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Articles 31 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
11.
14 p, 2.3 MB Enhanced Magnetism through Oxygenation of FePc/Ag(110) Monolayer Phases / Bartolome, Elena (Escola Universitària Salesiana de Sarrià) ; Bartolomé, Juan (Instituto de Ciencia de Materiales de Aragón) ; Sedona, Francesco (Università Degli Studi di Padova. Dipartimento di Scienze Chimiche) ; Lobo-Checa, Jorge (Instituto de Ciencia de Materiales de Aragón) ; Forrer, Daniel (Università Degli Studi di Padova. Dipartimento di Scienze Chimiche) ; Herrero-Albillos, Julia (Centro Universitario de la Defensa) ; Piantek, Marten (Instituto de Nanociencia de Aragón) ; Herrero-Martín, Javier (ALBA Laboratori de Llum de Sincrotró) ; Betto, Davide (European Synchrotron Radiation Facility) ; Velez-Fort, Emilio (European Synchrotron Radiation Facility) ; García, L. M. (Instituto de Ciencia de Materiales de Aragón) ; Panighel, Mirco (TASC IOM-CNR) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Sambi, Mauro (Università Degli Studi di Padova. Dipartimento di Scienze Chimiche) ; Bartolomé, Fernando (Instituto de Ciencia de Materiales de Aragón)
Iron phthalocyanines (FePc) adsorbed onto a Ag(110) substrate self-assemble into different monolayer phases going from rectangular to different oblique phases, with increasing molecular density. We have investigated the oxygen uptake capability of the different phases and their associated magneto-structural changes. [...]
2020 - 10.1021/acs.jpcc.0c01988
Journal of physical chemistry. C, Vol. 124, issue 25 (June 2020) , p. 13993-14006  
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12.
21 p, 2.4 MB Band Depopulation of Graphene Nanoribbons Induced by Chemical Gating with Amino Groups / Li, Jingcheng (CIC Nanogune BRTA) ; Brandimarte Mendonça, Pedro (Donostia International Physics Center) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Merino Díez, Nestor (CIC Nanogune BRTA) ; Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Sáez Mollejo, Jaime (Donostia International Physics Center) ; Sanchez-Portal, Daniel (Donostia International Physics Center) ; Garcia de Oteyza, Dimas (Donostia International Physics Center) ; Corso, Martina (Donostia International Physics Center) ; Garcia-Lekue, Aran (Donostia International Physics Center) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Pascual, José I. (CIC Nanogune BRTA)
The electronic properties of graphene nanoribbons (GNRs) can be precisely tuned by chemical doping. Here we demonstrate that amino (NH) functional groups attached at the edges of chiral GNRs (chGNRs) can efficiently gate the chGNRs and lead to the valence band (VB) depopulation on a metallic surface. [...]
2020 - 10.1021/acsnano.9b08162
ACS nano, Vol. 14, Issue 2 (February 2020) , p. 1895-1901  
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13.
6 p, 509.4 KB Spin-dependent electron scattering at graphene edges on Ni(111) / Garcia-Lekue, Aran (Donostia International Physics Center) ; Balashov, Timofey (Institut Català de Nanociència i Nanotecnologia) ; Olle, M. (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Arnau Pino, Andrés (IKERBASQUE) ; Gambardella, Pietro (Institut Català de Nanociència i Nanotecnologia) ; Sanchez-Portal, Daniel (CSIC-UPV - Centro de Física de Materiales (CFM)) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
We investigate the scattering of surface electrons by the edges of graphene islands grown on Ni(111). By combining local tunneling spectroscopy and ab initio electronic structure calculations we find that the hybridization between graphene and Ni states results in strongly reflecting graphene edges. [...]
2014 - 10.1103/PhysRevLett.112.066802
Physical review letters, Vol. 112, issue 6 (Feb. 2014) , art. 66802  
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14.
18 p, 6.5 MB Coupling of single, double, and triple-decker metal-phthalocyanine complexes to ferromagnetic and antiferromagnetic substrates / Lodi Rizzini, Alberto (Institut Català de Nanociència i Nanotecnologia) ; Krull, Cornelius (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Balashov, Timofey (Institut Català de Nanociència i Nanotecnologia) ; Nistor, Corneliu (ETH Zürich. Department of Materials) ; Piquerel, Raoul (Institut Català de Nanociència i Nanotecnologia) ; Klyatskaya, Svetlana (Karlsruhe Institute of Technology. Institute of Nanotechnology) ; Ruben, Mario (Karlsruhe Institute of Technology. Institute of Nanotechnology) ; Sheverdyaeva, Polina (Consiglio Nazionale Delle Ricerche. Istituto di Struttura della Materia) ; Moras, Paolo (Consiglio Nazionale Delle Ricerche. Istituto di Struttura della Materia) ; Carbone, Carlo (Consiglio Nazionale Delle Ricerche. Istituto di Struttura della Materia) ; Stamm, Christian (ETH Zürich. Department of Materials) ; Miedema, Piter (Utrecht University. Debye Institute of Nanomaterials Science) ; Thakur, Pardeep K. (European Synchrotron Radiation Facility) ; Sessi, Violetta (European Synchrotron Radiation Facility) ; Soares, Marcio (European Synchrotron Radiation Facility) ; Yakhou-Harris, Flora (European Synchrotron Radiation Facility) ; Cezar, Julio C. (European Synchrotron Radiation Facility) ; Stepanow, Sebastian (Department of Materials, ETH Zürich) ; Gambardella, Pietro (Institut Català de Nanociència i Nanotecnologia)
We report a survey of the magnetic properties of metal-organic complexes coupled to ferromagnetic and antiferromagnetic surfaces. Using element-resolved X-ray magnetic circular dichroism, we investigate the magnetism of single, double, and triple-decker phthalocyanines focusing on MnPc, TbPc, and TbPc deposited on Ni, Mn, and CoO thin films. [...]
2014 - 10.1016/j.susc.2014.07.008
Surface Science, Vol. 630 (Dec. 2014) , p. 361-374  
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15.
40 p, 2.2 MB Fieldlike and antidamping spin-orbit torques in as-grown and annealed Ta/CoFeB/MgO layers / Avci, Can Onur (Institut Català de Nanociència i Nanotecnologia) ; Garello, Kevin (Institut Català de Nanociència i Nanotecnologia) ; Nistor, Corneliu (Institut Català de Nanociència i Nanotecnologia) ; Godey, Sylvie. (Institut Català de Nanociència i Nanotecnologia) ; Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Barla, Alessandro (Consiglio Nazionale Delle Ricerche. Istituto di Struttura della Materia) ; Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ; Pellegrin, Eric. (ALBA Laboratori de Llum de Sincrotró) ; Ghosh, Abhijit (ETH Zurich. Department of Materials) ; Miron, Ioan Mihai (SPINTEC) ; Boulle, Olivier (SPINTEC) ; Auffret, Stéphane (SPINTEC) ; Gaudin, Gilles (SPINTEC) ; Gambardella, Pietro (Institut Català de Nanociència i Nanotecnologia)
We present a comprehensive study of the current-induced spin-orbit torques in perpendicularly magnetized Ta/CoFeB/MgO layers. The samples were annealed in steps up to 300 °C and characterized using x-ray-absorption spectroscopy, transmission electron microscopy, resistivity, and Hall effect measurements. [...]
2014 - 10.1103/PhysRevB.89.214419
Physical review B : Condensed matter and materials physics, Vol. 89, issue 21 (June 2014) , art. 214419  
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16.
18 p, 5.2 MB Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures / González Cuxart, Marc (Institut Català de Nanociència i Nanotecnologia) ; Valbuena, Miguel Ángel (Institut Català de Nanociència i Nanotecnologia) ; Robles, Roberto (Centro de Física de Materiales (CSIC-UPV/EHU)) ; Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Bonell, Frédéric (Institut Català de Nanociència i Nanotecnologia) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Imaz, Inhar (Institut Català de Nanociència i Nanotecnologia) ; Xu, Heng (Institut Català de Nanociència i Nanotecnologia) ; Nistor, Corneliu (ETH Zurich. Department of Materials) ; Barla, Alessandro (Istituto di Struttura della Materia) ; Gargiani, Pierluigi (ALBA Laboratori de Llum de Sincrotró) ; Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ; Maspoch Comamala, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Gambardella, Pietro (ETH Zurich. Department of Materials) ; Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Controlling interfacial interactions in magnetic/topological insulator heterostructures is a major challenge for the emergence of novel spin-dependent electronic phenomena. As for any rational design of heterostructures that rely on proximity effects, one should ideally retain the overall properties of each component while tuning interactions at the interface. [...]
2020 - 10.1021/acsnano.0c02498
ACS nano, Vol. 14, Issue 5 (May 2020) , p. 6285-6294  
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17.
27 p, 1.3 MB Neutral organic radical formation by chemisorption on metal surfaces / Ajayakumar, M. R. (Institut de Ciència de Materials de Barcelona) ; Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Alcón, Isaac (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ; Illas, Francesc (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ; Rovira Angulo, Concepció (Institut de Ciència de Materials de Barcelona) ; Veciana i Miró, Jaume (Institut de Ciència de Materials de Barcelona) ; Bromley, Stefan (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Mas-Torrent, Marta (Institut de Ciència de Materials de Barcelona)
Organic radical monolayers (r-MLs) bonded to metal surfaces are potential materials for the development of molecular (spin)electronics. Typically, stable radicals bearing surface anchoring groups are used to generate r-MLs. [...]
2020 - 10.1021/acs.jpclett.0c00269
Journal of physical chemistry letters, Vol. 11, issue 10 (May 2020) , p. 3897-3904  
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18.
10 p, 4.8 MB Structure and magnetism of Tm atoms and monolayers on W(110) / Nistor, Corneliu (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Stepanow, Sebastian (ETH Zürich. Department of Materials) ; Gambardella, Pietro (Institut Català de Nanociència i Nanotecnologia) ; Kummer, Kurt (European Synchrotron Radiation Facility) ; Diez-Ferrer, José Luis (Universidad de Zaragoza. Laboratorio de Microscopias Avanzadas) ; Coffey, David (Instituto de Ciencia de Materiales de Aragón) ; De La Fuente, César (Instituto de Ciencia de Materiales de Aragón) ; Ciria, Miguel (Universidad de Zaragoza. Departamento de Física de la Materia Condensada) ; Arnaudas, José Ignacio (Universidad de Zaragoza. Departamento de Física de la Materia Condensada)
We investigated the growth and magnetic properties of Tm atoms and monolayers deposited on a W(110) surface using scanning tunneling microscopy and x-ray magnetic circular and linear dichroism. The equilibrium structure of Tm monolayer films is found to be a strongly distorted hexagonal lattice with a Moiré pattern due to the overlap with the rectangular W(110) substrate. [...]
2014 - 10.1103/PhysRevB.90.064423
Physical review B : Condensed matter and materials physics, Vol. 90, issue 6 (Aug. 2014) , art. 64423  
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19.
11 p, 1.9 MB Spin tuning of electron-doped metal-phthalocyanine layers / Stepanow, Sebastian (ETH Zürich. Department of Materials) ; Lodi Rizzini, Alberto (Institut Català de Nanociència i Nanotecnologia) ; Krull, Cornelius (Institut Català de Nanociència i Nanotecnologia) ; Kavich, Jerald (Institut Català de Nanociència i Nanotecnologia) ; Cezar, Julio C. (European Synchrotron Radiation Facility) ; Yakhou-Harris, Flora (European Synchrotron Radiation Facility) ; Sheverdyaeva, Polina M. (Consiglio Nazionale Delle Ricerche (Itàlia). Istituto di Struttura della Materia) ; Moras, Paolo (Consiglio Nazionale Delle Ricerche (Itàlia). Istituto di Struttura della Materia) ; Carbone, Carlo (Consiglio Nazionale Delle Ricerche (Itàlia). Istituto di Struttura della Materia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Gambardella, Pietro (Institut Català de Nanociència i Nanotecnologia)
The spin state of organic-based magnets at interfaces is to a great extent determined by the organic environment and the nature of the spin-carrying metal center, which is further subject to modifications by the adsorbate-substrate coupling. [...]
2014 - 10.1021/ja501204q
Journal of the American Chemical Society, Vol. 136, issue 14 (April 2014) , p. 5451-5459  
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20.
32 p, 1.5 MB Electronic Structure of Titanylphthalocyanine Layers on Ag(111) / Lerch, A. (Philipps-Universität Marburg) ; Fernández, L. (TU Dresden) ; Ilyn, M. (Donostia International Physics Center) ; Gastaldo, Michele (Institut Català de Nanociència i Nanotecnologia) ; Paradinas Aranjuelo, Marcos (Institut Català de Nanociència i Nanotecnologia) ; Valbuena, Miguel Ángel (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Ibrahim, A. B. M. (Philipps-Universität Marburg) ; Sundermeyer, J. (Philipps-Universität Marburg) ; Höfer, U. (Philipps-Universität Marburg) ; Schiller, Frederik (Centro de Física de Materiales CSIC)
We have investigated the electronic structures of axially oxo functionalized titanylphthalocyanine (TiOPc) on Ag(111) by X-ray and ultraviolet photoelectron spectroscopies, two-photon photoemission, X-ray absorption spectroscopy, and X-ray magnetic circular dichroism. [...]
2017 - 10.1021/acs.jpcc.7b09147
Journal of physical chemistry. C, Vol. 121, Issue 45 (November 2017) , p. 25353-25363  
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