Výsledky vyhledávání - "J.M. Le Breton"

Influence of flexoelectricity on the spin cycloid in (110)-oriented BiFe O 3 films

Autor: Florian Appert, Stuart R. Burns, A. Barthélémy, Qi Zhang, Daniel Sando, Yann Gallais, C. Carrétéro, Alain Sacuto, Stéphane Fusil, Manuel Bibes, Jean Juraszek, Vincent Garcia, Valanoor Nagarajan, J.M. Le Breton, Maximilien Cazayous

Publikováno v: Physical Review Materials
Physical Review Materials, American Physical Society, 2019, 3 (10), ⟨10.1103/PhysRevMaterials.3.104404⟩
Physical Review Materials, 2019, 3 (10), ⟨10.1103/PhysRevMaterials.3.104404⟩

The influence of film orientation, strain relaxation, and flexoelectric fields on the stability of the spin cycloid in (110)-oriented $\mathrm{BiFe}{\mathrm{O}}_{3}$ epitaxial films grown on $\mathrm{LaAl}{\mathrm{O}}_{3}$ substrates is investigated.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6e6f7293721fd56d5e123bd9d5ca1c4
https://hal-normandie-univ.archives-ouvertes.fr/hal-02310230

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Temperature independence of the dielectric constant in the antiferromagnetic iron intergrowth: Sr4Fe2.5O7.25(SO4)0.5

Autor: Emmanuelle Suard, Philippe Boullay, Yohann Bréard, Bruno Gonano, Alain Pautrat, Fabien Veillon, J.M. Le Breton, Olivier Perez, Vincent Caignaert, Denis Pelloquin

Publikováno v: Journal of Physics and Chemistry of Solids
Journal of Physics and Chemistry of Solids, 2019, 127, pp.88-93. ⟨10.1016/j.jpcs.2018.12.009⟩
Journal of Physics and Chemistry of Solids, Elsevier, 2019, 127, pp.88-93. ⟨10.1016/j.jpcs.2018.12.009⟩

International audience; The magnetic structure of the anisotropic compound Sr4Fe2.5O7.25(SO4)0.5 has been determined by means of neutron diffraction and Mossbauer spectroscopy. Spins are lying in the basal plan within an antiferromagnetic G type stru

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b5b34926244c21c880f173cfac07ab9
https://hal.science/hal-02112069

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A magnetic phase diagram for nanoscale epitaxial BiFeO3 films

Autor: Stuart R. Burns, Oliver Paull, J.M. Le Breton, Manuel Bibes, Maximilien Cazayous, Yann Gallais, Laurent Bellaiche, Jean Juraszek, Vincent Garcia, Alain Sacuto, Bertrand Dupé, Valanoor Nagarajan, Brahim Dkhil, Florian Appert, Daniel Sando, C. Carrétéro, Bin Xu, Agnès Barthélémy

Publikováno v: Applied Physics Reviews
Applied Physics Reviews, 2019, 6 (4), pp.041404. ⟨10.1063/1.5113530⟩
Applied Physics Reviews, AIP Publishing, 2019, 6 (4), pp.041404. ⟨10.1063/1.5113530⟩

BiFeO3 thin films have attracted considerable attention by virtue of their potential application in low-energy spintronic and magnonic devices. BiFeO3 possesses an intricate magnetic structure, characterized by a spin cycloid with period ∼62 nm tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c6ab2ae70cc2ec0f8aba2eecd23c752
https://normandie-univ.hal.science/hal-02362696/document

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Structural modifications in a Mn54Al43C3 melt-spun alloy induced by mechanical milling and subsequent annealing investigated by atom probe tomography

Autor: J.M. Le Breton, Malick Jean, Michael J. Lucis, Rodrigue Lardé, Jeffrey E. Shield, E. Folcke, Julien Bran

Publikováno v: Journal of Alloys and Compounds. 581:86-90

The structural changes upon milling and subsequent annealing of a Mn 54 Al 43 C 3 alloy containing the intermetallic tetragonal L1 0 MnAl phase (τ phase) as the major phase were investigated by X-ray diffraction and atom probe tomography. The analys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac0a105c737689ebc9c2ca0eeee96def
https://doi.org/10.1016/j.jallcom.2013.07.002

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Insight into magnetic, ferroelectric and elastic properties of strained BiFeO 3 thin films through Mössbauer spectroscopy

Autor: S. Jouen, Manuel Bibes, B. Dkhil, Daniel Sando, C. Carrétéro, J.M. Le Breton, Jean Juraszek, A. Agbelele, Alain Barthélémy, Ingrid C. Infante

Publikováno v: Applied Physics Letters
Applied Physics Letters, 2016, 109 (109), pp.042902. ⟨10.1063/1.4959790⟩
Applied Physics Letters, American Institute of Physics, 2016, 109 (109), pp.042902. ⟨10.1063/1.4959790⟩

International audience; We have studied the magnetic order of highly strained (001)-oriented BiFeO3 (BFO) thin filmsusing 57Fe Conversion Electron M€ossbauer Spectrometry. From 90K to 620K the films exhibit acollinear antiferromagnetic structure, i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42c594aac586bea61b5a6c6f9a89781c
https://hal.science/hal-01385226

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Laser-assisted atom probe tomography investigation of magnetic FePt nanoclusters: First experiments

Autor: M. M. Patterson, Jeffrey E. Shield, François Vurpillot, X. Rui, J.M. Le Breton, Rodrigue Lardé, Emeric Folcke, Maria Gruber

Publikováno v: Journal of Alloys and Compounds. 517:40-44

FePt nanoclusters dispersed in a Cr matrix have been investigated by laser-assisted atom probe tomography. The results were analysed according to simulated evaporation experiments. Three–dimensional (3D) reconstructions reveal the presence of nanoc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa2d7ce8d54bd4e923a794dad2fb4303
https://doi.org/10.1016/j.jallcom.2011.11.134

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Nanoscale characterization of powder materials by atom probe tomography

Autor: Rodrigue Lardé, J.M. Le Breton, Malick Jean, Julien Bran

Publikováno v: Powder Technology. 208:260-265

The tomographic atom probe (TAP) is a three-dimensional quantitative high-resolution microscope which provides, at the atomic scale, the spatial distribution of atoms in the analysed specimen. Until now, this technique was little used to characterize

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4465a2dc3eb7fe821198378e59863509
https://doi.org/10.1016/j.powtec.2010.08.014

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Structural and magnetic investigation of powders by Mössbauer spectrometry

Autor: J.M. Le Breton, M. S. Ben Kraiem, M. Ellouze, A. Cheikhrouhou, Ph. L’Héritier, F. Richomme

Publikováno v: Journal of Alloys and Compounds. 505:423-427

( R 1 − x R ′ x ) F e 17 − y C o y powders were prepared by induction melting. Nitrogen (2.9 ± 0.1 atoms per formula unit) was inserted under a static nitrogen gas atmosphere. The nitrided powders have been investigated by 57 Fe Mossbauer spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9f5eec0183b4c0b2ce8e1222050f451
https://doi.org/10.1016/j.jallcom.2010.06.108

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