Пожалуйста, используйте этот идентификатор, чтобы цитировать или ссылаться на этот ресурс: http://elar.urfu.ru/handle/10995/103012
Название: Impact of Alkali Ions Codoping on Magnetic Properties of La(0.9)A(0.1)Mn(0.9)Co(0.1)O(3) (A: Li, K, Na) Powders and Ceramics
Авторы: Głuchowski, P.
Nikonkov, R.
Tomala, R.
Stręk, W.
Shulha, T.
Serdechnova, M.
Zarkov, A.
Murauskas, T.
Pakalaniškis, A.
Skaudžius, R.
Kareiva, A.
Kholkin, A.
Bushinsky, M.
Latushka, S.
Karpinsky, D.
Дата публикации: 2020
Издатель: MDPI AG
Библиографическое описание: Impact of Alkali Ions Codoping on Magnetic Properties of La(0.9)A(0.1)Mn(0.9)Co(0.1)O(3) (A: Li, K, Na) Powders and Ceramics / P. Głuchowski, R. Nikonkov, R. Tomala, et al. — DOI 10.3390/app10248786 // Applied Sciences (Switzerland). — 2020. — Vol. 10. — Iss. 24. — P. 1-12. — 8786.
Аннотация: The aim of the work was to check how the introduction of alkali and cobalt ions into a manganese structure can affect the structural disorder and, in consequence, lead to the changes (improvements) of magnetic properties. The high-pressure sintering technique was applied to check if the external factor can modify the magnetization of manganites. Nanocrystalline La0.9A0.1Mn0.9Co0.1O3 (where A is Li, K, Na) powders were synthesized by the combustion technique. The respective powders were used for nanoceramics preparation by the high-pressure sintering technique. The structure and morphology of the compounds were studied by X-ray powder diffraction, scanning electron microscopy and energy-dispersive X-ray spectroscopy. Magnetization studies for all compounds were performed in order to check the changes induced by either codoping or the sintering pressure. It was found that the type of the dopant ion and sintering pressure produced significant changes to the magnetic properties of the studied compounds. Alkali ions lead to the stabilization of Co ions in the +2 oxidation state and the formation of positive exchange interactions Mn3+–Mn4+ and Co2+–Mn4+ and the subsequent increase in remanent magnetization. High sintering pressure leads to a decrease in grain size and reduction of long-range ferromagnetic order and lower magnetization. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Ключевые слова: ALKALINE IONS
MAGNETIZATION
MANGANITES
MULTIFERROIC
NANOCERAMICS
TRANSITION METAL IONS
URI: http://elar.urfu.ru/handle/10995/103012
Условия доступа: info:eu-repo/semantics/openAccess
Идентификатор SCOPUS: 85102905322
Идентификатор WOS: 000602915700001
Идентификатор PURE: 20455998
ISSN: 20763417
DOI: 10.3390/app10248786
Сведения о поддержке: This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska‐Curie grant agreement No 778070–TransFerr–H2020‐MSCA‐RISE‐ 2017. Part of this work was developed within the scope of the project CICECO‐Aveiro Institute of Materials, UIDB/50011/2020 and UIDP/50011/2020, financed by national funds through the Portuguese Foundation for Science and Technology/MCTES. The equipment of the Ural Center for Shared Use “Modern nanotechnology” UrFU was used. The work has been supported in part by the Ministry of Science and Higher Education of the Russian Federation under Project № FEUZ‐2020‐0054.
Располагается в коллекциях:Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC

Файлы этого ресурса:
Файл Описание РазмерФормат 
2-s2.0-85102905322.pdf5,13 MBAdobe PDFПросмотреть/Открыть


Все ресурсы в архиве электронных ресурсов защищены авторским правом, все права сохранены.