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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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Magen, C.
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Topics
Publications (10/10 displayed)
- 2022Indium segregation in Gd-5(Si, Ge)(4) magnetocaloric materialscitations
- 2022Indium segregation in Gd-5(Si, Ge)(4) magnetocaloric materialscitations
- 2019Probing the morphology of epitaxial Fe/MgO discontinuous multilayers by magnetometric techniquecitations
- 2017Tuning shape, composition and magnetization of three-dimensional cobalt nanowires grown by Focused Electron Beam Induced Deposition (FEBID)
- 2017On the nature of the (de)coupling of the magnetostructural transition in Er5Si4citations
- 2015Atomic Scale Structure and Reduction of Cerium Oxide at the Interface with Platinumcitations
- 2012Nanoscale strain-induced pair suppression as a vortex-pinning mechanism in high-temperature superconductorscitations
- 2009Magnetic and crystal structure of Ho-5(SixGe(1-x))(4) studied by neutron diffractioncitations
- 2008Large inverse magnetoresistance in fully epitaxial Fe∕Fe3O4∕MgO∕Co magnetic tunnel junctionscitations
- 2005Multi-step and anomalous reproducible behaviour of the electrical resistivity near the first-order magnetostructural transition of Gd-5(Si0.1Ge0.9)(4)citations
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article
On the nature of the (de)coupling of the magnetostructural transition in Er5Si4
Abstract
In this report, a successful thermodynamical model was employed to understand the structural transition in Er5Si4, able to explain the decoupling of the magnetic and structural transition. This was achieved by DFT calculations, which were used to determine the energy differences at 0K, using a LSDA+U approximation. It was found that the M structure is the stable phase at low temperatures, as verified experimentally with a value of Delta F-0=-0.262eV. Finally, a variation of Seebeck coefficient (similar to 6 mu V) was determined at the structural transition, which allows to conclude that the electronic entropy variation is negligible in the transition. (C) 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim