A5023207721- Iron oxide chemistry and applications
- Magnetic Properties and Synthesis of Ferrites
- Multiferroics and related materials
- Characterization and Applications of Magnetic Nanoparticles
- Magnetic properties of thin films
- Advanced Sensor and Energy Harvesting Materials
- Nanoparticle-Based Drug Delivery
- Magnetic and Electromagnetic Effects
- Ferroelectric and Piezoelectric Materials
- Dielectric materials and actuators
- Electrospun Nanofibers in Biomedical Applications
- Pigment Synthesis and Properties
- MXene and MAX Phase Materials
- Additive Manufacturing and 3D Printing Technologies
- Microfluidic and Bio-sensing Technologies
- Laser-induced spectroscopy and plasma
- Adsorption and biosorption for pollutant removal
- Vibration Control and Rheological Fluids
- Laser-Ablation Synthesis of Nanoparticles
- Nanomaterials for catalytic reactions
- Metallic Glasses and Amorphous Alloys
- Gold and Silver Nanoparticles Synthesis and Applications
- Magnetic Properties of Alloys
- Magnetic and transport properties of perovskites and related materials
- Diamond and Carbon-based Materials Research
Immanuel Kant Baltic Federal University
2017-2025
University of Genoa
2020-2025
Institute of Structure of Matter
2022-2025
National Research Council
2022-2025
National Interuniversity Consortium of Materials Science and Technology
2024-2025
National Academies of Sciences, Engineering, and Medicine
2024
Here, we synthesize a Au@Fe
A set of ∼9 nm CoFe 2 O 4 nanoparticles substituted with Zn 2+ and Ni was prepared by thermal decomposition metallic acetylacetonate precursors to correlate the effects replacement Co resulting magnetic properties.
Polymer-based magnetoelectric composite materials have attracted a lot of attention due to their high potential in various types applications as magnetic field sensors, energy harvesting, and biomedical devices. Current researches are focused on the increase efficiency transformation. In this work, new strategy arrangement clusters nanoparticles by an external PVDF PFVD-TrFE matrixes is proposed voltage coefficient (αME) effect. Another use 3-component composites through inclusion...
Spinel ferrite magnetic nanoparticles have attracted considerable attention because of their high and flexible properties biocompatibility. In this work, a set cobalt doped with zinc was synthesized via the eco-friendly sol-gel auto-combustion method. Obtained particles displayed room-temperature ferromagnetic behavior tuned by chemical composition values saturation magnetization coercivity. The maximal ~74 Am2/kg were found in 15–35% molar fraction replaced ions. At same time, coercivity...
This study focuses on the synthesis of metallic magnetic nanosystems embedded in mesoporous silica (SiO 2 ), and impact matrix porosity, controlled by temperature treatment, efficiency H reduction process.
Abstract This study explores the structural, morphological, optical, dielectric, piezoelectric, and piezocatalytic properties of polyvinylidene fluoride (PVDF) composite membranes incorporating cobalt ferrite (CoFe 2 O 4 , CFO) nanoparticles at 25 35 wt% loadings. X‐ray diffraction (XRD) Fourier‐transform infrared spectroscopy (FTIR) confirmed retention electroactive β‐ γ‐phases, with PVDF matrix maintaining approximately 50% crystallinity. Morphological analysis demonstrated reduced...
The effect of the annealing temperature Tann on magnetic properties cobalt ferrite nanoparticles embedded in an amorphous silica matrix (CoFe2O4/SiO2), synthesized by a sol-gel auto-combustion method, was investigated magnetization and AC susceptibility measurements. For samples with 15% w/w nanoparticle concentration, particle size increases from ~2.5 to ~7 nm, increasing 700 900 °C. effective anisotropy constant (Keff) decreasing Tann, due increase surface contribution. 5% sample annealed...
Heterodimeric nanoparticles comprising materials with different functionalities are of great interest for fundamental research and biomedical/industrial applications. In this work, Fe3O4-Au nano-heterostructures were synthesized by a one-step thermal decomposition method. The hybrid comprise highly crystalline 12 nm magnetite octahedron decorated single noble metal sphere 6 diameter. Detailed analysis the was performed UV-visible spectroscopy, magnetometry, calorimetry relaxometry studies....
We investigated the flexibility of high-temperature thermal decomposition synthesis to design magnetic nanoparticles (NPs) with engineered properties. prepared spinel iron oxide particles desired composition (Fe <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> O xmlns:xlink="http://www.w3.org/1999/xlink">4</sub> and CoFe xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> ) a well-controlled average size (5-8 nm) by tuning procedure. The...
Iron oxide nanoparticles (IONs) are frequently used in various biomedical applications, particular as magnetic resonance imaging contrast agents liver imaging. Indeed, number of IONs have been withdrawn due to their poor clinical performance. Yet comprehensive understanding interactions with hepatocytes remains relatively limited. Here we investigated how iron nanocubes (IO-cubes) and clusters (IO-clusters) affect distinct human hepatic cell lines. The viability HepG2, Huh7 Alexander cells...
Polymer-based multiferroics, combining magnetic and piezoelectric properties, are studied experimentally-from synthesis to multi-parameter characterization-in view of their prospects for fabricating biocompatible scaffolds. The main advantage these systems is facile generation mechanical deformations electric signals in response external fields. Herein, we address the composites based on PVDF-TrFE polymer matrices filled with a combination (BaTiO3, BTO) and/or ferrimagnetic...
Three-dimensional printing is one of the most promising areas additive manufacturing with a constantly growing range applications. One current tasks development new functional materials that would allow manufacture objects defined magnetic, electrical, and other properties. In this work, composite magnetic filaments for 3D tunable properties were produced from polylactic acid thermoplastic polymer addition ferrite particles different size chemical composition. The used cobalt CoFe2O4...
This paper shed lights on the interplay among intra- and inter-particle interactions in different hard/soft bi-magnetic core/shell nanoarchitecture.
In this work, the influence of shell thickness on magnetic behavior hard cobalt ferrite (CoFe2O4) nanoparticles coated with one or more layers magnetically soft nickel (NiFe2O4) was investigated. The materials were chosen as model and magnetics due to their significant difference in anisotropy constant, which spans 2 orders magnitude. obtained nanoarchitectures are compositionally graded single crystals, i.e., they comprise a crystallographic coherence core no visible core–shell interface at...
Bismuth ferrite (BiFeO3, BFO) is one of the few single-phase crystalline compounds exhibiting strong multiferroic properties at room temperature, which makes it promising for use in various fields science and technology. The remarkable characteristics BFO nanoscale position as a compelling candidate enhancing functionalities polymeric nanocomposite materials. In this study, we explore fabrication polyvinylidene fluoride (PVDF) nanocomposites with variable content nanopowders (0, 5, 10, 15,...