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1.
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10 p, 2.4 MB |
Wireless magneto-ionics : voltage control of magnetism by bipolar electrochemistry
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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.
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11 p, 3.6 MB |
The magnetopyroelectric effect : heat-mediated magnetoelectricity in magnetic nanoparticle-ferroelectric polymer composites
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Llacer-Wintle, Joaquin (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Renz, Jan (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Hertle, Lukas (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Veciana, Andrea (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
von Arx, Denis (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Wu, Jiang (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Bruna, Pere (Universitat Politècnica de Catalunya. Departament de Física) ;
Vukomanovic, Marija (Jožef Stefan Institute. Advanced Materials Department) ;
Puigmarti-Luis, Josep (Institut de Química Teòrica i Computacional. Departament de Ciència dels Materials i Química Física) ;
Nelson, Bradley J. (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Chen, Xiang-Zhong (ETH Zürich. Institute of Robotics and Intelligent Systems) ;
Pané i Vidal, Salvador (ETH Zürich. Institute of Robotics and Intelligent Systems)
Magnetoelectricity enables a solid-state material to generate electricity under magnetic fields. Most magnetoelectric composites are developed through a strain-mediated route by coupling piezoelectric and magnetostrictive phases. [...]
2023 - 10.1039/d2mh01361d
Materials Horizons, Vol. 10, Issue 7 (April 2023) , p. 2627-2637
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3.
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23 p, 3.5 MB |
Cu2ZnSnS4-PtM (M = Co, Ni) nanoheterostructures for photocatalytic hydrogen evolution
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Yu, Xuelian (Institut de Recerca en Energia de Catalunya) ;
An, Xiaoqiang (Chinese Academy of Sciences. Key Laboratory of Drinking Water Science and Technology) ;
Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ;
Ibáñez, Maria (Institut de Recerca en Energia de Catalunya) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Zhang, Yie (Chinese Academy of Sciences. Key Laboratory of Drinking Water Science and Technology) ;
Cabot, Andreu (Institució Catalana de Recerca i Estudis Avançats)
We report the synthesis and photocatalytic and magnetic characterization of colloidal nanoheterostructures formed by combining a Pt-based magnetic metal alloy (PtCo, PtNi) with CuZnSnS (CZTS). While CZTS is one of the main candidate materials for solar energy conversion, the introduction of a Pt-based alloy on its surface strongly influences its chemical and electronic properties, ultimately determining its functionality. [...]
2015 - 10.1021/acs.jpcc.5b06199
Journal of physical chemistry. C, Vol. 119, issue 38 (Sep. 2015) , p. 21882-21888
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4.
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41 p, 1.9 MB |
Van der Waals heterostructures for spintronics and opto-spintronics
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Sierra, Juan F. (Institut Català de Nanociència i Nanotecnologia) ;
Fabian, Jaroslav (University of Regensburg. Institute for Theoretical Physics) ;
Kawakami, Roland (Ohio State University. Department of Physics) ;
Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ;
Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia)
The large variety of 2D materials and their co-integration in van der Waals heterostructures enable innovative device engineering. In addition, their atomically thin nature promotes the design of artificial materials by proximity effects that originate from short-range interactions. [...]
2021 - 10.1038/s41565-021-00936-x
Nature Nanotechnology, Vol. 16, issue 8 (August 2021) , p. 856-868
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5.
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9 p, 1.5 MB |
Large-area van der Waals epitaxy and magnetic characterization of Fe3GeTe2films on graphene
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Lopes, Joao Marcelo Jordao (Paul-Drude-Institut für Festkörperelektronik) ;
Czubak, Dietmar (Paul-Drude-Institut für Festkörperelektronik) ;
Zallo, Eugenio (Paul-Drude-Institut für Festkörperelektronik) ;
Figueroa García, Adriana Isabel (Institut Català de Nanociència i Nanotecnologia) ;
Guillemard, Charles (ALBA Laboratori de Llum de Sincrotró) ;
Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ;
Rubio-Zuazo, Juan (Instituto de Ciencia de Materiales de Madrid) ;
López-Sanchéz, J. (Instituto de Ciencia de Materiales de Madrid) ;
Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia) ;
Hanke, Michael (Paul-Drude-Institut für Festkörperelektronik) ;
Ramsteiner, Manfred (Paul-Drude-Institut für Festkörperelektronik)
Scalable fabrication of magnetic 2D materials and heterostructures constitutes a crucial step for scaling down current spintronic devices and the development of novel spintronic applications. Here, we report on van der Waals (vdW) epitaxy of the layered magnetic metal Fe3GeTe2 (FGT) - a 2D crystal with highly tunable properties and a high prospect for room temperature ferromagnetism (FM) - directly on graphene by employing molecular beam epitaxy. [...]
2021 - 10.1088/2053-1583/ac171d
2D Materials, Vol. 8, issue 4 (Oct. 2021) , art. 41001
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6.
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1 p, 305.8 KB |
Publisher Correction : Real space manifestations of coherent screening in atomic scale Kondo lattices
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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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7.
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8 p, 2.9 MB |
Tuning the Néel temperature in an antiferromagnet : the case of NiCoO microstructures
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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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8.
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13 p, 3.0 MB |
Strontium hexaferrite platelets : a comprehensive soft X-ray absorption and Mössbauer spectroscopy study
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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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9.
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5 p, 697.8 KB |
Combined nanoscale KPFM characterization and device simulation for the evaluation of the MOSFET variability related to metal gate workfunction fluctuations
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Ruiz, Ana (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Seoane, Natalia (Universidade de Santiago de Compostela. Citius) ;
Claramunt, Sergi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Garcia-Loureiro, Antonio (Universidade de Santiago de Compostela. Citius) ;
Porti i Pujal, Marc (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Nafría i Maqueda, Montserrat (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
In this work, a more realistic approximation based on 2D nanoscale experimental data obtained on a metal layer is presented to investigate the impact of the metal gate polycrystallinity on the MOSFET variability. [...]
2019 - 10.1016/j.mee.2019.111048
Microelectronic engineering, Vol. 216 (Aug. 2019) , art. 111048
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10.
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5 p, 661.5 KB |
Exploiting the KPFM capabilities to analyze at the nanoscale the impact of electrical stresses on OTFTs properties
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Ruiz, Ana (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Claramunt, Sergi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Crespo Yepes, Albert (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Porti i Pujal, Marc (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Nafría i Maqueda, Montserrat (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Xu, H. (Sun Yat-Sen University) ;
Liu, C. (Sun Yat-Sen University) ;
Wu, Q. (Sun Yat-Sen University)
Two different Kelvin Probe Force Microscopy (KPFM) measurement configurations have been combined to evaluate at the nanoscale the effects of an electrical stress on Organic Thin Film Transistors (OTFTs) properties. [...]
2021 - 10.1016/j.sse.2021.108061
Solid-state electronics, Vol. 186 (Dec. 2021) , art. 108061
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