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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">mateltech</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Материалы электронной техники</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-3577</issn><issn pub-type="epub">2413-6387</issn><publisher><publisher-name>MISIS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1609-3577j.met202403.576</article-id><article-id custom-type="elpub" pub-id-type="custom">mateltech-576</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>Физические свойства и методы исследования</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHARACTERISTICS AND THEIR STUDY</subject></subj-group></article-categories><title-group><article-title>Процессы переключения и диэлектрические свойства монокристаллов ниобата бария-стронция, легированных ионами тулия и гольмия</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the cobalt ions diffusion processes in calcium orthovanadate crystals</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3418-7929</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кислова</surname><given-names>И. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Kislova</surname><given-names>I. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Желябова, д. 33, Тверь, 170100</p><p>Кислова Инна Леонидовна — канд. физ.-мат. наук, доцент кафедры физики конденсированного состояния</p></bio><bio xml:lang="en"><p>33 Zhelyabova Str., Tver 170100</p><p>Inna L. Kislova — Cand. Sci. (Phys.–Math.), Associate Professor of the Condensed Matter Physic Department</p></bio><email xlink:type="simple">inkis@mail.ru</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>Сергеева</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeeva</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Желябова, д. 33, Тверь, 170100</p><p>Сергеева Ольга Николаевна — канд. физ.-мат. наук, ведущий инженер</p></bio><bio xml:lang="en"><p>33 Zhelyabova Str., Tver 170100</p><p>Olga N. Sergeeva — Cand. Sci. (Phys.–Math.), Leading Engineer</p></bio><email xlink:type="simple">o_n_sergeeva@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зварич</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zvarich</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Желябова, д. 33, Тверь, 170100</p><p>Зварич Мария Сергеевна — магистрант физико-технического факультета</p></bio><bio xml:lang="en"><p>33 Zhelyabova Str., Tver 170100</p><p>Maria S. Zvarich — Master’s Student of the Condensed Matter Physic Department</p></bio><email xlink:type="simple">mariasergeevna27092014@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лыков</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lykov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Вавилова, д. 38, Москва, 119991</p><p>Лыков Павел Андреевич — канд. техн. наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>38 Vavilov Str., Moscow 119991</p><p>Pavel A. Lykov — Cand. Sci. (Eng.), Senior Research</p></bio><email xlink:type="simple">lykov@lst.gpi.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1643-9179</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ивлева</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivleva</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Вавилова, д. 38, Москва, 119991</p><p>Ивлева Людмила Ивановна — доктор техн. наук, главный научный сотрудник</p></bio><bio xml:lang="en"><p>38 Vavilov Str., Moscow 119991</p><p>Liudmila I. Ivleva — Dr. Sci. (Eng.), Chief Researcher</p></bio><email xlink:type="simple">ivleva@lst.gpi.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4044-8761</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солнышкин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Solnyshkin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Желябова, д. 33, Тверь, 170100</p><p>Солнышкин Александр Валентинович — доктор физ.-мат. наук, профессор физико-технического факультета</p></bio><bio xml:lang="en"><p>33 Zhelyabova Str., Tver 170100</p><p>Alexander V. Solnyshkin — Dr. Sci. (Phys.−Math.), Professor of the Condensed Matter Physic Department</p></bio><email xlink:type="simple">a.solnyshkin@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тверской государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tver State Universit</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Тверской государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tver State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт общей физики им. А.М. Прохорова Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Prokhorov General Physics Institute of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>06</month><year>2024</year></pub-date><volume>27</volume><issue>3</issue><fpage>262</fpage><lpage>270</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кислова И.Л., Сергеева О.Н., Зварич М.С., Лыков П.А., Ивлева Л.И., Солнышкин А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кислова И.Л., Сергеева О.Н., Зварич М.С., Лыков П.А., Ивлева Л.И., Солнышкин А.В.</copyright-holder><copyright-holder xml:lang="en">Kislova I.L., Sergeeva O.N., Zvarich M.S., Lykov P.A., Ivleva L.I., Solnyshkin A.V.</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://met.misis.ru/jour/article/view/576">https://met.misis.ru/jour/article/view/576</self-uri><abstract><p>Исследованы диэлектрические свойства и процессы переключения монокристаллов ниобата бария-стронция состава Sr0,61Ba0,39Nb2O6 (SBN61), легированных ионами гольмия (Ho3+) и тулия (Tm3+). Дисперсионные зависимости относительной диэлектрической проницаемости (ε) и тангенса угла диэлектрических потерь (tg δ) показали, что введение этих примесей приводит к увеличению диэлектрической проницаемости и неоднозначному изменению tg δ. Исследовано воздействие постоянного электрического поля на диэлектрические параметры кристаллов. Показано, что в поляризованных беспримесных образцах и образцах SBN61 : Tm значения диэлектрической проницаемости уменьшаются, а в образцах SBN61 : Ho и SBN61 : Tm + Ho возрастают. Поляризация всех исследованных образцов приводит к уменьшению значения тангенса угла диэлектрических потерь. Исследования температурного поведения диэлектрической проницаемости показали, что введение примесей тулия и гольмия в кристаллы SBN61 приводит к уменьшению максимального значения диэлектрической проницаемости в районе фазового перехода и расширению области Кюри. Наибольшее размытие максимума диэлектрической проницаемости зафиксировано в образцах SBN61 с примесью гольмия и с двойной примесью Ho+Tm. На основе регистрации петель диэлектрического гистерезиса исследованы процессы переключения при комнатной температуре в переменном поле напряженностью до 4 кВ/cм. Рассмотрены особенности процессов переключения в примесных образцах SBN. В кристаллах с примесью гольмия, а также в образцах с малой концентрацией тулия величина коэрцитивного поля (EС) значительно увеличивается, а переключаемой поляризации (P) уменьшается по сравнению с беспримесными образцами SBN и образцами с высокой концентрацией гольмия. Полученные результаты исследований кристаллов SBN, легированных ионами тулия и гольмия, можно связать со структурным разупорядочением и формированием доменной структуры в зависимости от типа и концентрации легирующего иона.</p></abstract><trans-abstract xml:lang="en"><p>The dielectric properties and switching processes of polarization in single crystals of strontium barium niobate Sr0.61Ba0.39Nb2O6 (SBN61) doped with holmium (Ho3+) and thulium (Tm3+) ions were studied. Dielectric measurements showed that the incorporation of these ions in the crystal lattice led to an increase of the dielectric constant (ε) and an ambiguous change in dielectric loss tangent (tan δ). In addition, the effect of a constant electric field (polarizing effect) on the dielectric parameters of the crystals was studied. Dielectric permittivity of SBN61 crystals undoped and doped with Tm3+ (SBN61:Tm) was decreased after the dc-field, while a value of ε for SBN61 doped with Ho3+ (SBN61:Ho) and holmium + thulium ions (SBN61:Tm+Ho) was increased. For all samples, the dielectric loss tangent became lower due to polarizing process. Temperature behavior study of the dielectric constant revealed that the presence of thulium and holmium ions into SBN61 crystal lattice caused decreasing the maximum value of ε in the phase transition region and broadening the Curie region. For the SBN61:Ho and SBN61:Tm+Ho samples, the broadest diffusion of the dielectric constant maximum was observed near the phase transition region. On the base of ferroelectric hysteresis loops, the polarization switching processes were studied in the samples under an ac-field up to 4 kV/cm at room temperature. Main features of the switching processes of the SBN61 samples doped with Ho3+ and Tm3+ were noted. In crystals doped with holmium ions as well with a low thulium ions concentration, the coercive field value (EC) was significantly higher and the switched polarization (P) was lower as compared to pure SBN61 samples and crystals doped with a high holmium concentration. The study results obtained for SBN crystals doped with thulium and holmium ions were discussed on the base of structural disorder and domain structure changes depending on the type and concentration of the doping ions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ниобат бария стронция</kwd><kwd>примесь ионов тулия и гольмия</kwd><kwd>диэлектрическая спектроскопия</kwd><kwd>процессы переключения поляризации</kwd><kwd>фазовый переход</kwd></kwd-group><kwd-group xml:lang="en"><kwd>strontium barium niobate</kwd><kwd>doping with holmium and thulium ions</kwd><kwd>dielectric spectroscopy</kwd><kwd>polarization switching process</kwd><kwd>phase transition</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Российского научного фонда за счет гранта № 23-22-00224, https://rscf.ru/project/23-22-00224/</funding-statement><funding-statement xml:lang="en">This work was supported by the Russian Science Foundation (project No. 23-22-00224, https://rscf.ru/project/23-22-00224/).</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">Кузьминов Ю.С. 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