Results overview: Found 13 records in 0.02 seconds.
Articles, 13 records found
Articles 13 records found  1 - 10next  jump to record:
1.
11 p, 7.4 MB Highly cyclable voltage control of magnetism in cobalt ferrite nanopillars for memory and neuromorphic applications / de h-Óra, Muireann (University of Cambridge) ; Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ; Monalisha, P. (Universitat Autònoma de Barcelona. Departament de Física) ; Maity, Tuhin (Indian Institute of Science Education and Research Thiruvananthapuram) ; Zhu, Bonan (University College London) ; Lee, Shinbuhm (University of Cambridge. Daegu Gyeongbuk Institute of Science and Technology) ; Sun, Zhuotong (University of Cambridge) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Driscoll, Judith (University of Cambridge) ;
Tuning the properties of magnetic materials by voltage-driven ion migration (magneto-ionics) gives potential for energy-efficient, non-volatile magnetic memory and neuromorphic computing. Here, we report large changes in the magnetic moment at saturation (mS) and coercivity (HC), of 34% and 78%, respectively, in an array of CoFe2O4 (CFO) epitaxial nanopillar electrodes (∼50 nm diameter, ∼70 nm pitch, and 90 nm in height) with an applied voltage of −10 V in a liquid electrolyte cell. [...]
2023 - 10.1063/5.0147665
APL materials, Vol. 11, Issue 5 (May 2023) , art. 051105  
2.
13 p, 9.7 MB Enhanced Proliferation and Differentiation of Human Osteoblasts by Remotely Controlled Magnetic-Field-Induced Electric Stimulation Using Flexible Substrates / Careta, Oriol (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ; Perdikos, Filippos (Institut Català de Nanociència i Nanotecnologia) ; Blanquer Jerez, Andreu (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Ibañez, Elena (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Stefani, Christina (Universitat Autònoma de Barcelona. Departament de Física) ; Sepúlveda, Borja (Instituto de Microelectrónica de Barcelona) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Nogués, C. (Carme) (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia)
With the progressive aging of the population, bone fractures are an increasing major health concern. Diverse strategies are being studied to reduce the recovery times using nonaggressive treatments. [...]
2023 - 10.1021/acsami.3c09428
ACS applied materials & interfaces, Vol. 15, Issue 50 (December 2023) , p. 58054-58066  
3.
14 p, 13.9 MB Accelerated biodegradation of FeMn porous alloy coated with ZnO : Effect on cytocompatibility and antibiofilm properties / Bartkowska, Aleksandra (Universitat Autònoma de Barcelona. Departament de Física) ; Turner, Adam Benedict (University of Gothenburg. Department of Biomaterials) ; Blanquer Jerez, Andreu (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Nicolenco, Aliona (Cidetec Surface Engineering) ; Trobos, Margarita (University of Gothenburg. Department of Biomaterials) ; Nogués, C. (Carme) (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Fe-based alloys are being studied as potential candidates for biodegradable implants; however, their degradation rates remain too slow. To accelerate biodegradation while simultaneously hindering biofilm formation, a ZnO coating was deposited onto porous equiatomic FeMn alloy discs by sol-gel method using dip coating. [...]
2023 - 10.1016/j.surfcoat.2023.129886
Surface and coatings technology, Vol. 471 (October 2023) , art. 129886  
4.
11 p, 2.3 MB Mechanical, magnetic and magnetostrictive properties of porous Fe-Ga films prepared by electrodeposition / 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  
5.
14 p, 7.8 MB Magneto-ionic suppression of magnetic vortices / 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  
6.
24 p, 1.1 MB Strain-gradient effects in nanoscale-engineered magnetoelectric materials / Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ; de h-Óra, Muireann (University of Cambridge. Department of Materials Science and Metallurgy) ; Driscoll, Judith (University of Cambridge. Department of Materials Science and Metallurgy) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Understanding strain gradient phenomena is of paramount importance in diverse areas of condensed matter physics. This effect is responsible for flexoelectricity in dielectric materials, and it plays a crucial role in the mechanical behavior of nanoscale-sized specimens. [...]
2021 - 10.1063/5.0037421
APL materials, Vol 9 (2021) , art. 020903
2 documents
7.
9 p, 1.2 MB Magneto-ionic control of magnetism in two-oxide nanocomposite thin films comprising mesoporous cobalt ferrite conformally nanocoated with HfO2 / Robbennolt, Shauna (Universitat Autònoma de Barcelona. Departament de Física) ; Yu, Pengmei (Institut de Ciència de Materials de Barcelona) ; Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ; Mercier Fernández, Pau (Universitat Autònoma de Barcelona. Departament de Física) ; Coll, Mariona (Institut de Ciència de Materials de Barcelona) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Advances in nanotechnology require of robust methods to fabricate new types of nanostructured materials whose properties can be controlled at will using simple procedures. Nanoscale composites can benefit from actuation protocols that involve mutual interfacial interactions on the nanoscale. [...]
2020 - 10.1039/C9NR10868H
Nanoscale, Vol. 12, Issue 10 (March 2020) , p. 5987-5994  
8.
8 p, 1.7 MB Voltage-driven motion of nitrogen ions : a new paradigm for magneto-ionics / de Rojas, Julius (Universitat Autònoma de Barcelona. Departament de Física) ; Quintana Puebla, Alberto (Georgetown University. Department of Physics (USA)) ; Lopeandía Fernández, Aitor (Universitat Autònoma de Barcelona. Departament de Física) ; Salguero, Joaquín (Instituto de Micro y Nanotecnología) ; Muñiz, Beatriz (Instituto de Micro y Nanotecnología) ; Ibrahim, Fatima (Centre National de la Recherche Scientifique (França)) ; Chshiev, Mairbek (Centre National de la Recherche Scientifique (França)) ; Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ; Liedke, Maciej O. (Helmholtz-Zentrum Dresden-Rossendorf. Institute of Radiation Physics (Germany)) ; Butterling, Maik (Helmholtz-Zentrum Dresden-Rossendorf. Institute of Radiation Physics (Germany)) ; Wagner, Andreas (Helmholtz-Zentrum Dresden-Rossendorf. Institute of Radiation Physics (Germany)) ; Sireus, Veronica (Universitat Autònoma de Barcelona. Departament de Física) ; Abad, Llibertat (Institut de Microelectrònica de Barcelona) ; Jensen, Christopher J. (Georgetown University. Department of Physics (USA)) ; Liu, Kai (Georgetown University. Department of Physics (USA)) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Costa-Krämer, José L. (Instituto de Micro y Nanotecnología) ; Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Magneto-ionics, understood as voltage-driven ion transport in magnetic materials, has largely relied on controlled migration of oxygen ions. Here, we demonstrate room-temperature voltage-driven nitrogen transport (i. [...]
2020 - 10.1038/s41467-020-19758-x
Nature communications, Vol. 11 (November 2020) , art. 5871  
9.
8 p, 1.6 MB Strain gradient mediated magnetoelectricity in Fe-Ga/P(VDF-TrFE) multiferroic bilayers integrated on silicon / Nicolenco, Aliona (Universitat Autònoma de Barcelona. Departament de Física) ; Gómez, Andrés (Institut de Ciència de Materials de Barcelona) ; Chen, Xiangzhong (Zurich Federal Polytechnic School. Institute of Robotics & Intelligent Systems (Switzerland)) ; Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Fornell, Jordina (Universitat Autònoma de Barcelona. Departament de Física) ; Pané i Vidal, Salvador (Zurich Federal Polytechnic School. Institute of Robotics & Intelligent Systems (Switzerland)) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
The primary advantage of magnetoelectric heterostructures exhibiting direct magnetoelectric effect is the possibility to induce and modulate the electrical response of the ferroelectric phase directly with an external magnetic field (i. [...]
2020 - 10.1016/j.apmt.2020.100579
Applied materials today, Vol. 19 (June 2020) , art. 100579  
10.
15 p, 5.8 MB Nanocrystalline electrodeposited Fe-W/Al2O3 Composites : effect of Alumina Sub-microparticles on the mechanical, tribological, and corrosion properties / Nicolenco, Aliona (Institute of Applied Physics (Moldova)) ; Mulone, Antonio (Chalmers University of Technology. Department of Industrial and Materials Science (Sweden)) ; Imaz, Naroa (CIDETEC) ; Tsyntsaru, Natalia (Vilnius University. Department of Physical Chemistry (Lithuania)) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Pellicer Vilà, Eva Maria (Institució Catalana de Recerca i Estudis Avançats) ; Klement, Uta (Chalmers University of Technology. Department of Industrial and Materials Science (Sweden)) ; Cesiulis, Henrikas (Vilnius University. Department of Physical Chemistry (Lithuania)) ; García-Lecina, Eva (CIDETEC)
In this study, nanocrystalline Fe-W alloy and Fe-W/Al2O3 composite coatings with various contents of sub-microsized alumina particles have been obtained by electrodeposition from an environmentally friendly Fe(III)-based electrolyte with the aim to produce a novel corrosion and wear resistant material. [...]
2019 - 10.3389/fchem.2019.00241
Frontiers in chemistry, Vol. 7 (April 2019) , art. 241  

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