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Pressure-induced magnetovolume effect in CoCrFeAl high-entropy alloy
High-entropy alloys (HEAs) composed of multiple-principal elements with (nearly) equimolar ratio establish a new conceptual framework for alloy...
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Negative thermal expansion in YbMn2Ge2 induced by the dual effect of magnetism and valence transition
Negative thermal expansion (NTE) is an intriguing property, which is generally triggered by a single NTE mechanism. In this work, an enhanced NTE ( α v = −32.9 × 10...
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Pressure Effect on the Magnetic Properties of the Heusler Alloy Co2NbGa
Magnetization measurements were conducted on a ferromagnetic Co 2 NbGa with the Heusler-type structure at various pressures. The spontaneous magnetic...
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Negative thermal expansion: Mechanisms and materials
Negative thermal expansion (NTE) of materials is an intriguing phenomenon challenging the concept of traditional lattice dynamics and of importance...
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Magnetovolume Effects in Strongly Correlated Plutonium Phases
Thermodynamic spin fluctuations in strongly correlated plutonium (Pu) phases with exchange and spin–orbit interactions are considered. In α- and δ-Pu...
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Simulation study by phenomenological and Bean–Rodbell methods of La0.7Sr0.3Mn0.95Fe0.05O3 compound
The La 0.7 Sr 0.3 Mn 0.95 Fe 0.05 O 3 sample has been prepared by solid-state method. The crystallographic analysis demonstrates that the sample crystallizes...
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Summary and Outlook
In this thesis we have presented an ab initio theory for the calculation of pair- and multi-spin, or multi-site, magnetic interactions in magnetic...
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Magnetic-field-induced avalanches in magnetization and magnetoresistance of La0.9Ce0.1Fe12B6 compound
Competition between paramagnetic (PM), antiferromagnetic (AFM) and ferromagnetic (FM) phases in La 0.9 Ce 0.1 Fe 12 B 6 itinerant-electron metamagnetic...
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The Magnetism of Mn \(_3\) A (A \(=\) Pt, Ir, Rh, Sn, Ga, Ge)
The Mn\(_3\)A class of magnetic materials, where A \(=\) Pt, Ir, Rh, Sn, Ga, and Ge, shows a striking long diversity of different crystal structures,...
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9. Molecular Dynamics Simulations in Biology, Chemistry and Physics
We review recent progress in understanding fundamental processes in biology, chemistry and physics on the basis of ab initio and molecular dynamics...
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Diverse magnetism in stable and metastable structures of CrTe
In this paper, we systematically investigated the structural and magnetic properties of CrTe by combining particle swarm optimization algorithm and...
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Magnetostriction and Magnetoelasticity
The physical concepts magnetostriction and magnetoelasticity are presented. Spontaneous volume magnetostriction and saturation linear...
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Magnetostriction and Magnetoelasticity
The physical concepts magnetostriction and magnetoelasticity are presented. Spontaneous volume magnetostriction and saturation linear...
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Structural, magnetic and magnetocaloric study of Sm2Fe17−xNix (x = 0, 0.25, 0.35 and 0.5) compounds
Magnetic refrigeration could eventually replace the conventional refrigeration, for ecological reasons and for its potential superior efficiency....
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Critical Exponent Analysis and Evidence of Long-Range Ferromagnetic Order in Lightly Pr-Doped Nanocrystalline (La1-xPrx)0.67Ba0.33MnO3 (x = 0.15 and 0.22) Manganites
We investigate the effect of lightly Pr 3+ do** ions on the critical behavior of (La 1- x Pr x ) 0.67 Ba 0.33 MnO 3 ( x = 0.15–0.22) perovskite synthesized by...
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Structural, Magnetic and Magnetocaloric Effect of Gd6(Mn1−xFex)23 Compounds
The influences of Mn/Fe ratio on the structural, magnetic and magnetocaloric properties of Gd 6 (Mn 1− x Fe x ) 23 ( x = 0.0–0.5) compounds have been...
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Frustrated Magnetism in Mn-Based Antiperovskite Mn \(_3\) GaN
The rich magnetism that originates in the family Mn\(_3\)AX (X \(=\) C and N, and A \(=\) Ni, Ag, Zn, Ga, In, Al, Sn, etc.) raises fundamental...
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Minimisation of the Gibbs Free Energy: Magnetic Phase Diagrams and Caloric Effects
Chapters 2 and 3 contain the DFT-DLM theory adopted in this thesis and the entire formalism of how to use KKR-MST in the context of SDFT to describe...
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Magnetodielectric Relaxation in Ho2Ti2O7 and Dy2Ti2O7 Spin Ice
Materials having magnetoelectricity is one of the highest priority research topics for the development of novel multifunctional materials. Recently,...
