></abstract><trans-abstract xml:lang="ru"><p>Используя теорию функционала плотности, систематически исследуется эволюция геометрических и электрических свойств, таких как ширина стенки, энергия связи, энергия деформации, зонная структура, плотность состояний и т. д. нескольких зигзагообразных нанотрубок HgSe с диаметрами в диапазоне от 11,59 Å до 21,74 Å. Отмечено, что стенки нанотрубок постепенно становятся тоньше с увеличением диаметра трубки. Это исследование показывает, что стабильность зигзагообразной нанотрубки HgSe увеличивается с увеличением диаметра. Также считается, что зигзагообразные нанотрубки HgSe подчиняются классическому закону упругости. Анализ зонной структуры показывает, что все зигзагообразные нанотрубки HgSe являются полупроводниками с прямой запрещенной зоной, и их запрещенные зоны медленно уменьшаются с увеличением диаметра.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Нанотрубка</kwd><kwd>Теория функционала плотности</kwd><kwd>Энергия связи</kwd><kwd>Запрещенная зона</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanotube</kwd><kwd>density functional theory</kwd><kwd>binding energy</kwd><kwd>band-gap</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. 56–58.</mixed-citation><mixed-citation xml:lang="en">Iijima S. 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