Preparation of high-entropy layered double hydroxides with a hydrotalcite structure
- 作者: Lebedeva O.E.1, Golovin S.N.1, Seliverstov E.S.1, Tarasenko E.A.1, Kokoshkina O.V.1, Smalchenko D.E.1, Yapryntsev M.N.1
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隶属关系:
- Belgorod State National Research University
- 期: 卷 70, 编号 1 (2025)
- 页面: 33–41
- 栏目: СИНТЕЗ И СВОЙСТВА НЕОРГАНИЧЕСКИХ СОЕДИНЕНИЙ
- URL: https://journals.rcsi.science/0044-457X/article/view/286258
- DOI: https://doi.org/10.31857/S0044457X25010043
- EDN: https://elibrary.ru/IAZEYF
- ID: 286258
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详细
High-entropy hexacationic layered double hydroxides of the cationic composition MgNiCoAlFeY were obtained by five different methods: coprecipitation at constant pH, coprecipitation at constant or variable pH followed by hydrothermal treatment, microwave assisted solvothermal, hydrothermal, mechanochemical method followed by hydrothermal treatment. All samples, except for the one obtained by coprecipitation at variable pH, are phase pure, with a uniform distribution of cations. The samples were characterized by X-ray diffraction, infrared spectroscopy, Raman spectroscopy, transmission electron microscopy. Thermal transformations of the samples were studied. The synthesis method affects the characteristics of the samples. The sample obtained by hydrothermal synthesis at variable pH possesses magnetic properties. The largest particles and those morphologically close to the hexagonal shape are formed by coprecipitation followed by hydrothermal treatment. The sample obtained by the microwave assisted solvothermal method is characterized by lower thermal stability.
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作者简介
O. Lebedeva
Belgorod State National Research University
编辑信件的主要联系方式.
Email: olebedeva@bsu.edu.ru
俄罗斯联邦, Belgorod, 308015
S. Golovin
Belgorod State National Research University
Email: olebedeva@bsu.edu.ru
俄罗斯联邦, Belgorod, 308015
E. Seliverstov
Belgorod State National Research University
Email: olebedeva@bsu.edu.ru
俄罗斯联邦, Belgorod, 308015
E. Tarasenko
Belgorod State National Research University
Email: olebedeva@bsu.edu.ru
留尼汪, Belgorod, 308015
O. Kokoshkina
Belgorod State National Research University
Email: olebedeva@bsu.edu.ru
俄罗斯联邦, Belgorod, 308015
D. Smalchenko
Belgorod State National Research University
Email: olebedeva@bsu.edu.ru
俄罗斯联邦, Belgorod, 308015
M. Yapryntsev
Belgorod State National Research University
Email: olebedeva@bsu.edu.ru
俄罗斯联邦, Belgorod, 308015
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