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Magnetochemistry, Volume 12, Issue 2

2026 February - 12 articles

Cover Story: The magnetism of lanthanide-based single-molecule magnets is greatly challenging to elucidate, as up to 27 ligand-field parameters need to be inferred from feature-poor experimental data. Machine learning (ML) has shown potential in addressing this challenge. This work first discusses the perspectives of ML approaches to data analysis before presenting a model that combines a variational autoencoder with an invertible neural network to predict ligand field parameters from magnetic susceptibility data. By incorporating common experimental errors through data augmentation, the ML model achieves robust and accurate recovery of the D and E magnetic anisotropy parameters, bringing ML-based analysis closer to routine experimental application. View this paper
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Articles (12)

  • Article
  • Open Access
199 Views
10 Pages

This work presents a detailed micromagnetic analysis of the magnetization reversal process in hollow iron nanospheres with a shell thickness of 16 nm. Using the Ubermag computational framework coupled to the OOMMF, we demonstrate that these nanospher...

  • Article
  • Open Access
247 Views
16 Pages

Synergistic Effect of Fe Doping and Oxygen Vacancies on the Optical Properties and CO2 Reduction Mechanism of Bi4O5Br2

  • Gaihui Liu,
  • Xie Huang,
  • Shuaishuai Liu,
  • Xiangzhou Yan,
  • Nan Dong,
  • Huihui Shi,
  • Fuchun Zhang and
  • Suqin Xue

In this study, the synergistic effects of Fe doping and oxygen vacancies on the structural, electronic, and optical properties of Bi4O5Br2, as well as their influence on the photocatalytic CO2 reduction mechanism, were systematically explored through...

  • Article
  • Open Access
243 Views
11 Pages

In the present work, we selected an amorphous Nd60Ni40 alloy as a basic alloy and added Er with a higher effective magnetic moment and de Gennes factor to replace Nd for the purpose of improving the magnetocaloric performance of the Nd60Ni40 amorphou...

  • Article
  • Open Access
326 Views
18 Pages

Magnetically Recoverable Fe3O4@Latex Decorated with ZnO Nanocomposite for Efficient Photocatalytic Treatment of Sugarcane Vinasse

  • Lays da Silva Sá Gomes,
  • Daniel Ângelo Macena,
  • Maryane Pipino Beraldo Almeida,
  • Naiara Maria Pavani,
  • Iara Souza Lima,
  • Aroldo Geraldo Magdalena,
  • Oswaldo Baffa and
  • Angela Kinoshita

Sugarcane vinasse is a high-strength effluent with a high organic load and intense coloration from melanoidins and phenolic compounds, making conventional biological treatment difficult. This study presents a magnetically recoverable Fe3O4@latex-ZnO...

  • Review
  • Open Access
1,012 Views
26 Pages

The ligand-driven self-assembly of metal clusters offers a powerful strategy for constructing discrete molecular architectures with tunable magnetic and structural properties. By judiciously selecting appropriate multidentate ligands, researchers can...

  • Review
  • Open Access
803 Views
34 Pages

Iron Oxide Nanoparticles Enabled Ultrasound-Guided Theranostic Systems

  • Thiago Tiburcio Vicente,
  • Prabu Periyathambi,
  • Ariane Franson Sanches,
  • Marina Yuki Azevedo Nakakubo,
  • Nicholas Zufelato,
  • Karina Bezerra Salomão,
  • María Sol Brassesco,
  • Theo Zeferino Pavan,
  • Koiti Araki and
  • Antônio A. O. Carneiro

The tumor microenvironment, characterized by higher acidity, hypoxia, and dense cellular structures, plays a pivotal role in cancer progression, therapeutic resistance, and treatment response. Nanoparticle-based contrast agents enable the precise del...

  • Article
  • Open Access
354 Views
22 Pages

Magnetic fluid sealing is a novel sealing technology wherein magnetic fluids play a pivotal role in the sealing process. The yield stress of the magnetic fluid directly affectsits sealing performance and is governed by multiple interdependent factors...

  • Article
  • Open Access
397 Views
24 Pages

Lanthanide-based single-molecule magnets are promising candidates for potential applications. Their magnetism is governed by ligand-field splittings, which may require up to 27 ligand-field parameters for accurate modeling. Determining these paramete...

  • Article
  • Open Access
310 Views
11 Pages

Properties Comparison of Fe3O4 Particles with Different Morphologies as Mimetic Enzyme

  • Xiaoying Li,
  • Li Wei,
  • Lianqi Li,
  • Junying Suo,
  • Shuai Li and
  • Honggang Jiang

In this work, four different magnetic Fe3O4 nanoparticles are prepared via solvothermal method. According to the morphology, the products can be divided into flower-like Fe3O4 (F-Fe3O4), solid spherical Fe3O4 (S-Fe3O4), hollow spherical Fe3O4 (HO-Fe3...

  • Article
  • Open Access
369 Views
18 Pages

To enhance the wide-temperature-range magnetocaloric performance of (Mn,Fe)2(P,Si) alloys, the effects of Mg-Co co-doping on their structural and magnetocaloric properties were systematically investigated. Mn1.05−yCoyFe0.9P0.5Si0.48Mg0.02 alloy...

  • Article
  • Open Access
759 Views
19 Pages

Development of a Cost-Effective Magnetic Microparticle Protocol for DNA Purification in Molecular Diagnosis of Gynecological Infections

  • Carolina Otonelo,
  • Carla Layana,
  • Elisa de Sousa,
  • Luciana Juncal,
  • Melina D. Ibarra,
  • Constanza Toledo,
  • Alejo Melamed,
  • Karen L. Salcedo Rodríguez,
  • Patricia L. Schilardi and
  • Claudia Rodríguez Torres
  • + 4 authors

In this work, we evaluate the efficiency of a DNA purification protocol from gynecological samples using locally synthesized Fe3O4@SiO2 magnetic microparticles and a low-cost, guanidinium thiocyanate (GITC)-free lysis buffer. The microparticles were...

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Magnetochemistry - ISSN 2312-7481