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Magnetochemistry, Volume 8, Issue 11

November 2022 - 25 articles

Cover Story: Materials that simultaneously possess at least two ferroic orders are described as multiferroic. The search for such materials has expanded to several classes of systems, of which the magnetic perovskites provide outstanding examples with a wide range of cation compositions and oxygen stoichiometries. Obtaining specific polarization/magnetization values requires the solution of a large parameter space of stoichiometries and compositions to achieve useful properties. We demonstrate using ab initio calculations that Fe,Co-substituted SrTiO3−δ support large electric polarization changes through O-migration and/or O-deficiency changes, which are compatible with a robust magnetization. Our results suggest the existence of a broader set of rules for oxygen-deficient multiferroic oxides. View this paper
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Articles (25)

  • Article
  • Open Access
16 Citations
4,704 Views
13 Pages
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Molarity Effects of Fe and NaOH on Synthesis and Characterisation of Magnetite (Fe3O4) Nanoparticles for Potential Application in Magnetic Hyperthermia Therapy

  • Lokesh Srinath Ganapathe,
  • Jamal Kazmi,
  • Mohd Ambri Mohamed and
  • Dilla Duryha Berhanuddin
Magnetochemistry2022, 8(11), 161;https://doi.org/10.3390/magnetochemistry8110161

21 November 2022

In this study, the effect of molarity on the structural, magnetic, and heat dissipation properties of magnetite nanoparticles (MNPs) was investigated to optimise the parameters for potential application in magnetic hyperthermia therapy (MHT). MHT wor...

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  • Article
  • Open Access
6 Citations
2,487 Views
11 Pages
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PAN—Composite Electrospun-Fibers Decorated with Magnetite Nanoparticles

  • Zulkhair Mansurov,
  • Gaukhar Smagulova,
  • Bayan Kaidar,
  • Aigerim Imash and
  • Aidos Lesbayev
Magnetochemistry2022, 8(11), 160;https://doi.org/10.3390/magnetochemistry8110160

21 November 2022

The results of the synthesis of PAN(polyacrylonitrile)-magnetite composite fibers using the electrospinning method are presented. The electrospinning installation included a rotating drum collector for collecting fibers. Magnetite nanoparticles were...

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  • Article
  • Open Access
8 Citations
4,539 Views
10 Pages
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Modelling of Magnetic Stray Fields in Multilayer Magnetic Films with In-Plane or Perpendicular Anisotropy

  • Sai Zhou,
  • Yiyue Wang and
  • Yaowen Liu
Magnetochemistry2022, 8(11), 159;https://doi.org/10.3390/magnetochemistry8110159

19 November 2022

The magnetic stray field is an unavoidable consequence of magnetic multilayers, which may have a significant influence on the performance of spintronic devices. Based on Maxwell’s magnetostatics theory, here we numerically calculated the distri...

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  • Article
  • Open Access
1 Citations
1,789 Views
8 Pages
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Effect of Substrate on One-Dimensional Multiferroic Properties

  • Ivan Maltsev and
  • Igor Bychkov
Magnetochemistry2022, 8(11), 158;https://doi.org/10.3390/magnetochemistry8110158

16 November 2022

We present a theoretical study of the substrate influence on the electrical and magnetic properties of a one-dimensional multiferroic. We used a one-dimensional axial next-nearest neighbor Ising model (1D ANNNI model). The effect of the substrate was...

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  • Article
  • Open Access
4 Citations
2,584 Views
16 Pages
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An Improved 3D Magnetization Inversion Based on Smoothness Constraints in Spherical Coordinates

  • Liang Zhang,
  • Guangyin Lu,
  • Ziqiang Zhu and
  • Shujin Cao
Magnetochemistry2022, 8(11), 157;https://doi.org/10.3390/magnetochemistry8110157

14 November 2022

In the inverse problem, the traditional way to obtain a stable solution is based on the maximum smoothness criteria. However, this approach cannot generate clearer and more focused images. In this study, we propose an improved inversion method based...

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  • Article
  • Open Access
8 Citations
2,296 Views
23 Pages
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On the Concurrent Bipartite Entanglement of a Spin-1 Heisenberg Diamond Cluster Developed for Tetranuclear Nickel Complexes

  • Azadeh Ghannadan,
  • Katarína Karl’ová and
  • Jozef Strečka
Magnetochemistry2022, 8(11), 156;https://doi.org/10.3390/magnetochemistry8110156

12 November 2022

The bipartite entanglement of a quantum spin-1 Heisenberg diamond cluster in the presence of the external magnetic field is quantified through the negativity, which is calculated for spin pairs from a diagonal and a side of the diamond spin cluster t...

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  • Article
  • Open Access
7 Citations
2,601 Views
22 Pages
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Impact of an Induced Magnetic Field on the Stagnation-Point Flow of a Water-Based Graphene Oxide Nanoparticle over a Movable Surface with Homogeneous–Heterogeneous and Chemical Reactions

  • Umair Khan,
  • Aurang Zaib,
  • Anuar Ishak,
  • Abeer M. Alotaibi,
  • Samia Elattar,
  • Ioan Pop and
  • Ahmed M. Abed
Magnetochemistry2022, 8(11), 155;https://doi.org/10.3390/magnetochemistry8110155

12 November 2022

Water has attracted plenty of attention as a lubricant for manufacturing due to the fact that it is inexpensive, environmentally friendly, and efficient. Because of their outstanding mechanical capabilities, water dispensability, and range of real ap...

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  • Article
  • Open Access
4 Citations
4,059 Views
8 Pages
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Interface Effects on Magnetic Anisotropy and Domain Wall Depinning Fields in Pt/Co/AlOx Thin Films

  • Babu Ram Sankhi,
  • Ujjal Lamichhane,
  • Soumya Mandal,
  • Ritesh Sachan,
  • Emrah Turgut and
  • Derek Meyers
Magnetochemistry2022, 8(11), 154;https://doi.org/10.3390/magnetochemistry8110154

12 November 2022

We report the dependence of the domain wall depinning field, domain wall velocity, including anisotropy direction, and magnetic properties on the oxidized aluminum thickness of perpendicularly magnetized asymmetric Pt/Co/AlOx trilayers. We also adopt...

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  • Article
  • Open Access
8 Citations
4,066 Views
21 Pages
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Mononuclear Heptacoordinated 3d-Metal Helicates as a New Family of Single Ion Magnets

  • Yulia P. Tupolova,
  • Denis V. Korchagin,
  • Anastasya S. Andreeva,
  • Valery V. Tkachev,
  • Gennadii V. Shilov,
  • Vladimir A. Lazarenko,
  • Leonid D. Popov,
  • Konstantin A. Babeshkin,
  • Nikolay N. Efimov and
  • Roman B. Morgunov
  • + 4 authors
Magnetochemistry2022, 8(11), 153;https://doi.org/10.3390/magnetochemistry8110153

9 November 2022

The series of Co(II), Fe(II), and Ni(II) mononuclear coordination compounds of [CoL(NCS)2]·3DMSO (1), [CoL(H2O)2](ClO4)2·DMSO (2), [CoL(H2O)(EtOH)][CoCl4]·2H2O (2a), [FeL(NCS)2]·DMSO (3), and [NiL(NCS)2]·CH3CN (4) c...

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  • Feature Paper
  • Article
  • Open Access
1 Citations
2,298 Views
10 Pages
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Effect of External Pressure on the Metal–Insulator Transition of the Organic Quasi-Two-Dimensional Metal κ-(BEDT-TTF)2Hg(SCN)2Br

  • Sergei I. Pesotskii,
  • Rustem B. Lyubovskii,
  • Gennady V. Shilov,
  • Vladimir N. Zverev,
  • Svetlana A. Torunova,
  • Elena I. Zhilyaeva and
  • Enric Canadell
Magnetochemistry2022, 8(11), 152;https://doi.org/10.3390/magnetochemistry8110152

8 November 2022

The metal–insulator transition in the organic quasi-two-dimensional metal κ-(BEDT-TTF)2Hg(SCN)2Br at TMI ≈ 90 K has been investigated. The crystal structure changes during this transition from monoclinic above TMI to triclinic below...

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