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Magnetochemistry
Special Issues
Fundamentals and Applications of Novel Functional Magnetic Materials
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Fundamentals and Applications of Novel Functional Magnetic Materials

A special issue of Magnetochemistry (ISSN 2312-7481).

Deadline for manuscript submissions: 30 August 2025 | Viewed by 2261

Special Issue Editor

Dr. Mohamed Salaheldeen

E-Mail Website
Guest Editor
Department of Polymers and Advanced Materials, Faculty of Chemistry, University of the Basque Country, UPV/EHU, 20018 San Sebastián, Spain
Interests: magnetic materials and application; thin films; nanostructure magnetic materials; magnetic nano/microwires; magnetic materials with perpendicular magnetic anisotropy; rare earth transition alloys; hysteretic magnetic properties; self-assembly magnetic materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Magnetic materials have been a cornerstone of modern technology for decades, finding applications across diverse fields such as energy, healthcare, and environmental sustainability. These materials are at the heart of numerous innovative systems, including magnetic storage devices, energy-efficient motors, biomedical imaging tools, and environmental remediation solutions. With advancements in nanotechnology and material science, there is a growing potential to engineer magnetic materials with unprecedented properties, enabling breakthroughs in emerging applications.

This Special Issue aims to explore the synergy between fundamental research and practical applications. By bringing together a global network of researchers, this collection will offer a platform for showcasing state-of-the-art developments, fostering interdisciplinary collaboration, and inspiring innovative solutions for pressing global challenges.

Dr. Mohamed Salaheldeen
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Magnetochemistry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electronic, structural, and magnetic properties of novel materials
  • spin dynamics, quantum magnetism, and topological magnetic phenomena
  • anisotropy, magnetoelastic coupling, and magnetic phase transitions
  • magnetic nanostructures, thin films, and composites with controlled morphologies and functionalities
  • magnetic materials for high-density data storage and energy-efficient spintronic devices
  • magnetic refrigeration and magnetocaloric materials for sustainable cooling technologies
  • magnetic sensors and actuators for precision engineering applications
  • magnetic nanoparticles for targeted drug delivery, cancer therapy, and imaging techniques
  • magnetic hyperthermia for non-invasive cancer treatments
  • functional magnetic materials for water treatment and pollutant removal
  • magnetic catalysts for energy conversion and environmental remediation processes
  • integration of magnetic materials in robotics, soft matter, and wearable technologies
  • utilization in quantum computing and advanced magneto-optical devices

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Published Papers (3 papers)

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Research

25 pages, 2780 KiB  
Article
Motion of Magnetic Microcapsules Through Capillaries in the Presence of a Magnetic Field: From a Mathematical Model to an In Vivo Experiment
by Mikhail N. Zharkov, Mikhail A. Pyataev, Denis E. Yakobson, Valentin P. Ageev, Oleg A. Kulikov, Vasilisa I. Shlyapkina, Dmitry N. Khmelenin, Larisa A. Balykova, Gleb B. Sukhorukov and Nikolay A. Pyataev
Magnetochemistry 2025, 11(7), 60; https://doi.org/10.3390/magnetochemistry11070060 (registering DOI) - 14 Jul 2025
Abstract
In this paper, we discuss the prediction of the delivery efficiency of magnetic carriers based on their properties and field parameters. We developed a theory describing the behavior of magnetic capsules in the capillaries of living systems. A partial differential equation for the [...] Read more.
In this paper, we discuss the prediction of the delivery efficiency of magnetic carriers based on their properties and field parameters. We developed a theory describing the behavior of magnetic capsules in the capillaries of living systems. A partial differential equation for the spatial distribution of magnetic capsules has been obtained. We propose to characterize the interaction between the magnetic field and the capsules using a single vector, which we call “specific magnetic force”. To test our theory, we performed experiments on a model of a capillary bed and on a living organism with two types of magnetic capsules that differ in size and amount of magnetic material. The experimental results show that the distribution of the capsules in the field correlated with the theory, but there were fewer actually accumulated capsules than predicted by the theory. In the weaker fields, the difference was more significant than in stronger ones. We proposed an explanation for this phenomenon based on the assumption that a certain level of magnetic force is needed to keep the capsules close to the capillary wall. We also suggested a formula for the relationship between the probability of capsule precipitation and the magnetic force. We found the effective value of a specific magnetic force at which all the capsules attracted by the magnet reach the capillary wall. This value can be considered as the minimum level for the field at which it is, in principle, possible to achieve a significant magnetic control effect. We demonstrated that for each type of capsule, there is a specific radius of magnet for which the effective magnetic force is achieved at the largest possible distance from the magnet’s surface. For the capsules examined in this study, the maximum distance where the effective field can be achieved does not exceed 1.5 cm. The results of the study contribute to our understanding of the behavior of magnetic particles in the capillaries of living organisms when exposed to a magnetic field. Full article
(This article belongs to the Special Issue Fundamentals and Applications of Novel Functional Magnetic Materials)
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12 pages, 4964 KiB  
Article
Cationic Mismatch Effect Induced by Double Substitution on the Structural and Magnetic Properties of La0.5Ca0.5MnO3
by Wadie Abdelhedi, Akram Krichene, Wahiba Boujelben and Nassira Chniba-Boudjada
Magnetochemistry 2025, 11(5), 36; https://doi.org/10.3390/magnetochemistry11050036 - 23 Apr 2025
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Abstract
In this study, we aimed to induce controlled structural disorder through a double substitution approach in the La0.5Ca0.5MnO3 compound by investigating La0.5−xRexCa0.5−yAeyMnO3 compounds with x = 0.05 [...] Read more.
In this study, we aimed to induce controlled structural disorder through a double substitution approach in the La0.5Ca0.5MnO3 compound by investigating La0.5−xRexCa0.5−yAeyMnO3 compounds with x = 0.05 and 0.1 and Re = Eu, Nd, Gd, Pr, and Ae = Ba and Sr. The y values are adjusted to maintain a constant average ionic radius (<rA> = 1.198 Å) and an unchanged Mn3+/Mn4+ ratio. These samples were synthesized using the sol–gel method. XRD analysis confirms structural stability despite the induced disorder, showing subtle lattice distortions. Magnetic measurements reveal that introducing low disorder annihilates the charge ordered (CO) state, enhances double-exchange interactions, and influences the ferromagnetic (FM) volume fractions. Moderate disorder strengthens AFM–CO state, triggering a first–order metamagnetic transition and reducing the Curie temperature value. Magnetic field-dependent magnetization data show disorder dependent magnetic behavior and suggest the presence of the Griffiths phase for all samples, confirming the role of structural disorder in tuning magnetic phase coexistence. Pr-based samples display a considerable magnetocaloric effect near their Curie temperature. Full article
(This article belongs to the Special Issue Fundamentals and Applications of Novel Functional Magnetic Materials)
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20 pages, 7497 KiB  
Article
Synthesis of Magnetic Nanoparticles Coated with Human Serum Albumin and Loaded by Doxorubicin
by Kirill Petrov, Elena Ryabova, Elena Dmitrienko and Alexey Chubarov
Magnetochemistry 2025, 11(2), 13; https://doi.org/10.3390/magnetochemistry11020013 - 13 Feb 2025
Viewed by 1184
Abstract
Magnetic iron oxide (II,III) nanoparticles (MNPs) are highly interested in biomedicine. However, their application is limited by oxidation, aggregation, rapid clearance from the body, and poor biodistribution. Coating by human serum albumin (HSA), the predominant blood plasma protein, can significantly influence properties, prolong [...] Read more.
Magnetic iron oxide (II,III) nanoparticles (MNPs) are highly interested in biomedicine. However, their application is limited by oxidation, aggregation, rapid clearance from the body, and poor biodistribution. Coating by human serum albumin (HSA), the predominant blood plasma protein, can significantly influence properties, prolong circulation half-life, and enhance tumor capture efficiency. Here, we report the synthesis of oleic acid and Tween20-coated MNPs and their interaction with HSA. The influence of albumin coating on MNP size, zeta potential, aggregation ability, and toxicity was studied. The particles were characterized by dynamic light scattering, transmission electron microscopy, and Fourier transform infrared spectroscopy methods. The nanoparticles’ relaxivities (r1 and r2) were assessed under a magnetic field of 1.88 T to evaluate their performance in MRI applications. The anticancer drug doxorubicin (DOX) loading capacity of up to 725 µg/mg for albumin-coated MNPs was determined. DOX-loaded MNPs displayed pH-sensitive drug release during acidic conditions. The series of DOX-loaded nanocomposites indicated inhibition of A549 cell lines, and the IC50 values were evaluated. This research underscores the utility of HSA-coated MNPs in enhancing the efficacy and stability of drug delivery systems in biomedicine. Full article
(This article belongs to the Special Issue Fundamentals and Applications of Novel Functional Magnetic Materials)
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