Magnetic Properties of Ultrafine ε-Fe 2 O 3  Nanoparticles in a Silicon Xerogel Matrix

Yu. V. Knyazev; S. S. Yakushkin; D. A. Balaev; A. A. Dubrovsky; S. V. Semenov; O. A. Bayukov; V. L. Kirillov; O. N. Martyanov

doi:10.3103/S1062873819070219

Magnetic Properties of Ultrafine ε-Fe₂O₃ Nanoparticles in a Silicon Xerogel Matrix

作者: Knyazev Y.V.¹, Yakushkin S.S.², Balaev D.A.¹, Dubrovsky A.A.¹, Semenov S.V.¹, Bayukov O.A.¹, Kirillov V.L.², Martyanov O.N.²
隶属关系:
1. Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences
2. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
期: 卷 83, 编号 7 (2019)
页面: 875-877
栏目: Article
URL: https://journals.rcsi.science/1062-8738/article/view/187462
DOI: https://doi.org/10.3103/S1062873819070219
ID: 187462

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详细

A new metamaterial is obtained on the basis of ε-Fe₂O₃ nanoparticles immobilized in a xerogel matrix. Samples are synthesized by impregnating SiO₂ hydrogel with iron (II) salts with subsequent drying and calcination. The structure and magnetic properties of the composites are probed using transmission electron microscopy, X-ray diffraction, Mössbauer spectroscopy, and static magnetic measurements.