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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-1054</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>Study of dynamics of microstructural transformations in crystalline yttria nanopowder</article-title><trans-title-group xml:lang="ru"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Ermakov</surname><given-names>R. P.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow.</p></bio><email xlink:type="simple">x-ray_diffraction@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>P. P.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Voronov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Prokhorov General Physics Institute, Russian Academy of Sciences</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>17</day><month>08</month><year>2025</year></pub-date><volume>4</volume><issue>6</issue><fpage>760</fpage><lpage>771</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ermakov R.P., Fedorov P.P., Voronov V.V., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ermakov R.P., Fedorov P.P., Voronov V.V.</copyright-holder><copyright-holder xml:lang="en">Ermakov R.P., Fedorov P.P., Voronov V.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://nanojournal.ifmo.ru/jour/article/view/1054">https://nanojournal.ifmo.ru/jour/article/view/1054</self-uri><abstract><p>This paper is a continuation of a previously reported study of the microstructure transformations in crystalline yttria nanopowder prepared by soft chemistry via precipitation from aqueous acidic nitrates. We have observed the aforementioned transformations over extended periods of time at 900 ◦C and 1100 ◦C (isothermal annealing) with the use of X-ray diffraction analysis (full profile analysis of reflections, etc.).</p></abstract><kwd-group xml:lang="en"><kwd>yttrium oxide</kwd><kwd>optical ceramics</kwd><kwd>X-ray diffraction phase analysis</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">Ermakov R.P, Fedorov P.P., Voronov V.V. X-ray diffraction study of the phase and morphology changes in yttrium compound nanoparticles. Nanosystems: physics, chemistry, mathematics, 4 (2), P. 196–205 (2013).</mixed-citation><mixed-citation xml:lang="en">Ermakov R.P, Fedorov P.P., Voronov V.V. X-ray diffraction study of the phase and morphology changes in yttrium compound nanoparticles. Nanosystems: physics, chemistry, mathematics, 4 (2), P. 196–205 (2013).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Sanghera J., Shaw B., Kim W. et al. Ceramic laser materials. Solid State Lasers XX: Technology and Devices, Proc. SPIE 7912, 79121Q (2011).</mixed-citation><mixed-citation xml:lang="en">Sanghera J., Shaw B., Kim W. et al. Ceramic laser materials. Solid State Lasers XX: Technology and Devices, Proc. SPIE 7912, 79121Q (2011).</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Lupei V., Lupei A., Ikesue A. Single crystal and transparent ceramic Nd-doped oxide laser materials: a comparative spectroscopic investigation. Journal of Alloys and Compaunds, 380, P. 61–70 (2004).</mixed-citation><mixed-citation xml:lang="en">Lupei V., Lupei A., Ikesue A. Single crystal and transparent ceramic Nd-doped oxide laser materials: a comparative spectroscopic investigation. Journal of Alloys and Compaunds, 380, P. 61–70 (2004).</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Greskovich ., Chernoch J.P. Polycrystalline ceramic lasers. J. Appl. Phys., 44, P. 4599–4606 (1973).</mixed-citation><mixed-citation xml:lang="en">Greskovich ., Chernoch J.P. Polycrystalline ceramic lasers. J. Appl. Phys., 44, P. 4599–4606 (1973).</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Ikegami T., Mori T., Li J., Moriyoshi Y. Fabrication of transparent yttria ceramics by the low-temperature synthesis of yttrium hydroxide. J. Amer. Ceram. Soc., 85, P. 1725–1729 (2002).</mixed-citation><mixed-citation xml:lang="en">Ikegami T., Mori T., Li J., Moriyoshi Y. Fabrication of transparent yttria ceramics by the low-temperature synthesis of yttrium hydroxide. J. Amer. Ceram. Soc., 85, P. 1725–1729 (2002).</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Mouzon J. Synthesis of Yb: Y2O3 Nanoparticles and Fabrication of Transparent polycrystalline yttria ceramics. Thesis. Lulea University of Technology. Sweden (2005).</mixed-citation><mixed-citation xml:lang="en">Mouzon J. Synthesis of Yb: Y2O3 Nanoparticles and Fabrication of Transparent polycrystalline yttria ceramics. Thesis. Lulea University of Technology. Sweden (2005).</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Baranchikov A. E., Ivanov V. K., Dmitriev A. V., et al. Chemical transformations of basic yttrium nitrates during ultrasonic-hydrothermal treatment. Russian J. Inorg. Chem., 51 (11), P. 1689–1695 (2006).</mixed-citation><mixed-citation xml:lang="en">Baranchikov A. E., Ivanov V. K., Dmitriev A. V., et al. Chemical transformations of basic yttrium nitrates during ultrasonic-hydrothermal treatment. Russian J. Inorg. Chem., 51 (11), P. 1689–1695 (2006).</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Fedorov P.P., Voronov V.V., et al. Evolution of Yttria nanoparticle ensembles. Nanotecnologies in Russia, 5 (9–10), P. 624–634 (2010).</mixed-citation><mixed-citation xml:lang="en">Fedorov P.P., Voronov V.V., et al. Evolution of Yttria nanoparticle ensembles. Nanotecnologies in Russia, 5 (9–10), P. 624–634 (2010).</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Ivanov V. K., Baranchikov A. E., Vanetsev A. S. et al. Effect of hydrothermal and ultrasonic/hydrothermal treatment on the phase composition and micromorphology of yttrium hydroxocarbonate. Russian J. Inorg. Chem., 52 (9), P. 1321–1327 (2007).</mixed-citation><mixed-citation xml:lang="en">Ivanov V. K., Baranchikov A. E., Vanetsev A. S. et al. Effect of hydrothermal and ultrasonic/hydrothermal treatment on the phase composition and micromorphology of yttrium hydroxocarbonate. Russian J. Inorg. Chem., 52 (9), P. 1321–1327 (2007).</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Fedorov P. P., Tkachenko E. A., et al. Yttrium Oxide Nanopowders from Carbonate Precursors. Russian J. Inorg. Chem., 55 (6), P. 883–889 (2010).</mixed-citation><mixed-citation xml:lang="en">Fedorov P. P., Tkachenko E. A., et al. Yttrium Oxide Nanopowders from Carbonate Precursors. Russian J. Inorg. Chem., 55 (6), P. 883–889 (2010).</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Cheary R.W., Coelho A.A. A fundamental parametrs approach to X-ray line-profile fitting. J. Appl. Cryst., 25, P. 109–121 (1992).</mixed-citation><mixed-citation xml:lang="en">Cheary R.W., Coelho A.A. A fundamental parametrs approach to X-ray line-profile fitting. J. Appl. Cryst., 25, P. 109–121 (1992).</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Cheary R.W., Coelho A.A., Cline J.P. Fundamental Parametrs Line Profile Fitting in Laboratory Diffrac- tometrs. J. Res. Natl. Inst. Standt. Technol., 109, P. 1–25 (2004).</mixed-citation><mixed-citation xml:lang="en">Cheary R.W., Coelho A.A., Cline J.P. Fundamental Parametrs Line Profile Fitting in Laboratory Diffrac- tometrs. J. Res. Natl. Inst. Standt. Technol., 109, P. 1–25 (2004).</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Rodriguez-Carvajal J., Roisnel T. Line broadening analysis using FullProf*: Determination of microstructural properties. European powder diffraction Epdic, 443 (4), P. 123–126 (2004).</mixed-citation><mixed-citation xml:lang="en">Rodriguez-Carvajal J., Roisnel T. Line broadening analysis using FullProf*: Determination of microstructural properties. European powder diffraction Epdic, 443 (4), P. 123–126 (2004).</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Pawley G.S. Unit-cell refinement from powder diffraction scans. J. Appl. Cryst., 14, P. 357–361 (1981).</mixed-citation><mixed-citation xml:lang="en">Pawley G.S. Unit-cell refinement from powder diffraction scans. J. Appl. Cryst., 14, P. 357–361 (1981).</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">LeBail A., Duroy H., Fourquet J.L. Abanitio structure determination of LiSbWO4 by X-ray powder diffraction. Mat. Res. Bull., 23, P. 447–452 (1998).</mixed-citation><mixed-citation xml:lang="en">LeBail A., Duroy H., Fourquet J.L. Abanitio structure determination of LiSbWO4 by X-ray powder diffraction. Mat. Res. Bull., 23, P. 447–452 (1998).</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Rietveld H.M. A profile refinement method for nuclear and magnetic structures. J. Appl. Cryst., 2, P. 65–71 (1969).</mixed-citation><mixed-citation xml:lang="en">Rietveld H.M. A profile refinement method for nuclear and magnetic structures. J. Appl. Cryst., 2, P. 65–71 (1969).</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Finger L.W. PROFVAL: functions to calculate powder-pattern peak profiles with axial divergence asymmetry, J. Appl. Cryst., 31, P. 111 (1998).</mixed-citation><mixed-citation xml:lang="en">Finger L.W. PROFVAL: functions to calculate powder-pattern peak profiles with axial divergence asymmetry,  J. Appl. Cryst., 31, P. 111 (1998).</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Williamson G.K., Hall W.H. X-ray line broadening from filed aluminium and wolfram. Acta Metallurgica, 1, P. 22–31 (1953).</mixed-citation><mixed-citation xml:lang="en">Williamson G.K., Hall W.H. X-ray line broadening from filed aluminium and wolfram. Acta Metallurgica, 1, P. 22–31 (1953).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
