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Articles, 15 records found
Articles 15 records found  1 - 10next  jump to record:
1.
10 p, 2.4 MB Wireless magneto-ionics : voltage control of magnetism by bipolar electrochemistry / Ma, Zheng (Universitat Autònoma de Barcelona. Departament de Física) ; Fuentes-Rodríguez, Laura (Institut de Ciència de Materials de Barcelona) ; Tan, Zhengwei (Universitat Autònoma de Barcelona. Departament de Física) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Abad, Llibertat (Institut de Microelectrònica de Barcelona) ; Herrero-Martín, Javier (ALBA Laboratori de Llum de Sincrotró) ; Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Casañ Pastor, Nieves (Institut de Ciència de Materials de Barcelona) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Modulation of magnetic properties through voltage-driven ion motion and redox processes, i. e. , magneto-ionics, is a unique approach to control magnetism with electric field for low-power memory and spintronic applications. [...]
2023 - 10.1038/s41467-023-42206-5
Nature communications, Vol. 14 (October 2023) , art. 6486  
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2.
1 p, 305.8 KB Publisher Correction : Real space manifestations of coherent screening in atomic scale Kondo lattices / Moro Lagares, María (Universidad de Zaragoza. Instituto de Nanociencia de Aragón. Laboratorio de Microscopias Avanzadas) ; Korytár, Richard (Charles University. Department of Condensed Matter Physics) ; Piantek, Marten (Universidad de Zaragoza. Departamento de Física de la Materia Condensada) ; Robles, Roberto (Institut Català de Nanociència i Nanotecnologia) ; Lorente, Nicolás (Universidad del País Vasco. Centro de Física de Materiales) ; Pascual, Jose I. (IKERBASQUE. Basque Foundation for Science) ; Ibarra, M. Ricardo (Universidad de Zaragoza. Departamento de Física de la Materia Condensada) ; Serrate, David (Universidad de Zaragoza. Instituto de Ciencia de Materiales de Aragón)
2021 - 10.1038/s41467-021-26341-5
Nature communications, Vol. 12 (October 2021) , art. 6082  
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3.
8 p, 2.9 MB Tuning the Néel temperature in an antiferromagnet : the case of NiCoO microstructures / Mandziak, Anna (ALBA Laboratori de Llum de Sincrotró) ; D. Soria, Guiomar (Instituto de Química Física "Rocasolano") ; Prieto, José Emilio (Instituto de Química Física "Rocasolano") ; Prieto, Pilar (Universidad Autónoma de Madrid. Departamento de Física Aplicada) ; Granados-Miralles, Cecilia (Instituto de Cerámica y Vidrio (CSIC)) ; Quesada, Adrian (Instituto de Cerámica y Vidrio (CSIC)) ; Foerster, Michael (ALBA Laboratori de Llum de Sincrotró) ; Aballe, Lucía (ALBA Laboratori de Llum de Sincrotró) ; de la Figuera, Juan (Instituto de Química Física "Rocasolano")
We show that it is possible to tune the Néel temperature of nickel(II)-cobalt(II) oxide films by changing the Ni to Co ratio. We grow single crystalline micrometric triangular islands with tens of nanometers thickness on a Ru(0001) substrate using high temperature oxygen-assisted molecular beam epitaxy. [...]
2019 - 10.1038/s41598-019-49642-8
Scientific reports, Vol. 9 (September 2019) , art. 13584  
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4.
13 p, 3.0 MB Strontium hexaferrite platelets : a comprehensive soft X-ray absorption and Mössbauer spectroscopy study / Soria, G. D. (Instituto de Química Física "Rocasolano") ; Jenus, P. (Institut "Jozef Stefan") ; Marco, J. F. (Instituto de Química Física "Rocasolano") ; Mandziak, Anna (ALBA Laboratori de Llum de Sincrotró) ; Sanchez-Arenillas, M. (Instituto de Química Física "Rocasolano") ; Moutinho, F. (Instituto de Química Física "Rocasolano") ; Prieto, J. E. (Instituto de Química Física "Rocasolano") ; Prieto, P. (Universidad Autónoma de Madrid) ; Cerdá, J. (Instituto de Ciencia de Materiales de Madrid) ; Tejera-Centeno, C. (Instituto de Ciencia de Materiales de Madrid) ; Gallego, Soledad (Instituto de Ciencia de Materiales de Madrid) ; Foerster, Michael (ALBA Laboratori de Llum de Sincrotró) ; Aballe, Lucía (ALBA Laboratori de Llum de Sincrotró) ; Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ; Vasili, Hari Babu (ALBA Laboratori de Llum de Sincrotró) ; Pereiro, Eva (ALBA Laboratori de Llum de Sincrotró) ; Quesada, Adrian (Instituto de Cerámica y Vidrio (CSIC)) ; de la Figuera, Juan (Instituto de Química Física "Rocasolano")
Platelets of strontium hexaferrite (SrFeO, SFO), up to several micrometers in width, and tens of nanometers thick have been synthesized by a hydrothermal method. They have been studied by a combination of structural and magnetic techniques, with emphasis on Mössbauer spectroscopy and X-ray absorption based-measurements including spectroscopy and microscopy on the iron-L edges and the oxygen-K edge, allowing us to establish the differences and similarities between our synthesized nanostructures and commercial powders. [...]
2019 - 10.1038/s41598-019-48010-w
Scientific reports, Vol. 9 (August 2019) , art. 11777  
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5.
11 p, 3.7 MB Localized electronic vacancy level and its effect on the properties of doped manganites / Juan, Dilson (Institut Català de Nanociència i Nanotecnologia) ; Pruneda, Miguel (Institut Català de Nanociència i Nanotecnologia) ; Ferrari, Valeria Paola (Instituto Jorge A. Sabato)
Oxygen vacancies are common to most metal oxides and usually play a crucial role in determining the properties of the host material. In this work, we perform ab initio calculations to study the influence of vacancies in doped manganites La Sr MnO , varying both the vacancy concentration and the chemical composition within the ferromagnetic-metallic range (0. [...]
2021 - 10.1038/s41598-021-85945-5
Scientific reports, Vol. 11 (2021) , art. 6706  
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6.
14 p, 5.1 MB Reversible, electric-field induced magneto-tonic control of magnetism in mesoporous cobalt ferrite thin films / Robbennolt, Shauna (Universitat Autònoma de Barcelona. Departament de Física) ; Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Quintana Puebla, Alberto (Universitat Autònoma de Barcelona. Departament de Física) ; Gómez, Andrés (Institut de Ciència de Materials de Barcelona) ; Auffret, Stéphane (Centre National de la Recherche Scientifique (França)) ; Baltz, Vincent (Centre National de la Recherche Scientifique (França)) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
The magnetic properties of mesoporous cobalt ferrite films can be largely tuned by the application of an electric field using a liquid dielectric electrolyte. By applying a negative voltage, the cobalt ferrite becomes reduced, leading to an increase in saturation magnetization of 15% (M) and reduction in coercivity (H) between 5-28%, depending on the voltage applied (−10 V to −50 V). [...]
2019 - 10.1038/s41598-019-46618-6
Scientific reports, Vol. 9 (July 2019) , art. 10804  
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7.
9 p, 2.3 MB Real space manifestations of coherent screening in atomic scale Kondo lattices / Moro Lagares, María (Universidad de Zaragoza. Instituto de Nanociencia de Aragón. Laboratorio de Microscopias Avanzadas) ; Korytár, Richard (Charles University. Department of Condensed Matter Physics) ; Piantek, Marten (Universidad de Zaragoza. Departamento de Física de la Materia Condensada) ; Robles, Roberto (Institut Català de Nanociència i Nanotecnologia) ; Lorente, Nicolás (Universidad del País Vasco. Centro de Física de Materiales) ; Pascual, Jose I. (IKERBASQUE. Basque Foundation for Science) ; Ibarra, M. Ricardo (Universidad de Zaragoza. Departamento de Física de la Materia Condensada) ; Serrate, David (Universidad de Zaragoza. Instituto de Ciencia de Materiales de Aragón)
The interaction among magnetic moments screened by conduction electrons drives quantum phase transitions between magnetically ordered and heavy-fermion ground states. Here, starting from isolated magnetic impurities in the Kondo regime, we investigate the formation of the finite size analogue of a heavy Fermi liquid. [...]
2019 - 10.1038/s41467-019-10103-5
Nature communications, Vol. 10 (May 2019) , art. 2211  
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8.
7 p, 628.4 KB Determination of the spin-lifetime anisotropy in graphene using oblique spin precession / Raes, Bart (Institut Català de Nanociència i Nanotecnologia) ; Scheerder, Jeroen E. (KU Leuven. Department of Physics and Astronomy) ; Costache, Marius Vasile. (Institut Català de Nanociència i Nanotecnologia) ; Bonell, Frédéric (Institut Català de Nanociència i Nanotecnologia) ; Sierra, Juan F. (Institut Català de Nanociència i Nanotecnologia) ; Cuppens, Jo (Institut Català de Nanociència i Nanotecnologia) ; Van De Vondel, Joris (KU Leuven. Department of Physics and Astronomy) ; Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia)
We determine the spin-lifetime anisotropy of spin-polarized carriers in graphene. In contrast to prior approaches, our method does not require large out-of-plane magnetic fields and thus it is reliable for both low-and high-carrier densities. [...]
2016 - 10.1038/ncomms11444
Nature communications, Vol. 7 (May 2016) , art. 11444  
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9.
13 p, 3.3 MB A multiscale model of the effect of Ir thickness on the static and dynamic properties of Fe/Ir/Fe films / Cuadrado, Ramón (Institut Català de Nanociència i Nanotecnologia) ; Oroszlány, László (Eötvös University. Department of Physics of Complex Systems) ; Szunyogh, László (Budapest University of Technology and Economics. MTA-BME Condensed Matter Research Group.) ; Hrkac, Gino (The University of Exeter. College of Engineering, Mathematics and Physical Sciences) ; Chantrell, Roy W. (University of York. Department of Physics) ; Ostler, ThomasA. (Université de Liège. Départment de Physique)
The complex magnetic properties of Fe/Ir/Fe sandwiches are studied using a hierarchical multi-scale model. The approach uses first principles calculations and thermodynamic models to reveal the equilibrium spinwave, magnetization and dynamic demagnetisation properties. [...]
2018 - 10.1038/s41598-018-21934-5
Scientific reports, Vol. 8 ( 2018) , art. 3879  
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10.
7 p, 1.8 MB Longitudinal domain wall formation in elongated assemblies of ferromagnetic nanoparticles / Varón Izquierdo, Miriam (Institut Català de Nanociència i Nanotecnologia) ; Beleggia, Marco (Danmarks tekniske universitet. Center for Elektronnanoskopi) ; Jordanovic, Jelena (Technical University of Denmark, Institut fur Fysik) ; Schiøtz, Jakob (Technical University of Denmark, Institut fur Fysik) ; Kasama, Takeshi (Danmarks tekniske universitet. Center for Elektronnanoskopi) ; Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia) ; Frandsen, Cathrine (Technical University of Denmark, Institut fur Fysik)
Through evaporation of dense colloids of ferromagnetic ∼13nm Ɛ-Co particles onto carbon substrates, anisotropic magnetic dipolar interactions can support formation of elongated particle structures with aggregate thicknesses of 100-400â €‰nm and lengths of up to some hundred microns. [...]
2015 - 10.1038/srep14536
Scientific reports, Vol. 5 (2015) , art. 14536  
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