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Magnetochemistry, Volume 5, Issue 4

2019 December - 16 articles

Cover Story: A series of five new mononuclear pentagonal bipyramidal Co(II) complexes with the equatorial 2,6-diacetylpyridine bis(semicarbazone) ligand (H2dapsc) and axial pseudohalide ligands (SCN, SeCN, N(CN)2, C(CN)3, and N3) was prepared and structurally characterized. The combined analyses of the experimental DC and AC magnetic data of the synthesized complexes and two other, earlier described complexes of this family ([Co(H2dapsc)(H2O)2)](NO3)2‧2H2O and [Co(H2dapsc)(Cl)(H2O)]Cl‧2H2O), their theoretical description, and ab initio calculations reveal large easy-plane magnetic anisotropies for all complexes (D >0). All complexes under consideration demonstrate slow magnetic relaxation at static magnetic field, and so, they belong to the class of field-induced single-ion magnets.

Articles (16)

  • Article
  • Open Access
10 Citations
4,866 Views
18 Pages

Density functional theory (DFT) is used extensively for the first-principles calculation of hyperfine coupling constants in both main-group and transition metal systems. As with many other properties, the performance of DFT for hyperfine coupling con...

  • Article
  • Open Access
9 Citations
4,787 Views
12 Pages

The small amounts of gaseous 3He dissolved in low concentrated water solutions of NaCl, NaNO3 and NaClO4 were prepared and examined by 3He-, 23Na-, 35Cl- and 15N-NMR spectroscopy. This experimental data, along with new theoretical shielding factors,...

  • Review
  • Open Access
25 Citations
4,668 Views
25 Pages

Magnetic nanoparticles became increasingly interesting in recent years as a result of their tailorable size-dependent properties, which enable their use in a wide range of applications. One of their emerging applications is biomedicine; in particular...

  • Review
  • Open Access
163 Citations
23,118 Views
40 Pages

Principles of Magnetic Hyperthermia: A Focus on Using Multifunctional Hybrid Magnetic Nanoparticles

  • Ihab M. Obaidat,
  • Venkatesha Narayanaswamy,
  • Sulaiman Alaabed,
  • Sangaraju Sambasivam and
  • Chandu V. V. Muralee Gopi

Hyperthermia is a noninvasive method that uses heat for cancer therapy where high temperatures have a damaging effect on tumor cells. However, large amounts of heat need to be delivered, which could have negative effects on healthy tissues. Thus, to...

  • Article
  • Open Access
7 Citations
3,378 Views
12 Pages

Relationship between the Coordination Geometry and Spin Dynamics of Dysprosium(III) Heteroleptic Triple-Decker Complexes

  • Tetsu Sato,
  • Satoshi Matsuzawa,
  • Keiichi Katoh,
  • Brian K. Breedlove and
  • Masahiro Yamashita

When using single molecule magnets (SMMs) in spintronics devices, controlling the quantum tunneling of the magnetization (QTM) and spin-lattice interactions is important. To improve the functionality of SMMs, researchers have explored the effects of...

  • Review
  • Open Access
23 Citations
6,104 Views
21 Pages

Nanomaterial biosensors have revolutionized the entire scientific, technology, biomedical, materials science, and engineering fields. Among all nanomaterials, magnetic nanoparticles, microparticles, and beads are unique in offering facile conjugation...

  • Review
  • Open Access
24 Citations
5,769 Views
20 Pages

Magnetic Particles-Based Analytical Platforms for Food Safety Monitoring

  • Reem Khan,
  • Abdur Rehman,
  • Akhtar Hayat and
  • Silvana Andreescu

Magnetic nanoparticles (MNPs) have attracted growing interest as versatile materials for the development of analytical detection and separation platforms for food safety monitoring. This review discusses recent advances in the synthesis, functionaliz...

  • Review
  • Open Access
20 Citations
5,209 Views
12 Pages

Magnetic Beads in Marine Toxin Detection: A Review

  • Greta Gaiani,
  • Ciara K. O’Sullivan and
  • Mònica Campàs

Due to the expanding occurrence of marine toxins, and their potential impact on human health, there is an increased need for tools for their rapid and efficient detection. We give an overview of the use of magnetic beads (MBs) for the detection of ma...

  • Review
  • Open Access
101 Citations
10,452 Views
15 Pages

Magnetic nanoparticles and magnetic nano-species of complex topology (e.g., nanorods, nanowires, nanotubes, etc.) are overviewed briefly in the paper, mostly giving attention to the synthetic details and particle composition (e.g., core-shell structu...

  • Review
  • Open Access
18 Citations
5,351 Views
12 Pages

Extracellular vesicles (EVs) are essential tools for conveying biological information and modulating functions of recipient cells. Implantation of isolated or modulated EVs can be innovative therapeutics for various diseases. Furthermore, EVs could b...

  • Review
  • Open Access
34 Citations
8,301 Views
25 Pages

In recent years, various reports related to sensing application research have suggested that combining the synergistic impacts of optical, electrical or magnetic properties in a single technique can lead to a new multitasking platform. Owing to their...

  • Article
  • Open Access
21 Citations
5,206 Views
16 Pages

A Series of Field-Induced Single-Ion Magnets Based on the Seven-Coordinate Co(II) Complexes with the Pentadentate (N3O2) H2dapsc Ligand

  • Vyacheslav A. Kopotkov,
  • Denis V. Korchagin,
  • Valentina D. Sasnovskaya,
  • Ildar F. Gilmutdinov and
  • Eduard B. Yagubskii

A series of five new mononuclear pentagonal bipyramidal Co(II) complexes with the equatorial 2,6-diacetylpyridine bis(semicarbazone) ligand (H2dapsc) and various axial pseudohalide ligands (SCN, SeCN, N(CN)2, C(CN)3, and N3) was prepared and structur...

  • Article
  • Open Access
1 Citations
3,668 Views
16 Pages

Numerical investigation of the effects of magnetic field strength, thermal radiation, Joule heating, and viscous heating on a forced convective flow of a non-Newtonian, incompressible power-law fluid in an axisymmetric stretching sheet with variable...

  • Review
  • Open Access
111 Citations
12,410 Views
29 Pages

During the last few decades, magnetic nanoparticles have been evaluated as promising materials in the field of cancer detection, screening, and treatment. Early diagnosis and screening of cancer may be achieved using magnetic nanoparticles either wit...

  • Article
  • Open Access
14 Citations
4,364 Views
12 Pages

Two dinuclear lanthanide complexes [Dy2(L1)6(L2)2]·2EtOH (1) and [Tb2(L1)6(L2)2]·2EtOH (2) (HL1 = phenoxyacetic acid and L2 = 2,2′-bipyridine) were synthesized and the crystal structures were determined. In both complexes, the lan...

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Magnetochemistry - ISSN 2312-7481