1.
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35 p, 1.4 MB |
Degradation and regeneration mechanisms of NiO protective layers deposited by ALD on photoanodes
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Ros, Carles (Institut de Recerca en Energia de Catalunya) ;
Andreu, Teresa (Institut de Recerca en Energia de Catalunya) ;
David, Jeremy (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya)
The use of high pH electrolytes requires protective layers to avoid corrosion in photoanodes based on semiconductors like silicon. NiO is one of the materials that comply with the requirements for transparency, conductivity, chemical stability and catalysis on the surface in contact with the electrolyte. [...]
2019 - 10.1039/c9ta08638b
Journal of materials chemistry, Vol. 7, Issue 38 (October 2019) , p. 21892-21902
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2.
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43 p, 1.6 MB |
Insight into the Degradation Mechanisms of Atomic Layer Deposited TiO2 as Photoanode Protective Layer
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Ros, Carles (Institut de Recerca en Energia de Catalunya) ;
Carretero González, Nina Magali (Institut de Recerca en Energia de Catalunya) ;
David, Jeremy (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Andreu, Teresa (Institut de Recerca en Energia de Catalunya) ;
Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya)
Around 100 nm thick TiO layers deposited by atomic layer deposition (ALD) have been investigated as anticorrosion protective films for silicon-based photoanodes decorated with 5 nm NiFe catalyst in highly alkaline electrolyte. [...]
2019 - 10.1021/acsami.9b05724
ACS applied materials & interfaces, Vol. 11, Issue 33 (August 2019) , p. 29725-29735
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3.
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8 p, 5.7 MB |
A new reversal mode in exchange coupled antiferromagnetic/ferromagnetic disks : Distorted viscous vortex
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Gilbert, Dustin A. (University of California. Physics Department) ;
Ye, Li (University of California. Physics Department) ;
Varea Espelt, Aïda (Universitat de Barcelona) ;
Agramunt Puig, Sebastià (Universitat Autònoma de Barcelona. Departament de Física) ;
Valle Benedí, Nuria del (Universitat Autònoma de Barcelona. Departament de Física) ;
Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ;
López-Barbera, José Francisco (Universitat Autònoma de Barcelona. Departament de Física) ;
Buchanan, K.S. (Colorado State University. Department of Physics) ;
Hoffmann, Axel (Argonne National Laboratory) ;
Sánchez Moreno, Àlvar (Universitat Autònoma de Barcelona. Departament de Física) ;
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Liu, Kai (University of California. Physics Department) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia)
Magnetic vortices have generated intense interest in recent years due to their unique reversal mechanisms, fascinating topological properties, and exciting potential applications. In addition, the exchange coupling of magnetic vortices to antiferromagnets has also been shown to lead to a range of novel phenomena and functionalities. [...]
2015 - 10.1039/c5nr01856k
Nanoscale, Vol. 7, Issue 21 (June 2015) , p. 9878-9885
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4.
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9 p, 1.2 MB |
Magnetic vortex evolution in self-assembled La₀.₇Sr₀.₃MnO₃ nanoislands under in-plane magnetic field
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Zabaleta Llorens, Jone (Institut de Ciència de Materials de Barcelona) ;
Jaafar, Míriam (Instituto de Ciencia de Materiales de Madrid) ;
Asenjo, Agustina (Instituto de Ciencia de Materiales de Madrid) ;
Agramunt Puig, Sebastià (Universitat Autònoma Barcelona. Grup de nanoenginyeria de materials, nanomagnetisme i nanomecànica) ;
Valle Benedí, Nuria del (Universitat Autònoma de Barcelona. Departament de Física) ;
Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ;
Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física) ;
Puig i Molina, Mª Teresa (Institut de Ciència de Materials de Barcelona) ;
Obradors, Xavier (Institut de Ciència de Materials de Barcelona) ;
Mestres i Andreu, Narcís (Institut de Ciència de Materials de Barcelona)
The magnetic vortex formation at room temperature and its evolution under in-plane magnetic field is studied in chemically grown self-assembled La₀. ₇Sr₀. ₃MnO₃ nanoislands of less than 200 nm in width. [...]
2014 - 10.1063/1.4891277
APL Materials, Vol. 2, issue 7 (July 2014) , art. 076111
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5.
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8 p, 469.0 KB |
Transport critical-current density of superconducting films with hysteretic ferromagnetic dots
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Valle Benedí, Nuria del (Universitat Autònoma de Barcelona. Departament de Física) ;
Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ;
Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física) ;
Dinner, Rafael B. (University of Cambridge. Department of Materials Science and Metallurgy)
Superconductor-ferromagnet hybrids present a rich and complex phenomenology. Particularly, a hysteretic behavior on the transport critical-current density, as a function of a uniform perpendicular applied field, has been experimentally found in superconducting films with some embedded ferromagnets. [...]
2012 - 10.1063/1.4732314
AIP advances, Vol. 2, Núm. 2 (June 2012) , art. 22166
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6.
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9 p, 718.2 KB |
A quasistatic magnetic cloak
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Souc, Ján (Slovak Academy of Sciences. Institute of Electrical Engineering) ;
Solovyov, Mykola (Slovak Academy of Sciences. Institute of Electrical Engineering) ;
Gömöry, Fedor (Slovak Academy of Sciences. Institute of Electrical Engineering) ;
Prat Camps, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ;
Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física)
Cloaking a three-dimensional object in free space from electromagnetic waves has recently become a theoretical possibility, although practical implementations can only be made in reduced schemes. If static fields are involved, requirements are less restrictive and some practical realizations have been possible. [...]
2013 - 10.1088/1367-2630/15/5/053019
New journal of physics, Vol. 15 (May 2013) , art. 053019
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7.
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7 p, 1.1 MB |
Geometrically controlled ratchet effect with collective vortex motion
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Rouco Gómez, Víctor (Institut de Ciència de Materials de Barcelona) ;
Palau Masoliver, Anna (Institut de Ciència de Materials de Barcelona) ;
Monton, Carlos (University of California) ;
Valle Benedí, Nuria del (Universitat Autònoma de Barcelona. Departament de Física) ;
Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ;
Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física) ;
Obradors, Xavier (Institut de Ciència de Materials de Barcelona) ;
Puig i Molina, Mª Teresa (Institut de Ciència de Materials de Barcelona)
Rectified flux motion arising from the collective effect of many interacting vortices is obtained in a specially designed superconducting device. Ratchet structures with different asymmetric pinning potentials are generated by tuning the size, depth, and distribution of triangular blind-antidots in a high-temperature superconducting film. [...]
2015 - 10.1088/1367-2630/17/7/073022
New journal of physics, Vol. 17 (July 2015) , art. 73022
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8.
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9.
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13 p, 2.5 MB |
Enhanced photoelectrochemical water splitting of hematite multilayer nanowire photoanodes by tuning the surface state via bottom-up interfacial engineering
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Tang, PengYi (Institut Català de Nanociència i Nanotecnologia) ;
Xie, HaiBing (Institut de Recerca en Energia de Catalunya) ;
Ros, Carles (Institut de Recerca en Energia de Catalunya) ;
Han, Lijuan (Institut Català d'Investigació Química) ;
Biset-Peiró, Martí (Institut de Recerca en Energia de Catalunya) ;
He, YongMin (Lanzhou University. School of Physical Science and Technology) ;
Kramer, W. (California Institute of Technology. Division of Chemistry and Chemical Engineering) ;
Pérez Rodríguez, Alejandro (Institut de Recerca en Energia de Catalunya) ;
Saucedo, Edgardo (Institut de Recerca en Energia de Catalunya) ;
Galán-Mascarós, José Ramón (Institut Català d'Investigació Química) ;
Andreu, Teresa (Institut de Recerca en Energia de Catalunya) ;
Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia)
The optimization of multiple interfaces in hematite (α-Fe₂O₃) based composites for photoelectrochemical water splitting to facilitate charge transport in the bulk is of paramount importance to obtain enhanced solar-to-fuel efficiency. [...]
2017 - 10.1039/c7ee01475a
Energy & environmental science, Vol. 10, Issue 10 (October 2017) , p. 2124-2136
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10.
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34 p, 4.9 MB |
Charge transfer characterization of ALD-Grown TiO₂ protective layers in silicon photocathodes
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Ros, Carles (Institut de Recerca en Energia de Catalunya) ;
Andreu, Teresa (Institut de Recerca en Energia de Catalunya) ;
Hernández-Alonso, María Dolores (Repsol Technology Center) ;
Penelas-Pérez, Germán (Repsol Technology Center) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Morante, Joan R. (Universitat de Barcelona)
A critical parameter for the implementation of standard high-efficiency photovoltaic absorber materials for photoelectrochemical (PEC) water splitting is its proper protection from chemical corrosion while remaining transparent and highly conductive. [...]
2017 - 10.1021/acsami.7b02996
ACS applied materials & interfaces, Vol. 9, Issue 21 (May 2017) , p. 17932-17941
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