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1.
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6 p, 2.3 MB |
Zero-field routing of spin waves in a multiferroic heterostructure
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Zhu, Weijia (Aalto University School of Science. Department of Applied Physics) ;
Qin, Huajun (Aalto University School of Science. Department of Applied Physics) ;
Flajšman, Lukáš (Aalto University School of Science. Department of Applied Physics) ;
Taniyama, Tomoyasu (Nagoya University. Department of Physics) ;
Van Dijken, Sebastiaan (Aalto University School of Science. Department of Applied Physics)
We report zero-field routing of spin waves in a multiferroic heterostructure comprising a ferromagnetic Fe film and a ferroelectric BaTiO3 substrate with fully correlated strain-coupled domains. In the Fe film, a regular alternation of magnetic anisotropy produces a back-and-forth rotation of uniform magnetization in zero magnetic field. [...]
2022 -  10.1063/5.0086430
Applied physics letters, Vol. 120, Issue 11 (March 2022) , art. 112407
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2.
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24 p, 1.1 MB |
High magnetic coercivity in nanostructured Mn3O4 thin films obtained by chemical vapor deposition
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Bigiani, Lorenzo (Università degli studi di Padova. Dipartimento di Scienze Chimiche) ;
Hassan, Mariam (Università Politecnica delle Marche. Dipartimento di Scienze della Materia e Ingegneria, Ambiente e Urbanistica) ;
Peddis, Davide (Consiglio nazionale delle ricerche. Istituto di Struttura della Materia) ;
Maccato, Chiara (Università degli studi di Padova. Dipartimento di Scienze Chimiche) ;
Varvaro, Gaspare (Consiglio nazionale delle ricerche. Istituto di Struttura della Materia) ;
Sada, Cinzia (Università degli studi di Padova. Dipartimento di Fisica e Astronomia) ;
Bontempi, Elza (Università degli Studi di Brescia. Dipartimento di Ingegneria Meccanica e Industriale) ;
Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Barreca, Davide (Università degli studi di Padova. Dipartimento di Scienze Chimiche)
Nanostructured α-MnO (haussmannite) thin films consisting of evenly interconnected nanoaggregates were prepared on Si(100) substrates by chemical vapor deposition from a Mn(II) diketonate-diamine precursor under different reaction atmospheres (dry vs wet O) and total operating pressures. [...]
2019 - 10.1021/acsanm.9b00141
ACS applied nano materials, Vol. 2, issue 3 (March 2019) , p. 1704-1712
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3.
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14 p, 6.1 MB |
Lightweight macroporous Co-Pt electrodeposited films with semi-hard-magnetic properties
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Navarro Senent, Cristina (Universitat Autònoma de Barcelona. Departament de Física) ;
Eiler, Konrad (Universitat Autònoma de Barcelona. Departament de Física) ;
Pané, Salvador (ETH Zurich. Swiss Federal Institute of Technology. Institute of Robotics and Intelligent Systems) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física)
Macroporous, partially L10-ordered Co-Pt films with nearly equiatomic composition were successfully synthesized by electrodeposition from an aqueous sulfate-chloride electrolyte on colloidal crystal-templated substrates, followed by annealing in vacuum. [...]
2022 - 10.1016/j.matdes.2021.110369
Materials & Design, Vol. 213 (January 2022) , art. 110369
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4.
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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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5.
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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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6.
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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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7.
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11 p, 11.4 MB |
A comparative study of the influence of the deposition technique (electrodeposition versus sputtering) on the properties of nanostructured Fe70 Pd30 films
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Cialone, Matteo (Istituto Nazionale di Ricerca Metrologica) ;
Fernandez-Barcia, Monica (IFW Dresden. Institute for Complex Materials) ;
Celegato, Federica (Istituto Nazionale di Ricerca Metrologica) ;
Coisson, Marco (Istituto Nazionale di Ricerca Metrologica) ;
Barrera, Gabriele (Istituto Nazionale di Ricerca Metrologica) ;
Uhlemann, Margitta (IFW Dresden. Institute for Complex Materials) ;
Gebert, Annett (IFW Dresden. Institute for Complex Materials) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ;
Rizzi, Paola (Università di Torino. Dipartimento di Chimica) ;
Tiberto, Paola (Istituto Nazionale di Ricerca Metrologica)
Sputtering and electrodeposition are among the most widespread techniques for metallic thin film deposition. Since these techniques operate under different principles, the resulting films typically show different microstructures even when the chemical composition is kept fixed. [...]
2020 - 10.1080/14686996.2020.1780097
Science and Technology of Advanced Materials, Vol. 21, Issue 1 (July 2020) , p. 424-434
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8.
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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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9.
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15 p, 1.1 MB |
Structural and magnetic properties of FexCu1-x sputtered thin films electrochemically treated to create nanoporosity for high-surface-area magnetic components
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Robbennolt, Shauna (Universitat Autònoma de Barcelona. Departament de Física) ;
Fornell Beringues, Jordina (Universitat Autònoma de Barcelona. Departament de Física) ;
Quintana Puebla, Alberto (Universitat Autònoma de Barcelona. Departament de Física) ;
Zhang, Huiyan (Universitat Autònoma de Barcelona. Departament de Física) ;
Menéndez Dalmau, Enric (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)
Sputter deposition is a facile and widely used technique for fabricating thin-film materials. Electrochemical dealloying, on the other hand, is a promising method for creating nanoporosity, and therefore increasing surface area, in metallic materials. [...]
2018 - 10.1021/acsanm.8b00143
ACS applied nano materials, Vol. 1, Issue 4 (April 2018) , p. 1675-1682
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10.
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7 p, 3.1 MB |
Nonstoichiometry driven ferromagnetism in double perovskite La2Ni1-xMn1+ xO6 insulating thin films
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Bernal Salamanca, Mónica Emperatriz (Institut de Ciència de Materials de Barcelona) ;
Konstantinovic, Zorica (University of Belgrade. Center for Solid State Physics and New Materials) ;
Balcells Argemí, Lluís (Institut de Ciència de Materials de Barcelona) ;
Pannunzio-Miner, Elisa (Institut de Ciència de Materials de Barcelona) ;
Sandiumenge Ortiz, Felip (Institut de Ciència de Materials de Barcelona) ;
Lopez-Mir, Laura (Institut de Ciència de Materials de Barcelona) ;
Bozzo, Bernat (Institut de Ciència de Materials de Barcelona) ;
Herrero-Martín, Javier (ALBA Laboratori de Llum de Sincrotró) ;
Pomar, Alberto (Institut de Ciència de Materials de Barcelona) ;
Frontera, Carlos (Institut de Ciència de Materials de Barcelona) ;
Martínez, Benjamín (Institut de Ciència de Materials de Barcelona)
In this work we report on the epitaxial growth of LaNiMnO double perovskite thin films on top of (001) oriented SrTiO substrates by RF magnetron sputtering. The influence of oxygen pressure (P O) and growth temperature on the microstructure, stoichiometry of the films, and magnetic and transport properties is thoroughly investigated. [...]
2019 - 10.1021/acs.cgd.8b01897
Crystal Growth and Design, Vol. 19, issue 5 (May 2019) , p. 2765-2771
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