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   Effect of grain-boundary diffusion process on the geometry of the grain microstructure of Nd−Fe−B nanocrystalline magnetsTitov, Ivan  ; ; Bender, Philipp Florian et alin Physical Review Materials (2019), 3(084410), Detailed reference viewed: 53 (3 UL) Microstructural-defect-induced Dzyaloshinskii-Moriya interactionMichels, Andreas ; ; Titov, Ivan et alin Physical Review. B, Condensed Matter (2019), 99 Detailed reference viewed: 128 (16 UL)Evidence for the formation of nanoprecipitates with magnetically disordered regions in bulk Ni50Mn45In5 Heusler alloys; Titov, Ivan ; Malyeyev, Artem et alin Physical Review. B, Condensed Matter and Materials Physics (2019), 99 Detailed reference viewed: 125 (17 UL)Crossover in the pressure evolution of elementary distortions in RFeO3 perovskites and its impact on their phase transition; ; Guennou, Mael et alin Physical Review. B (2019), 99 This work reports on the pressure dependence of the octahedral tilts and mean Fe-O bond lengths in RFeO3 (R = Nd, Sm, Eu, Gd, Tb, and Dy), determined through synchrotron x-ray diffraction and Raman ... [more ▼] This work reports on the pressure dependence of the octahedral tilts and mean Fe-O bond lengths in RFeO3 (R = Nd, Sm, Eu, Gd, Tb, and Dy), determined through synchrotron x-ray diffraction and Raman scattering, and their role on the pressure-induced phase transition displayed by all of these compounds. For larger rare-earth cations (Nd-Sm), both anti- and in-phase octahedral tilting decrease as pressure increases, whereas the reverse behavior is observed for smaller ones (Gd-Dy). EuFeO3 stands at the borderline, with nearly pressure-independent tilt angles. For the compounds where the tilts increase with pressure, the FeO6 octahedra are compressed at lower rates than for those ones exhibiting opposite pressure tilt dependence. The crossover between the two opposite pressure behaviors is discussed in relation to the general rules proposed from different theoretical approaches. The similarity of the pressure-induced isostructural insulator-to-metal phase transition, observed in the whole series, points out that the tilts play a minor role in its driving mechanisms. A clear relationship between octahedral compressibility and critical pressure is ascertained. [less ▲] Detailed reference viewed: 63 (0 UL)Composition and phases in laser welded Al-Cu joints by synchrotron x-ray microdiffractionSchmalen, Pascal Guy ; Plapper, Peter ; Peral Alonso, Inmaculada et alin Proceedings of 10th CIRP Conference on Photonic Technologies [LANE 2018] (2018) This paper presents the characterization of the intermetallic phases of laser-welded Al-Cu joints by synchrotron trough-the-substrate microdiffraction combined with SEM/EDX and etched/non-etched optical ... [more ▼] This paper presents the characterization of the intermetallic phases of laser-welded Al-Cu joints by synchrotron trough-the-substrate microdiffraction combined with SEM/EDX and etched/non-etched optical micrographs. Transmission microdiffraction offers the spatial resolution and beam flux necessary to study the intermetallic phases, which in conjunction with the excellent contrast of etched micrographs, rendered possible the phase identification. It was found that the major phases are Al2Cu (θ), Al4Cu9 (γ1) and AlCu (η2) were formed. The Al3Cu4 (ζ1) and δ phases where formed in less amount and found to be the primary cause for cracks inside the weld seam and therefore for the failure of the joint. [less ▲] Detailed reference viewed: 92 (5 UL)Effect of annealing conditions on the microstructure and magnetic properties of sintered Nd-Fe-B magnets as seen by magnetic small-angle neutron scatteringMichels, Andreas ; Perigo, Elio Alberto ; Titov, Ivan et alScientific Conference (2018, August 29) Detailed reference viewed: 81 (1 UL)Cation distribution of Mn-Zn ferrite nanoparticles using pair distribution function analysis and resonant X-ray scattering; ; et al in Europhysics Letters (2018) Detailed reference viewed: 59 (0 UL)Combining X‐Ray Whole Powder Pattern Modeling, Rietveld and Pair Distribution Function Analyses as a Novel Bulk Approach to Study Interfaces in Heteronanostructures: Oxidation Front in FeO/Fe3O4 Core/Shell Nanoparticles as a Case Study; ; et al in Small: Nano Micro (2018) Detailed reference viewed: 51 (0 UL)Sodium enhances indium-gallium interdiffusion in copper indium gallium diselenide photovoltaic absorbersColombara, Diego ; Werner, Florian ; et alin Nature Communications (2018) Detailed reference viewed: 326 (10 UL)Evidence for a core–shell configuration in Tb-doped KY3F10 nanoparticles using synchrotron x-ray line profile and pair distribution function analyses; ; Peral Alonso, Inmaculada et alin Materials Research Express (2018), Volume 5(Number 1), Detailed reference viewed: 80 (1 UL)Effect of annealing conditions on the microstructure and magnetic properties of sintered Nd-Fe-B magnets as seen by magnetic smallangle neutron scattering; Titov, Ivan ; et alin Materials Research Express (2018), 5 Detailed reference viewed: 106 (12 UL)Resolving Inclusion Structure and Deformation Mechanisms in Polylactide Plasticized by Reactive Extrusion; ; et al in Macromolecular Materials and Engineering (2017) Detailed reference viewed: 111 (0 UL)Ag2Cu3Cr2O8(OH)4: a new bidimensional silver–copper mixed-oxyhydroxide with in-plane ferromagnetic coupling; ; et al in Dalton Transactions (2017), 46 Detailed reference viewed: 70 (1 UL)Phase Transformations in the CeO2–Sm2O3 System: A Multiscale Powder Diffraction Investigation; ; et al in Inorganic Chemistry (2017), 57(2), 879891 Detailed reference viewed: 73 (1 UL)Influence of Material Moisture during Laser Joining of Polyamide 6.6 to Aluminum; Peral Alonso, Inmaculada ; Plapper, Peter in Atiner's Conference Paper Series (2017), IND 2017 - 2270 Detailed reference viewed: 55 (7 UL)Characterization of competing distortions in YFe2O4; ; et al in Physical Review. B : Condensed Matter (2016), 93 Detailed reference viewed: 30 (1 UL) |
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