2023-09-07
04:59 |
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12 p, 8.1 MB |
Silver-induced γ→ε martensitic transformation in FeMn alloys : an experimental and computational study
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Bartkowska, Aleksandra (Universitat Autònoma de Barcelona. Departament de Física) ;
Lekka, Christina (University of Ioannina. Department of Materials Science and Engineering) ;
Ludovico, Andrea Alberta (Leibniz-Institut für Festkörper- und Werkstoffforschung) ;
Spasojevic, Irena (Universitat Autònoma de Barcelona. Departament de Física) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Porous FeMn alloys with additions of 0, 1, 3 and 5 wt. % of Ag were fabricated using powder metallurgy and sintering. The microstructure of the fabricated alloys was characterized using X-ray diffraction, transmission electron microscopy and selected area electron diffraction. [...]
2023 -  10.1016/j.jallcom.2023.171640
Journal of alloys and compounds, Vol. 966 (Dec. 2023) , art. 171640
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2023-02-22
16:49 |
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Fabrication of hybrid nanocrystalline Al-Ti alloys by mechanical bonding through high-pressure torsion
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Bazarnik, Piotr (Warsaw University of Technology) ;
Bartkowska, Aleksandra (Universitat Autònoma de Barcelona. Departament de Física) ;
Huang, Yi (Bournemouth University. Department of Design and Engineering) ;
Szlązak, Karol (Warsaw University of Technology) ;
Adamczyk-Cieślak, Bogusława (Warsaw University of Technology) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Lewandowska, Malgorzata (Warsaw University of Technology) ;
Langdon, Terence G. (University of Southampton. Department of Mechanical Engineering)
This study demonstrates an approach of utilizing high-pressure torsion (HPT) to fabricate a novel hybrid material by the direct bonding of Al and Ti disks at room temperature under a compressive pressure of 6. [...]
2022 - 10.1016/j.msea.2021.142549
Materials science & engineering. Structural materials: properties, microstructures and processing, Vol. 833 (January 2022) art. 142549
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2023-02-22
16:39 |
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15 p, 793.3 KB |
Voltage-driven strain-mediated modulation of exchange bias in Ir20Mn80/Fe80Ga20/Ta/<011>-oriented PMN-32PT heterostructures
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Demirci, Erdem (Universitat Autònoma de Barcelona. Departament de Física) ;
de Rojas, Julius (Universitat Autònoma de Barcelona. Departament de Física) ;
Quintana Puebla, Alberto (Institut de Ciència de Materials de Barcelona) ;
Fina, Ignasi (Institut de Ciència de Materials de Barcelona) ;
Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Manipulation of exchange bias with electric field is appealing to boost energy efficiency in spintronic devices. Here, this effect is shown at room temperature in Ir20Mn80/Fe80Ga20/Ta layers grown onto ⟨011⟩-oriented PMN-32PT single crystals. [...]
2022 - 10.1063/5.0091231
Applied physics letters, Vol. 120, Issue 14 (April 2022) , art. 142406
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2023-02-16
15:22 |
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25 p, 26.4 MB |
Recent advances in catalyst materials for proton exchange membrane fuel cells
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Mølmen, Live (Jönköping University. Department of Materials and Manufacturing) ;
Eiler, Konrad (Universitat Autònoma de Barcelona. Departament de Física) ;
Fast, Lars (Research Institutes of Sweden. Department of Electrification and Reliability) ;
Leisner, Peter (Jönköping University. Department of Materials and Manufacturing) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física)
Research on fuel cell technology is constantly gaining importance, while global emission requirements are becoming more and more restrictive. For environmentally neutral proton exchange membrane fuel cells (PEMFCs) to become a competitive technology, sustainable infrastructures need to be established. [...]
2021 - 10.1063/5.0045801
APL Materials, Vol. 9, Issue 4 (April 2021) , art. 040702
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2023-02-16
14:39 |
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4 p, 3.1 MB |
Magnetoelectric materials, phenomena, and devices
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Herrera Diez, Liza (Centre National de la Recherche Scientifique. Universite Paris-Saclay. Centre de Nanosciences et de Nanotechnologies) ;
Kruk, Robert (Karlsruhe Institute of Technology. Institute of Nanotechnology) ;
Leistner, Karin (Leibniz IFW Dresden) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
2021 - 10.1063/5.0053631
APL Materials, Vol. 9, Issue 5 (May 2021) , art. 050401
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2023-02-16
14:32 |
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11 p, 2.3 MB |
Mechanical, magnetic and magnetostrictive properties of porous Fe-Ga films prepared by electrodeposition
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Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ;
Chen, Yu (Universitat Autònoma de Barcelona. Departament de Física) ;
Tsyntsaru, Natalia (Institute of Applied Physics (Republic of Moldova)) ;
Cesiulis, Henrikas (Vilnius University. Physics Department) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Magnetostriction, known as the ability of magnetic materials to expand or contract in response to magnetic field, is a key property of Fe-Ga alloys exploited in various types of transducers. Usually, thin films of Fe-Ga deposited on rigid substrates suffer from a clamping effect that hinders the propagation of strain. [...]
2021 - 10.1016/j.matdes.2021.109915
Materials & Design, Vol. 208 (October 2021) , art. 109915
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2023-02-16
14:24 |
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12 p, 7.5 MB |
Exploiting random phenomena in magnetic materials for data security, logics, and neuromorphic computing : Challenges and prospects
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Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Random phenomena are ubiquitous in magnetism. They include, for example: the random orientation of magnetization in an assembly of non-interacting isotropic magnets; arbitrary maze domain patterns in magnetic multilayers with out-of-plane anisotropy, random polarization, and chirality of an array of magnetic vortices; or Brownian skyrmion motion, among others. [...]
2021 - 10.1063/5.0055400
APL Materials, Vol. 9, Issue 7 (July 2021) , art. 070903
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2023-02-16
14:15 |
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14 p, 7.8 MB |
Magneto-ionic suppression of magnetic vortices
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Chen, Yu (Universitat Autònoma de Barcelona. Departament de Física) ;
Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ;
Molet, Pau (Institut de Ciència de Materials de Barcelona) ;
Mihi, Agustín (Institut de Ciència de Materials de Barcelona) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Magneto-ionics refers to the non-volatile control of the magnetic properties of materials by voltage-driven ion migration. This phenomenon constitutes one of the most important magnetoelectric mechanisms and, so far, it has been employed to modify the magnetic easy axis of thin films, their coercivity or their net magnetization. [...]
2021 - 10.1080/14686996.2021.1988830
Science and Technology of Advanced Materials, Vol. 22, Issue 1 (2021) , p. 972-984
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2023-02-14
16:50 |
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7 p, 3.6 MB |
Material challenges for nonvolatile memory
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Prasad, Bhagwati (Indian Institute of Science. Materials Engineering Department) ;
Parkin, Stuart (Max Planck Institute of Microstructure Physics) ;
Prodromakis, Themis (University of Edinburgh. Centre for Electronics Frontiers) ;
Eom, Chang-Beom (University of Wisconsin-Madison. Department of Materials Science and Engineering) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Driscoll, Judith (University of Cambridge. Department of Materials Science and Metallurgy)
2022 - 10.1063/5.0111671
APL Materials, Vol. 10, Issue 9 (September 2022) , art. 090401
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2023-02-14
16:42 |
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10 p, 7.3 MB |
PS-b-P4VP block copolymer micelles as a soft template to grow openly porous nickel films for alkaline hydrogen evolution
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Fagotto Clavijo, Roberto (Universitat Autònoma de Barcelona. Departament de Física) ;
Riba-Moliner, Marta (Institut de Ciència de Materials de Barcelona) ;
González-Campo, Arántzazu (Institut de Ciència de Materials de Barcelona) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Eiler, Konrad (Universitat Autònoma de Barcelona. Departament de Física)
Highly porous Ni films have been potentiostatically synthesised by micelle-assisted electrodeposition using custom-made PS-b-P4VP block copolymer micelles as a soft template. Two PS-b-P4VP block copolymers with PS/P4VP block ratios of 1:1 and 1:4 were used for the micelle-assisted electrodeposition, resulting in Ni films with large pores of diameters varying from 25 to 600 nm (1:1), and from 10 to 230 nm (1:4). [...]
2023 - 10.1016/j.cattod.2022.09.022
Catalysis Today, Issue 423 (2023) , 113916
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