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Magnetochemistry, Volume 9, Issue 9

2023 September - 7 articles

Cover Story: Real-time detection of toxic chemical compounds in the air is critical to both civilian and military interests. The chemical selectivity limitations of sensor materials can be overcome using a frequency-dependent impedance fingerprinting technique. In this work, we demonstrate that a commercial, off-the-shelf material (Fe2O3) can be used to discriminate between the organophosphate chemical warfare agent tabun (GA) and its structural analogs. Discrimination can be achieved by cross-referencing impedance magnitude and phase changes at any number of frequencies, and ensured over a series of frequencies. View this paper
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Articles (7)

  • Article
  • Open Access
5 Citations
2,620 Views
21 Pages

As novel methylene blue adsorbents, polyvinyl alcohol and activated charcoal were used to modify the surface of superparamagnetic iron oxide nanoparticles. The adsorption capacity after 69 h was 26.50 ± 0.99–40.21 ± 1.30 mg/g, dep...

  • Article
  • Open Access
11 Citations
2,515 Views
11 Pages

Comparative Study of Magnetic Properties of (Mn1−xAxIV)Bi2Te4 AIV = Ge, Pb, Sn

  • Dmitry A. Estyunin,
  • Anna A. Rybkina,
  • Konstantin A. Kokh,
  • Oleg E. Tereshchenko,
  • Marina V. Likholetova,
  • Ilya I. Klimovskikh and
  • Alexander M. Shikin

We investigated the magnetic properties of the antiferromagnetic (AFM) topological insulator MnBi2Te4 with a partial substitution of Mn atoms by non-magnetic elements (AIV = Ge, Pb, Sn). Samples with various element concentrations (10–80%) were...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,012 Views
14 Pages

Influence of the Particle Size on the Electrical, Magnetic and Biological Properties of the Bioglass® Containing Iron Oxide

  • Joana Soares Regadas,
  • Sílvia Rodrigues Gavinho,
  • Sílvia Soreto Teixeira,
  • Juliana Vieira de Jesus,
  • Ana Sofia Pádua,
  • Jorge Carvalho Silva,
  • Susana Devesa and
  • Manuel Pedro Fernandes Graça

Bioglasses have been used throughout the past century as a biomaterial in the bone regeneration field. However, recent studies have attempted to use them as a therapeutic material as well, mainly in the treatment of osteosarcomas. The most widely rec...

  • Article
  • Open Access
1 Citations
2,559 Views
11 Pages

Electromagnetic Property Modulation of Flaky Ferromagnetic 304 Stainless-Steel Powders for Microwave Absorption at Elevated Temperatures

  • Bolin Yang,
  • Yifan Xu,
  • Zhihong Chen,
  • Hang Yang,
  • Yuchen Hu,
  • Haoqin Wu,
  • Mingfeng Xing,
  • Jianguo Guan and
  • Wei Li

Soft magnetic metallic absorbents suffer from severe oxidation, reduction in permeability and deterioration in microwave absorption when exposed to high temperatures. In this study, we prepared flaky 304 stainless-steel powders as new microwave absor...

  • Article
  • Open Access
4 Citations
3,054 Views
21 Pages

Electrophoretic nanostructuring is a promising approach for the creation of functional surfaces and active layers. The potency of this approach may be further enhanced by additional factors of various natures, such as magnetic fields. In this work, w...

  • Feature Paper
  • Article
  • Open Access
1 Citations
2,594 Views
15 Pages

Magnetic and Impedance Analysis of Fe2O3 Nanoparticles for Chemical Warfare Agent Sensing Applications

  • Jennifer R. Soliz,
  • Smriti Ranjit,
  • Joshua J. Phillips,
  • Richard A. Rosenberg and
  • Adam J. Hauser

A dire need for real-time detection of toxic chemical compounds exists in both civilian and military spheres. In this paper, we demonstrate that inexpensive, commercially available Fe2O3 nanoparticles are capable of selective sensing of chemical warf...

  • Article
  • Open Access
1 Citations
2,329 Views
19 Pages

In this paper, we study the effects of viscosity on the evolution of the double tearing mode (DTM) in a pair of adjacent Harris sheets based on the resistive MHD model in the NIMROD code. Similar to the tearing mode in the conventional single Harris...

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Magnetochemistry - ISSN 2312-7481