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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2024-24-1-30-40</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-61</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="ru"><subject>ОПТИЧЕСКИЕ СИСТЕМЫ И ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPTICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Лазерно-индуцированное тепловое воздействие  на электрические характеристики фоточувствительных пленок  селенида свинца</article-title><trans-title-group xml:lang="en"><trans-title>Laser-induced thermal effect on the electrical characteristics of photosensitive  PbSe films</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9048-3031</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ольхова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Olkhova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольхова Анастасия Александровна — аспирант, младший научный сотрудник</p><p>Санкт-Петербург, 197101</p><p>sc 57814489800</p></bio><bio xml:lang="en"><p>Anastasiia A. Olkhova — PhD Student, Junior Researcher</p><p>Saint Petersburg, 197101</p><p>sc 57814489800</p></bio><email xlink:type="simple">olkhova.a.a@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5274-9692</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Патрикеева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Patrikeeva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Патрикеева Алина Александровна — студент, инженер </p><p>Санкт-Петербург, 197101</p><p> sc 57815254200</p></bio><bio xml:lang="en"><p>Alina A. Patrikeeva — Student, Engineer</p><p>Saint Petersburg, 197101</p><p>sc 57815254200</p></bio><email xlink:type="simple">patrikeeva17@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3251-6602</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бутяева</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Butyaeva</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бутяева Мария Алексеевна — студент, инженер</p><p>Санкт-Петербург, 197101</p><p>sc 58125613000</p><p> </p></bio><bio xml:lang="en"><p>Maria A. Butyaeva — Student, Engineer</p><p>Saint Petersburg, 197101</p><p>sc 58125613000</p></bio><email xlink:type="simple">maria.dubkova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0082-984X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пушкарева</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Pushkareva</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пушкарева Александра Евгеньевна — кандидат технических наук, ведущий инженер</p><p>Санкт-Петербург, 197101</p><p> sc 12791000500 </p></bio><bio xml:lang="en"><p>Alexandra E. Pushkareva — PhD, Leading Engineer</p><p>Saint Petersburg, 197101</p><p>sc 12791000500</p></bio><email xlink:type="simple">alexandra.pushkareva@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7399-7022</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Москвин</surname><given-names>М. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Moskvin</surname><given-names>M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москвин Михаил Константинович — младший научный сотрудник</p><p>Санкт-Петербург, 197101</p><p> sc 57194008858</p></bio><bio xml:lang="en"><p>Mikhail K. Moskvin — Junior Researcher</p><p> Saint Petersburg, 197101</p><p>sc 57194008858</p></bio><email xlink:type="simple">mkmoskvin@itmo.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2854-9954</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сергеев</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeev</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергеев Максим Михайлович — кандидат технических наук, доцент, старший научный сотрудник</p><p>Санкт-Петербург, 197101</p><p>sc 55624732300</p></bio><bio xml:lang="en"><p>Maksim M. Sergeev — PhD, Associate Professor, Senior Researcher</p><p>Saint Petersburg, 197101</p><p>sc 55624732300</p></bio><email xlink:type="simple">maxim.m.sergeev@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6071-3449</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вейко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Veiko</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вейко Вадим Павлович — профессор, доктор технических наук, профессор</p><p>Санкт-Петербург, 197101</p><p>sc 7005095644</p></bio><bio xml:lang="en"><p>Vadim P. Veiko — D.Sc., Full Professor</p><p> Saint Petersburg, 197101</p><p>sc 7005095644</p></bio><email xlink:type="simple">vpveiko@itmo.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>11</day><month>12</month><year>2024</year></pub-date><volume>24</volume><issue>1</issue><fpage>30</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ольхова А.А., Патрикеева А.А., Бутяева М.А., Пушкарева А.Е., Москвин М.К., Сергеев М.М., Вейко В.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ольхова А.А., Патрикеева А.А., Бутяева М.А., Пушкарева А.Е., Москвин М.К., Сергеев М.М., Вейко В.П.</copyright-holder><copyright-holder xml:lang="en">Olkhova A.A., Patrikeeva A.A., Butyaeva M.A., Pushkareva A.E., Moskvin M.K., Sergeev M.M., Veiko V.P.</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://ntv.elpub.ru/jour/article/view/61">https://ntv.elpub.ru/jour/article/view/61</self-uri><abstract><p>Введение. В работе представлено исследование влияния лазерного облучения кристаллических халькогенидных пленок селенида свинца на их электрические характеристики, вызванные необратимой модификацией структуры за счет валентной переконфигурации свинца в результате его окисления. Метод. Исследование особенностей модификации электрических свойств пленок выполнено в результате лазерного воздействия наносекундных импульсов с длиной волны 1064 нм. Измерения электрических характеристик пленок селенида свинца проводились с помощью четырехзондового метода. Основные результаты. Показано, что при направлении тока параллельно лазерным трекам, записанным в режиме потемнения, сопротивление модифицированной пленки снизилось на 44 % по сравнению с исходным образцом, а при перпендикулярном направлении тока сопротивление возросло на 153 %. Сопротивление пленки увеличилось более чем в 27 раз после лазерного облучения в режиме просветления вне зависимости от направления тока относительно лазерных треков. Экспериментально измеренные температура и ее градиент по лазерному пятну на пленке в режимах потемнения и просветления оказались в хорошем соответствии с предложенной математической моделью теплового воздействия лазерных импульсов. Показано, что процессы лазерной модификации пленок происходят при более низких температурах, чем при стандартной тепловой обработке в печи. Обсуждение. Полученные результаты могут быть применены при разработке фотодетекторов в среднем инфракрасном диапазоне спектра на основе пленки селенида свинца.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents a study of the effect of laser irradiation of crystalline chalcogenide films of lead selenide (PbSe) on their electrical characteristics caused by irreversible modification of the structure due to valence reconfiguration of lead as a result of its oxidation. The study of the modification features of the electrical properties of the films was carried out because of laser exposure to nanosecond pulses with a wavelength of 1064 nm. Measurements of the electrical characteristics of PbSe films were carried out using the four-probe method. It was shown that when the current was directed parallel to the laser tracks recorded in the darkening mode, the resistance of the modified film decreased by 44 % compared to the original sample, and with the perpendicular direction of the current, the resistance increased by 153 %. The resistance of the film increased more than 27 times after laser irradiation in the bleaching mode, regardless of the direction of the current relative to the laser tracks. The experimentally measured temperature and its gradient along the laser spot on the film in the darkening and bleaching modes turned out to be in good agreement with the proposed mathematical model of the thermal effect of laser pulses. It has been shown that the processes of laser modification of films occur at lower temperatures than during standard heat treatment in a furnace. The obtained results can be applied in the development of photodetectors in the middle IR range of the spectrum based on PbSe film.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерная модификация</kwd><kwd>пленки PbSe</kwd><kwd>оптические характеристики</kwd><kwd>режим потемнения</kwd><kwd>режим просветления</kwd><kwd>термообработка</kwd><kwd>лазерные импульсы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser modification</kwd><kwd>PbSe films</kwd><kwd>optical characteristics</kwd><kwd>darkening mode</kwd><kwd>bleaching mode</kwd><kwd>heat treatment</kwd><kwd>laser pulses</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена за счет средств гранта Российского научного фонда и гранта Санкт-Петербургского научного  фонда (проект № 23-29-10081). Исследование структуры методом СЭМ-электронной микроскопии проведено в Центре нанотехнологий Научного  парка Санкт-Петербургского государственного университета в рамках проекта № АААА-А19-119091190094.</funding-statement><funding-statement xml:lang="en">This research was funded by the Russian Science Foundation grant and a grant from the Saint Petersburg Science  Foundation (project no. 23-29-10081). The investigation of the structure by means SEM electron microscopy was carried out at the IRC for Nanotechnology of  the Science Park of Saint Petersburg State University within the framework of project No. АААА-А19-119091190094.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Tan C.L., Mohseni H. Emerging technologies for high performance infrared detectors // Nanophotonics. 2018. V. 7. N 1. 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