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Article
Materials Science, Ceramics
V. E. Zhivulin et al.
Summary: By using conventional ceramic technology, solid solutions based on SrFe12O19 strontium hexaferrite with deep co-substitution of Fe3+ iron cations by Al3+ aluminum, Ga3+ gallium, In3+ indium, Co3+ cobalt, and Cr3+ chromium cations were successfully obtained, resulting in the formation of high-entropy phases. The phase composition, unit cell parameters, and field and temperature properties of magnetization of the obtained samples were studied. The magnetic behavior revealed a cluster nature, with an average cluster diameter of about 400 nm, and was interpreted considering the effect of high configurational mixing entropy and magnetic dilution of the iron sub-lattice.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
V. E. Zhivulin et al.
Summary: High entropy perovskite LnCr(0.2)Mn(0.2)Fe(0.2)Co(0.2)Ni(0.2)O(3) ceramics were synthesized via solid-state reactions and the effect of rare earth ions on lattice, microstructure, and electrical properties was investigated. The study revealed the correlation between lattice parameters and rare earth ion nature and observed the impact of rare earth ions on microstructural parameters. Furthermore, the charge conduction mechanisms were discussed for various temperatures.
CERAMICS INTERNATIONAL
(2022)
Article
Multidisciplinary Sciences
Komkrich Chokprasombat et al.
Summary: Partial substitution by bismuth (Bi) and bismuth-copper (Bi-Cu) ions in barium hexaferrites improves magnetic properties, leading to high saturation magnetization and reduced coercivity. This reduction in coercivity is desirable for microwave absorbing and data storage materials. Substitutions of Bi or Bi-Cu follow the law of approach saturation, although Bi-Cu substitutions result in lower saturation magnetization due to the presence of secondary hematite phase.
JOURNAL OF KING SAUD UNIVERSITY SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Daria Tishkevich et al.
Summary: This study presents a new fast isostatic hot pressing method for fabricating W-Cu composites with nanosized grain boundaries and high effective density. The microstructure analysis shows that the samples have a polycrystalline well-packed structure, with copper acting as a matrix surrounding the tungsten grains. The W-Cu composites exhibit high shielding efficiency against gamma radiation in the 0.276-1.25 MeV energy range, making them excellent materials for radiation protection.
Article
Chemistry, Multidisciplinary
Vladimir E. Zhivulin et al.
Summary: Multisubstituted barium ferrites with a magnetoplumbite structure were obtained through solid-phase reactions, with substituents Al3+, Cr3+, Ga3+, and In3+ chosen for Fe3+ iron cations, not exceeding 50% in solid solutions. The configurational mixing entropy values were calculated, and a slight deviation in chemical composition was established through energy-dispersive X-ray spectroscopy. Analysis of X-ray scattering data revealed non-monotonic behavior of unit cell parameters related to the B-sub-lattice average ionic radius.
Review
Materials Science, Multidisciplinary
Sukhleen Bindra Narang et al.
Summary: This review paper summarizes the major researches in the field of nickel ferrites, divided into four main sections covering the properties, classification, structure, synthesis methods, applications, and research attempts in nickel spinel ferrites. It provides insights into the diverse aspects of nickel ferrites and their derivatives.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2021)
Article
Chemistry, Physical
A. Trukhanov et al.
Summary: The local crystal/magnetic structures of SrFe12-xInxO19 solid solutions were investigated using neutron powder diffraction, revealing the presence of ferroelectric and ferromagnetic ordering. The existence of a nonzero dipole moment in SrFe12-xInxO19 hexaferrites remains controversial, with a possible connection to unequal distortions of neighbor oxygen polyhedra. The formation of the nonzero dipole moment in In-substituted SrFe12-xInxO19 hexaferrites was described based on neutron diffraction data.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
H. Basma et al.
Summary: Ba1-xBixFe12O19 nanoparticles were synthesized by chemical co-precipitation method, showing hexagonal structure with small crystallite size. FTIR analysis detected specific vibration bands. Bi3+ substitution enhanced magnetic properties while inducing changes in structural parameters.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Yue Dai et al.
Summary: In this study, Sr0.4La0.3Ca0.3Fe11.85Al1.0Co0.15O19 was used to investigate the effect of different doping amounts of Bi2O3 on its magnetic characteristics. With the increase of Bi2O3 doping, the grain size of the sample gradually increased, while the uniformity of the grain size decreased. When the Bi2O3 doping amount was 1.0 wt%, the sample showed the best performance.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2021)
Review
Chemistry, Physical
A. Talaat et al.
Summary: Oxide-based nanocomposites have the potential for higher switching frequencies, but scalable synthesis techniques are limited; this review identifies opportunities for developing high-performance nanocomposite systems through microstructure engineering; it focuses on optimizing soft magnetic properties and powder metallurgy techniques.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Review
Materials Science, Multidisciplinary
Anas Houbi et al.
Summary: This article mainly introduces the ferrite components in high-performance microwave absorbing composites, focusing on their absorption characteristics, preparation methods, and microwave absorption mechanisms.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
D. A. Vinnik et al.
Summary: Two series of ferrite-based materials were synthesized and evaluated for their catalytic activity using thermodynamic and electrokinetic approaches. The results showed that different types of ferrites exhibited varying oxygen evolution reaction activities.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Alla Vorobjova et al.
Summary: Densely packed arrays of Ni nanowires with 70 nm diameter and 6-12 μm length were obtained through electrodeposition into porous alumina membranes. The magnetic characteristics of these Ni nanowires, such as coercivity and squareness ratio, were significantly improved under optimized conditions, making them suitable for various applications in magnetic recording media and sensors. This structure is also of great interest for basic research on nanomagnetism due to its distinct magnetic properties compared to bulk and thin film materials.
Review
Materials Science, Ceramics
Preeti Thakur et al.
CERAMICS INTERNATIONAL
(2020)
Article
Chemistry, Inorganic & Nuclear
V. V. Korovushkin et al.
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY
(2019)
Article
Materials Science, Multidisciplinary
V. V. Korovushkin et al.
INORGANIC MATERIALS
(2019)
Article
Electrochemistry
Tatiana I. Zubar et al.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2019)
Article
Materials Science, Multidisciplinary
Eun-Soo Lim et al.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2018)
Article
Materials Science, Ceramics
Alex V. Trukhanov et al.
CERAMICS INTERNATIONAL
(2017)
Article
Materials Science, Ceramics
I. A. Auwal et al.
CERAMICS INTERNATIONAL
(2017)
Article
Materials Science, Multidisciplinary
S. Guner et al.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2016)
Review
Materials Science, Multidisciplinary
Robert C. Pullar
PROGRESS IN MATERIALS SCIENCE
(2012)
Article
Physics, Multidisciplinary
Y. Tokunaga et al.
PHYSICAL REVIEW LETTERS
(2010)
