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Magnetochemistry, Volume 9, Issue 10

2023 October - 11 articles

Cover Story: The EPR spectra of multispin systems can be analyzed with the help of carefully constructed models to yield a wealth of information on their spin-spin interactions. This is possible not just with single-crystal spectra, but even with powder or a frozen solution. This paper highlights the use of such a model to derive exchange, dipolar and hyperfine couplings from a simple frozen solution or powder spectra of copper(II) triangles. View this paper
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Articles (11)

  • Article
  • Open Access
5 Citations
3,122 Views
13 Pages

The Magnetostriction of Amorphous Magnetic Microwires: The Role of the Local Atomic Environment and Internal Stresses Relaxation

  • Valentina Zhukova,
  • Alfonso García-Gómez,
  • Alvaro Gonzalez,
  • Margarita Churyukanova,
  • Sergey Kaloshkin,
  • Paula Corte-Leon,
  • Mihail Ipatov,
  • Jesus Olivera and
  • Arcady Zhukov

We studied the magnetostriction coefficients, λs, Curie temperature, Tc, and their dependence on annealing conditions in Fe47Ni27Si11B13C2 and Co67Fe3.9Ni1.5B11.5Si14.5Mo1.6 amorphous glass-coated microwires with rather different character of...

  • Article
  • Open Access
1 Citations
2,077 Views
13 Pages

Radio amplification using stimulated emission of radiation (RASER) effects in the NMR can increase NMR signals over time due to a feedback loop between the sample magnetization and the probe coil coupled with radiation damping (RD). Previously, RD ra...

  • Article
  • Open Access
4 Citations
2,744 Views
22 Pages

Superparamagnetism of Artificial Glasses Based on Rocks: Experimental Data and Theoretical Modeling

  • Petr Kharitonskii,
  • Elena Sergienko,
  • Andrey Ralin,
  • Evgenii Setrov,
  • Timur Sheidaev,
  • Kamil Gareev,
  • Alexander Ustinov,
  • Nikita Zolotov,
  • Svetlana Yanson and
  • Danil Dubeshko

Artificial glasses containing nanoscale inclusions of iron oxides, including magnetite and hematite, were obtained via the method of the high-temperature melting of rocks. The main factors influencing the magnetic properties of glasses are the compos...

  • Article
  • Open Access
5 Citations
2,483 Views
14 Pages

Phase Separation in the Double Perovskite Sr2FeNbO6-δ

  • Daniil Popov,
  • Ruslan Batulin,
  • Mikhail Cherosov,
  • Farit Vagizov,
  • Almaz Zinnatullin,
  • Tatiana Chupakhina,
  • Yuliya Deeva,
  • Tanmoy Maiti and
  • Rushana Eremina

The ceramic perovskite Sr2FeNbO6-δ was synthesized via the solution combustion precursor method. X-ray phase analysis showed that the sample is single-phase and does not contain impurities. The specific heat capacity and the Mössbauer spec...

  • Article
  • Open Access
1 Citations
3,807 Views
17 Pages

Temperature Dependence of Magnetization Dynamics in Co/IrMn and Co/FeMn Exchange Biased Structures

  • Irina O. Dzhun,
  • Andrey V. Gerasimenko,
  • Alexander A. Ezhov,
  • Stanislav I. Bezzubov,
  • Valeria V. Rodionova,
  • Christina A. Gritsenko and
  • Nikolai G. Chechenin

Thin film ferromagnet/antiferromagnet (F/AF) exchange biased structures that are widely used in GMR spin valves are considered nowadays as promising systems for antiferromagnetic spintronic and spin-orbitronic devices. Here, the temperature dependenc...

  • Article
  • Open Access
2,611 Views
13 Pages

The weak intramolecular magnetic interactions within a series of CuII3 complexes based on the trinucleating 2,4,6-tris(di-2-pyridylamino)-1,3,5-triazine (dipyatriz) ligand were investigated via Electron Paramagnetic Resonance (EPR) spectroscopy. X- a...

  • Article
  • Open Access
1 Citations
4,760 Views
18 Pages

The superconducting magnet energy storage (SMES) has become an increasingly popular device with the development of renewable energy sources. The power fluctuations they produce in energy systems must be compensated with the help of storage devices. A...

  • Article
  • Open Access
3 Citations
2,835 Views
13 Pages

Investigation of Ferrofluid Sessile Droplet Tensile Deformation in a Uniform Magnetic Field

  • Gui-Ping Zhu,
  • Shi-Hua Wu,
  • Shu-Ze Zheng,
  • Lai Li and
  • Nam-Trung Nguyen

A significant growth of research on digital microfluidics has been achieved over the past several decades, and the field is still attracting increasing attention for fulfilling relevant mechanisms and potential applications. Numerous studies have bee...

  • Article
  • Open Access
4 Citations
3,123 Views
13 Pages

Equivalent Noise Analysis and Modeling for a Magnetic Tunnel Junction Magnetometer with In Situ Magnetic Feedback

  • Aiyu Dou,
  • Ru Bai,
  • Yucheng Sun,
  • Jiakun Tu,
  • Chuanjia Kou,
  • Xin Xie and
  • Zhenghong Qian

Magnetic tunnel junction (MTJ) sensors have been one of the excellent candidates for magnetic field detection due to their high sensitivity and compact size. In this paper, we design a magnetometer with in situ magnetic feedback consisting of an MTJ...

  • Article
  • Open Access
8 Citations
2,801 Views
17 Pages

Polymer-Assisted Synthesis, Structure and Magnetic Properties of Bimetallic FeCo- and FeNi/N-Doped Carbon Nanocomposites

  • Gulsara D. Kugabaeva,
  • Kamila A. Kydralieva,
  • Lyubov S. Bondarenko,
  • Rose K. Baimuratova,
  • Dmitry Yu. Karpenkov,
  • Ekaterina A. Golovkova,
  • Pavel N. Degtyarenko,
  • Nina D. Golubeva,
  • Igor E. Uflyand and
  • Gulzhian I. Dzhardimalieva

Bimetallic FeCo and FeNi nanoparticles attract much attention due to their promising magnetic properties and a wide range of practical applications as recording and storage media, catalytic systems in fuel cells, supercapacitors, lithium batteries, e...

  • Article
  • Open Access
5 Citations
2,518 Views
18 Pages

A Study of the Structure and Physicochemical Properties of the Mixed Basicity Iron Ore Sinter

  • Andrey N. Dmitriev,
  • Elena A. Vyaznikova,
  • Galina Yu. Vitkina and
  • Antonina I. Karlina

To study the influence of sinter basicity on the microstructure, phase composition, and physicochemical and metallurgical properties, samples of agglomerates with different basicities were sintered and investigated. A comprehensive study of the struc...

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Magnetochemistry - ISSN 2312-7481