膨润土-氧化铁复合材料的结构特征及磁性能

IF 0.48 Q4 Physics and Astronomy

Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI:10.1134/S1062873824708079

M. N. Shipko, A. V. Noskov, M. A. Stepovich, A. V. Agafonov, O. V. Alekseeva, D. N. Yashkova, E. S. Savchenko

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引用次数: 0

摘要

采用化学共沉淀法合成了磁铁矿-磁铁矿混合固溶体和膨润土-氧化铁复合材料。与Fe3O4/γ-Fe2O3粉末相比，膨润土-氧化铁复合材料的残余磁化强度明显减弱，矫顽力明显增强。x射线衍射和Mössbauer光谱数据表明，膨润土影响了复合材料中磁铁矿-磁铁矿的结构特征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Structural Features and Magnetic Properties of Bentonite–Iron Oxide Composite Materials

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Structural Features and Magnetic Properties of Bentonite–Iron Oxide Composite Materials

A mixed magnetite–maghemite solid solution and a bentonite–iron oxide composite material are synthesized via chemical coprecipitation. It is found that the bentonite–iron oxides composite is characterized by considerably weaker residual magnetization and stronger coercive force than Fe₃O₄/γ-Fe₂O₃ powder. X-ray diffraction and Mössbauer spectroscopy data show that bentonite influenced structural features of the magnetite–maghemite in the composite.

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来源期刊

Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.90

自引率

0.00%

发文量

251

期刊介绍： Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.