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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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Piovano, Andrea
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Topics
Publications (6/6 displayed)
- 2023Revisiting the lattice dynamics of cubic yttria-stabilized zirconia
- 2023Assessing Low-Cost Computational Methods against Structural Properties and Size Effects of Pt nanoparticlescitations
- 2019Characterization of Multiferroic Bi2Mn4O10 by Dielectric and Neutron Spectroscopycitations
- 2019Characterization of Multiferroic Bi 2 Mn 4 O 10 by Dielectric and Neutron Spectroscopycitations
- 2015Solid-state reactivity explored in situ by synchrotron radiation on single crystals: from SrFeO2.5 to SrFeO3 via electrochemical oxygen intercalationcitations
- 20110.5 wt.% Pd/C catalyst for purification of terephthalic acid: Irreversible deactivation in industrial plantscitations
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article
Characterization of Multiferroic Bi2Mn4O10 by Dielectric and Neutron Spectroscopy
Abstract
<jats:sec><jats:label /><jats:p>The low‐temperature behavior of single‐crystalline Bi<jats:sub>2</jats:sub>Mn<jats:sub>4</jats:sub>O<jats:sub>10</jats:sub> is studied using dielectric impedance spectroscopy and inelastic neutron scattering. Several relaxation processes with pronounced anisotropic character can be identified in the frequency range between 1 Hz and 1 MHz for temperatures between 150 and 300 K. The dielectric as well as the mechanical properties are demonstrated close to the anti‐ferromagnetic transition. The static dielectric permittivity yields a small but well‐defined peak at the Néel temperature of (38.3 ± 0.1) K, which is related to the type‐II multiferroic nature of this transition. Spectra of acoustic phonons, on the other hand, do not exhibit any significant temperature‐dependent variation and, hence, there are no indications for a predominant magneto‐elastic coupling associated with this phase transition.</jats:p></jats:sec>