| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Zelený, Martin
Brno University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Constant plane shift model: Structure analysis of martensitic phases in Ni50Mn27Ga22Fe1 beyond non-modulated building blockscitations
- 2022Impact of interstitial elements on the stacking fault energy of an equiatomic CoCrNi medium entropy alloy: theory and experimentscitations
- 2022Impact of interstitial elements on the stacking fault energy of an equiatomic CoCrNi medium entropy alloy: theory and experimentscitations
- 2022Localization versus delocalization of d-states within the Ni 2 MnGa Heusler alloycitations
- 2021Ab initio study of Ni2MnGa under shear deformation ; Ab initio studium slitiny Ni2MnGa vystavené smykové deformacicitations
- 2021Effect of electron localization in theoretical design of Ni-Mn-Ga based magnetic shape memory alloyscitations
- 2021Ab initio study of properties of Co- and Cu- doped Ni-Mn-Ga alloys ; Ab initio studium vlastností slitiny Ni-Mn-Ga dopované Co a Cucitations
- 2020Low temperature a/b nanotwins in Ni50Mn25+xGa25x Heusler alloyscitations
- 2020Magnetic and Magneto-Optical Properties of Fe75-xMn25Gax Heusler-like Compoundscitations
- 2020Transformation Paths from Cubic to Low-Symmetry Structures in Heusler Ni2MnGa Compoundcitations
- 2020First-principles study of Zn-doping effects on phase stability and magnetic anisotropy of Ni-Mn-Ga alloyscitations
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article
Magnetic and Magneto-Optical Properties of Fe75-xMn25Gax Heusler-like Compounds
Abstract
Fe75-xMn25Gax Heusler-like compounds were investigated in a wide range of Fe/Ga ratios while keeping the Mn content constant and equal 25 at% in order to elucidate the interplay between magnetic properties and composition. Materials were prepared by arc-melting from pure elements and subsequently annealed. Experimental investigations were focused on magnetization behavior in a wide temperature range from 4 to 1000 K and magnetic field up to 9 T. Optical and magneto-optical (MO) measurements were employed to shed more light on the magnetic state and electronic structure of investigated materials. Magnetization measurements indicated that in the vicinity of stoichiometry (Fe2MnGa) the compounds are ferro/ferrimagnetic, whereas the Fe-deficient compound is paramagnetic and at high Fe concentration the antiferromagnetic interaction prevails. Theoretical calculations of corresponding ordered and disordered stoichiometric compounds were carried out and compared to the experiment on the level of net magnetic moment as well as magneto-optical spectra. This comparison suggests that the Heusler crystal structure, L2(1), is not present even close to stoichiometry. Moreover, the comparison of density of states (DOS) for ordered and disordered structures allowed us to explain missing martensitic transformation (MT) in investigated materials.