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Article
Physics, Condensed Matter
J. Z. Msomi et al.
Summary: In this study, nanocrystalline NixCo1-xFe2O4 oxides with varying crystallite size were analyzed using Mossbauer spectroscopy, hysteresis loops, and magnetization measurements. A core-shell model was proposed, showing a ferrimagnetic core and a disordered shell. The magnetic properties were found to depend on the Ni2+ ion concentration and crystallite size.
PHYSICA B-CONDENSED MATTER
(2023)
Article
Chemistry, Multidisciplinary
Usman Khan et al.
Summary: A low-temperature salt-assisted chemical vapor deposition method was used to grow single-domain Bi2O2Se on a millimeter scale with multilayer to monolayer thickness. The layer-dependent Raman spectroscopy of Bi2O2Se was systematically investigated, showing a redshift of the A(1g) mode at 162.4 cm(-1). The environmental stability of approximately 2.4 nm thick Bi2O2Se was confirmed after exposure to air for 1.5 years. The backgated field effect transistor based on a few-layered Bi2O2Se exhibited decent carrier mobility (approximately 287 cm(2) V(-1)s(-1)) and an ON/OFF ratio of up to 10(7), indicating a technique for growing large-domain thickness controlled Bi2O2Se single crystals for electronics.
Article
Materials Science, Ceramics
Ahmed Zaki Alhakemy et al.
Summary: A cost-effective electrocatalyst for the oxygen evolution reaction (OER) was developed by synthesizing a composite material of carbon spheres (CSs) with CoFe2O4 (CFO) through a one-step method. The CFO@CSs composite exhibited high catalytic activity, fast kinetics, and high durability in alkaline medium, making it a promising alternative to precious metals in various renewable energy storage and conversion applications.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Sagar M. Mane et al.
Summary: An ultrafast, eco-friendly, and thermally efficient microwave (MW)-heating technique is proposed to replace conventional methods for preparing Ni-doped CoFe2O4 ferrite nanoparticles, resulting in cubic spinel ferrite structures with composition-dependent tunable magnetic properties. Ni-substituted CoFe2O4 demonstrates remarkable magnetostrictive behavior suitable for magnetoelectric composites and magneto-mechanical sensor applications, highlighting the potential of efficient, fast, and eco-friendly microwave processing for future electromagnetic device applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Pablo Tancredi et al.
Summary: The study investigates how the magnetic behavior of a set of magnetically hard nanoparticles can be improved by modifying sample arrangement and matrix properties. The research found that magnetically oriented nanoparticles exhibit a significant enhancement in remanence and coercive field at low temperatures, especially for the hardest samples, achieving coercive field values of around 30 kOe.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Xiaoxiao Zhao et al.
Summary: Adjusting the carbon shell thickness in the preparation of multi-element core-shell magnetic nano-particle composite layered graphene absorbing materials resulted in strong microwave absorption and a wide effective absorption bandwidth. The core-shell structure and the materials' properties of graphene and ferrite played a synergistic effect in enhancing the absorption performance of the materials.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
M. S. Sarker et al.
Summary: The report synthesized CoFe2-xSnxO4 nanoparticles using sol-gel method and conducted various analyses including TGA/TDA, XRD, SEM, FTIR, and EDX. It was found that the nanoparticles have octahedral shaped crystalline ferrite structure, and the substitution of Sn has a significant impact on their magnetic properties.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Xavier Batlle et al.
Summary: The synthesis methods and physical properties of iron oxide-based magnetic nanoparticles are reviewed, showing that increasing structural defects in nanostructures lead to performance deterioration, while single-crystal, monophasic nanoparticles do not exhibit significant surface or finite-size effects. The key role of nanoparticle coating, surface anisotropy, and inter-particle interactions is discussed in relation to physical properties.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Vibha H. Ojha et al.
Summary: Strained CoFe2O4 nanoparticles dispersed in a SiO2 matrix showed decreased coercivity and saturation magnetization with increased temperature and SiO2 content due to the increased number of disordered surface spins. The blocking temperature (T-B) also increased with SiO2 content. Additionally, a new relationship was observed between magnetic properties and strain values, with increasing strain values leading to enhanced magnetic field dependence.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Chemistry, Physical
Guilherme Gomide et al.
Summary: This study investigates the thermal dependence of coercivity for cobalt ferrite nanoparticle samples synthesized by different methods. The results show that surface plays an important role in determining the anisotropy constants, especially for smaller nanoparticle sizes. The state of the surface is crucial in determining the main source of anisotropy.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Materials Science, Multidisciplinary
I. A. Abdel-Latif et al.
Summary: The study investigated the effect of chromium doping in cobalt ferrites at the nano scale, revealing a decrease in lattice constant and crystalline size as well as a decrease in electron density inside the unit cell due to Cr doping. Infrared analysis showed two absorption bands and the electrical properties exhibited semiconductor behavior. Magnetic properties demonstrated ferrimagnetic ordering with a decrease in coercivity as a result of iron substitution with chromium.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Engineering, Environmental
Jianxing Liang et al.
Summary: A magnetically separable manganese-based spinel ferrite (MFO-LIBs) synthesized from spent ternary lithium-ion batteries (LIBs) shows enhanced degradation activity for bisphenol A (BPA) through peroxymonosulfate (PMS) activation. The improvement in activity is attributed to the doping of metals from spent LIBs, resulting in structural and surface property changes. The MFO-LIBs/PMS system exhibits excellent performance under high-salinity, humic acid, and alkaline conditions. The material can be easily separated and has wide applicability and regeneration ability. Moreover, the cost of BPA degradation is lower compared to other spinel ferrite activator/PMS systems.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Composites
V. M. Macedo et al.
Summary: This work reports on sustainable multifunctional nanocomposites based on carrageenan and magnetic cobalt ferrite (CoFe2O4-CFO) nanoparticles, and their applicability as magnetic actuators. The nanocomposites exhibit a compact morphology with well-distributed CFO nanoparticles, and the incorporation of CFO nanoparticles significantly improves the thermal, mechanical, and magnetic properties of the materials.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
M. Alouhmy et al.
Summary: We conducted a detailed investigation on the effects of C-implantation on low temperature magnetic behavior in Fe93Zr7 amorphous films. The results showed that C-implantation led to a significant increase in Curie temperature and a decrease in coercivity. The temperature dependence of magnetization was analyzed and important parameters were extracted, revealing a decrease in local random anisotropy constant and an increase in ferromagnetic correlation length with increasing carbon content. The local anisotropy was also extracted from coercivity, showing reasonable agreement with the random magnetic anisotropy approach.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2022)
Review
Pharmacology & Pharmacy
Seipati Rosemary Mokhosi et al.
Summary: This review discusses the application of iron-oxide-based nanoparticles in cancer therapy, with a focus on recent research advances in using ferrites as potential nanocarriers. Surface modifications and functionalization with specific biomolecules are highlighted as methods to improve efficiency. The challenges and solutions for the use of ferrites in cancer therapy are also summarized.
Article
Nanoscience & Nanotechnology
Mahdi Mansourian et al.
Summary: This article investigates the flow of ferro hybrid nanofluid over a nonlinearly stretching permeable sheet in a porous medium, analyzing the hydrodynamics and thermal boundary layers as well as skin friction and heat transfer. The study shows that both Nusselt number and skin friction coefficient decrease with increasing magnetic field.
JOURNAL OF NANOFLUIDS
(2022)
Article
Materials Science, Ceramics
Adeela Nairan et al.
Summary: The study reveals the substitutional effect of Holmium on the magnetic properties of cobalt ferrite, preparing nanostructures with different doping concentrations of Holmium and confirming crystal structure and phase analysis, identifying a secondary phase at a certain concentration (x = 0.1).
CERAMICS INTERNATIONAL
(2022)
Review
Physics, Applied
Preeti Thakur et al.
Summary: This study discusses the synthesis, characterization methods, and applications of cobalt nanoferrites. Different synthesis routes are chosen based on the desired material properties, and XRD and FT-IR spectroscopy are popular tools for structural analysis. SEM and TEM are commonly used for morphology observation. Cobalt nanoferrites have wide applications in fields such as microwave devices, MRI, and hyperthermia.
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
(2022)
Article
Engineering, Electrical & Electronic
Haiwang Li et al.
Summary: This study presents a through-silicon via high-aspect-ratio toroidal transformer manufactured using microelectro-mechanical systems and electroplating. By wrapping a 1.2 mm high toroidal Ni-Zn ferrite core in silicon, a compact transformer with excellent performance in a high frequency range is achieved.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2022)
Review
Materials Science, Multidisciplinary
Syed Ismail Ahmad
Summary: Instruments and devices based on magnetic materials are essential in modern culture, with ferrites being the leading materials. Cobalt ferrite (CFO) has versatile applications, attracting attention for its high anisotropy and Curie temperature. Different elements can be incorporated into CFO spinel matrix for tailored properties. The review covers types of ferrites, structural properties, and the effects of doping on CFO performance, focusing on recent research on CFO Nanoparticles.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Usman Khan et al.
Summary: In this study, the magnetic properties of Co ferrite were significantly improved by Cr substitution. The results showed that Cr substitution had a significant impact on the lattice contraction and magnetic properties of Co ferrite. In addition, the study of low-temperature magnetic properties provided insights into the temperature-dependent behavior of the magnetic properties.
SOLID STATE SCIENCES
(2022)
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
Nanoscience & Nanotechnology
K. Anu et al.
Summary: This study investigates the magneto thermoelectric behavior of Zn-doped magnetite nanofluids, finding that samples with a zinc dopant concentration of x=0.2 exhibit the best enhancement in electrical conductivity and higher Seebeck coefficient values. These findings suggest potential applications for energy harvesting in automotive systems and industries.
Article
Materials Science, Ceramics
Nitika et al.
Summary: The study focuses on synthesizing Lanthanum-doped cobalt ferrite nanoparticles for high-frequency devices in 5G telecommunication systems. These nanoparticles exhibit enhanced magnetic and dielectric properties, making them suitable for applications in wireless communication. The inclusion of rare-earth ions and high annealing temperatures significantly affect the magnetic and dielectric properties of the ferrite nanoparticles.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Multidisciplinary
Shiyan Fu et al.
Summary: The PEGylated CoFe2O4 nanoflowers (CFP) with multiple enzymatic activities are synthesized as bioreactors responsive to TME cues for augmented sonodynamic therapy (SDT) and chemodynamic therapy (CDT), eliciting a strong immune response.
Article
Chemistry, Physical
Guilin Song et al.
Summary: A versatile honeycomb-like N-doped carbon/bimetallic sulfide and oxide composites aerogel with excellent electromagnetic wave absorption and electrochemical performances was designed in this study, showing great potential for environmental remediating materials in the future.
Article
Engineering, Electrical & Electronic
Simeon Furrer et al.
Summary: The recording performance of a new prototype magnetic tape based on perpendicularly oriented strontium ferrite particles is investigated using a 29 nm wide tunneling magnetoresistive reader. With a post-detection byte-error rate (BER) of 2.8e-2, advanced track following technologies were developed to enable aggressive track-density scaling and reliable recording.
IEEE TRANSACTIONS ON MAGNETICS
(2021)
Article
Chemistry, Multidisciplinary
Min Ge et al.
Summary: A novel magneto-responsive nanocatalytic modality for cancer therapy, utilizing magnetostrictive-piezoelectric nanoparticles to catalyze the generation of cytotoxic reactive oxygen species in tumor cells, demonstrates promising prospects for future clinical translation due to its excellent catalytic dynamic responsiveness, high therapeutic efficacy, and biosafety in vivo.
Article
Crystallography
Ravindra N. Chikhale et al.
Summary: Nickel substituted cobalt ferrite nanoparticles were synthesized via sol-gel auto-combustion method, showing single cubic spinel structure formation and high magnetic properties.
Article
Physics, Multidisciplinary
Amany M. El Nahrawy et al.
Summary: In this study, Fe/Al/Si/Cu-ZnTiO3 was synthesized using the sol-gel method, and the effects of dopants on the microstructural and optical properties of ZnTiO3 were investigated after calcination. The introduction of Fe, Al, Si, and Cu resulted in changes in the crystal phases of ZnTiO3, influencing its bandgap values and surface morphology observed via SEM.
Review
Chemistry, Multidisciplinary
Thomas Dippong et al.
Summary: Research on the synthesis and characterization of nanosized ferrites has increased significantly over the past decade, leading to the identification of various new applications for these materials. Different synthesis methods and applications, as well as the properties and advantages of MFe2O4 (M = Co, Cu, Mn, Ni, Zn) nanoparticles, have been reviewed in the paper. Nanosized ferrites possess good magnetic, electrical, mechanical, and chemical properties, making them suitable for a wide range of potential applications in various fields.
Article
Chemistry, Multidisciplinary
Adeela Nairan et al.
Summary: By developing a unique nano-thorn-like Pt-Ni nanowire electrode as a superior HER catalyst, a local pseudo-acidic environment near the cathode surface in an alkaline electrolyzer is enabled, leading to an extremely high HER performance towards real applications. This innovative catalyst shows significantly better performance than the state-of-the-art Pt-based catalysts in an alkaline medium at large current densities.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Article
Chemistry, Physical
Amany M. El Nahrawy et al.
Article
Environmental Sciences
Ali B. Abou Hamma et al.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2020)
Article
Chemistry, Physical
Innocent Nkurikiyimfura et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Physics, Applied
Washington Santa-Rosa et al.
JOURNAL OF APPLIED PHYSICS
(2019)
Article
Physics, Applied
Bhavna C. Keswani et al.
JOURNAL OF APPLIED PHYSICS
(2019)
Article
Materials Science, Multidisciplinary
Gnana Praveena Nethala et al.
MATERIALS CHEMISTRY AND PHYSICS
(2019)
Article
Materials Science, Multidisciplinary
Khalid Mujasam Batoo et al.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2016)
Article
Materials Science, Multidisciplinary
F. Lmai et al.
Article
Chemistry, Physical
Alberto Lopez-Ortega et al.
CHEMISTRY OF MATERIALS
(2015)
Article
Chemistry, Physical
N. Adeela et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2015)
Article
Chemistry, Multidisciplinary
U. Khan et al.
JOURNAL OF NANOPARTICLE RESEARCH
(2015)
Review
Physics, Applied
William T. Coffey et al.
JOURNAL OF APPLIED PHYSICS
(2012)
Article
Materials Science, Multidisciplinary
Alina Mihaela Cojocariu et al.
MATERIALS CHEMISTRY AND PHYSICS
(2012)
Article
Engineering, Electrical & Electronic
P. Indra Devi et al.
IEEE SENSORS JOURNAL
(2011)
Article
Chemistry, Physical
B. G. Toksha et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2011)
Article
Physics, Applied
Qian Gao et al.
JOURNAL OF APPLIED PHYSICS
(2009)
Article
Chemistry, Physical
W. S. Chiu et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2008)
Article
Chemistry, Physical
P. Poddar et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2007)
Article
Materials Science, Multidisciplinary
E De Biasi et al.