Effect of Low-Temperature Annealing in Air on the Defect Structure of Oxide Nanoparticles

V. B. Vykhodets; T. E. Kurennykh

doi:10.17804/2410-9908.2023.6.026-034

V. B. Vykhodets, T. E. Kurennykh

EFFECT OF LOW-TEMPERATURE ANNEALING IN AIR ON THE DEFECT STRUCTURE OF OXIDE NANOPARTICLES

DOI: 10.17804/2410-9908.2023.6.026-034

It has been found that low-temperature annealing in air changes the defect structure of YSZ10 oxide nanoparticles synthesized by means of the laser evaporation of a ceramic target. The study is carried out with the use of deuterium probes. At a temperature of 350 ℃, with increasing annealing time, a monotonic decrease in the concentration of oxygen vacancies near the surface of nanoparticles is observed. This dependence is extreme at 200 ℃; at its first stage, the concentration of vacancies in the surface atomic layer of nanoparticles increases with time. An approach is proposed for the synthesis of nanoparticles with severe oxygen deficiency near the surface of oxide nanoparticles.

Acknowledgements: The research was carried out under the state assignment from the Ministry of Science and Higher Education of the Russian Federation (theme Function, No. 122021000035-6).

Keywords: nuclear reaction techniques, deuterium probes, YSZ10, nanopowder, defect structure

Bibliography:

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В. Б. Выходец, Т. Е. Куренных

ВЛИЯНИЕ НИЗКОТЕМПЕРАТУРНЫХ ОТЖИГОВ НА ВОЗДУХЕ НА ДЕФЕКТНУЮ СТРУКТУРУ ОКСИДНЫХ НАНОЧАСТИЦ

Установлено, что низкотемпературные отжиги на воздухе приводят к изменению дефектной структуры наночастиц оксида YSZ10, синтезированных по технологии лазерного испарения керамической мишени. Исследование выполнено с помощью методики дейтериевых зондов. При температуре 350 ℃ при увеличении времени отжига наблюдалось монотонное уменьшение концентрации кислородных вакансий вблизи поверхности наночастиц. При 200 ℃ эта зависимость была экстремальной, на ее первом этапе концентрация вакансий в поверхностном атомном слое наночастиц возрастала со временем. Предложен подход для синтеза наночастиц с сильным дефицитом кислорода вблизи поверхности оксидных наночастиц.

Благодарности: Работа выполнена в рамках государственного задания Минобрнауки России (тема «Функция», № 122021000035-6).

Ключевые слова: метод ядерных реакций, дейтериевые зонды, YSZ10, нанопорошок, дефектная структура

Библиография:

Detailed XPS analysis and anomalous variation of chemical state for Mn- and V-doped TiO2 coated on magnetic particles / Z. Chen, Y. S. Zhao, J. Q. Ma, C. Liu, Y. Ma // Ceramics International. – 2017. – Vol. 43, iss. 1. – P. 16763–16772. – DOI: 10.1016/j.ceramint.2017.09.071.
Salazar Cuaila J. L., Alayo W., Avellaneda C. O. Ferromagnetism in spin-coated cobalt-doped TiO2 thin films and the role of crystalline phases // Journal of Magnetism and Magnetic Materials. – 2017. – Vol. 442. – P. 212–217. – DOI: 10.1016/j.jmmm.2017.06.122.
Defects related room temperature ferromagnetism in Cu-implanted ZnO nanorod arrays / D. Li, D. K. Li, H. Z. Wu, F. Liang, W. Xie, C. W. Zou, L. X. Shao // Journal of Alloys and Compounds. – 2014. – Vol. 591. – P. 80–84. – DOI: 10.1016/j.jallcom.2013.11.205.
Kamat P. V. TiO2 nanostructures: recent physical chemistry advances // The Journal of Physical Chemistry C. – 2012. – Vol. 116. – P. 11849–11851. – DOI: 10.1021/jp305026h.
Jraba A., Anna Z., Elaloui E. Effects of Sr2+, Fe3+ and Al3+ doping on the properties of TiO2 prepared using the sol–gel method // Comptes Rendus Chimie. – 2019. – Vol. 22. – P. 648–658. – DOI: 10.1016/j.crci.2019.10.003.
Laser-synthesized Ce3+ and Pr3+ doped Y2O3 nanoparticles and their characteristics / I. Krutikova, M. Ivanov, A. Murzakaev, K. Nefedova // Materials Letters. – 2020. – Vol. 265. – 127435. – DOI: 10.1016/j.matlet.2020.127435.
Ghosh S., Nambissan P. M. G. Evidence of oxygen and Ti vacancy induced ferromagnetism in post-annealed undoped anatase TiO2 nanocrystals: a spectroscopic analysis // Journal of Solid State Chemistry. – 2019. – Vol. 275. – P. 174–180. – DOI: 10.1016/j.jssc.2019.04.010.
Oxygen vacancies: the (in)visible friend of oxide electronics / F. Gunkel, D. V. Christensen, Y. Z. Chen, N. Pryds // Applied Physics Letters. – 2020. – Vol. 116. – P. 120505. – DOI: 10.1063/1.5143309.
Characterization of YSZ ceramic nanopowders synthesized at different temperatures via polyacrylamide gel method / T. Liu, W. Chen, H. Ju, S. Yan, W. Ma // J. Wuhan Univ. Technol.-Mat. Sci. Edit. – 2020. – Vol. 35. – P. 528–534. – DOI: 10.1007/s11595-020-2289-2.
Vykhodets V. B., Kurennykh T. E. Characterization of defect structure of oxide nanoparticles with the use of deuterium probes // RSC Advances. – 2020. – Vol. 10. – P. 3837–3843. – DOI: 10.1039/C9RA05451K.
Jarvis E. A. A., Carter E. A. Metallic character of the Al2O3(0001)-(√31×√31)R±9° surface reconstruction // The Journal of Physical Chemistry B. – 2001. – Vol. 105. – P. 4045–4052. – DOI: 10.1021/jp003587c.
Inhomogeneous depletion of oxygen ions in oxide nanoparticles / V. B. Vykhodets, E. A. A. Jarvis, T. E. Kurennykh., I. V. Beketov S. I. Obukhov, O. M. Samatov, A. I. Medvedev, A. E. Davletshin, T. Whyte // Surface Science. – 2016. – Vol. 644. – P.141–147. – DOI: 10.1016/j.susc.2015.10.011.
Brunauer S., Emmett P., Teller E. Absorption of gases in multimolecular layers // Journal of the American Chemical Society. – 1938. – Vol. 60 (2). – P. 309–319. – DOI: 10.1021/JA01269A023.
Application of the nuclear reaction analysis online technique to study the diffusion of deuterium in metals / V. B. Vykhodets, O. A. Nefedova, S. I. Obukhov, T. E. Kurennykh, S. E. Danilov, E. V. Vykhodets // JETP Letters. – 2018. – Vol. 107. – P. 211–215. – DOI: 10.1134/S0021364018040148.

Библиографическая ссылка на статью

Vykhodets V. B., Kurennykh T. E. Effect of Low-Temperature Annealing in Air on the Defect Structure of Oxide Nanoparticles // Diagnostics, Resource and Mechanics of materials and structures. - 2023. - Iss. 6. - P. 26-34. -
DOI: 10.17804/2410-9908.2023.6.026-034. -
URL: http://dream-journal.org/issues/content/article_424.html
(accessed: 21.11.2024).