Resultats globals: 15 registres trobats en 0.01 segons.
Articles, 12 registres trobats
Documents de recerca, 3 registres trobats
Articles 12 registres trobats  1 - 10següent  anar al registre:
1.
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, Vol. 121, Issue 45 (November 2017) , p. 25353-25363  
2.
17 p, 3.1 MB Symmetry forbidden morphologies and domain boundaries in nanoscale graphene islands / Parreiras, Sofia de Oliveira (Institut Català de Nanociència i Nanotecnologia) ; Gastaldo, Michele (Institut Català de Nanociència i Nanotecnologia) ; Moreno Sierra, César (Institut Català de Nanociència i Nanotecnologia) ; Martins, M.D. (Centro de Desenvolvimento da Tecnologia Nuclear (CDTN)) ; Garcia Lekue, Aran (Basque Foundation for Science) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Paniago, R. (Universidade Federal de Minas Gerais. Departamento de Física) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
The synthesis of graphene nanoislands with tailored quantum properties requires an atomic control of the morphology and crystal structure. As one reduces their size down to the nanometer scale, domain boundary and edge energetics, as well as nucleation and growth mechanisms impose different stability and kinetic landscape from that at the microscale. [...]
2017 - 10.1088/2053-1583/aa70fa
2D Materials, Vol. 4, Núm. 2 (May 2017) , art. 25104  
3.
14 p, 1.8 MB Towards microscopic control of the magnetic exchange coupling at the surface of a topological insulator / Rüssmann, Philipp (Peter Grünberg Institut) ; Mahatha, Sanjoy K. (Aarhus University. Department of Physics and Astronomy) ; Sessi, Paolo (Universität Würzburg) ; Valbuena, Miguel Ángel (Institut Català de Nanociència i Nanotecnologia) ; Bathon, Thomas (Universität Würzburg) ; Fauth, Kai (Universität Würzburg) ; Godey, Sylvie (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Kokh, Konstantin A. (Novosibirsk State University) ; Tereshchenko, Oleg E. (Novosibirsk State University) ; Gargiani, Pierluigi (ALBA Laboratori de Llum de Sincrotró) ; Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ; Jiménez, Erika (European Synchrotron Radiation Facility) ; Brookes, Nicholas B. (European Synchrotron Radiation Facility) ; Bode, Matthias (Universität Würzburg) ; Bihlmayer, Gustav (Peter Grünberg Institut) ; Blügel, Stefan (Peter Grünberg Institut) ; Mavropoulos, Phivos (Peter Grünberg Institut) ; Carbone, Carlo (Istituto di Struttura della Materia) ; Barla, Alessandro (Istituto di Struttura della Materia)
Magnetically doped topological insulators may produce novel states of electronic matter, where for instance the quantum anomalous Hall effect state can be realized. Pivotal to this goal is a microscopic control over the magnetic state, defined by the local electronic structure of the dopants and their interactions. [...]
2018 - 10.1088/2515-7639/aad02a
Journal of physics: Materials, Vol. 1, Núm. 1 (September 2018) , art. 015002  
4.
6 p, 1.7 MB On-surface synthesis of superlattice arrays of ultra-long graphene nanoribbons / Moreno Sierra, César (Institut Català de Nanociència i Nanotecnologia) ; Paradinas Aranjuelo, Marcos (Institut Català de Nanociència i Nanotecnologia) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Panighel, Mirko (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
We report the on-surface synthesis of graphene nanoribbon superlattice arrays directed by the herringbone reconstruction of the Au(111) surface. The uniaxial anisotropy of the zigzag pattern of the reconstruction defines a one dimensional grid for directing the Ullmann polymerization and inducing periodic arrays of parallel ultra-long nanoribbons (>100 nm), where the periodicity is varied with coverage at discrete values following a hierarchical templating behavior.
2018 - 10.1039/c8cc04830d
Chemical communications, Vol. 54, Issue 68 (September 2018) , p. 9402-9405  
5.
9 p, 3.3 MB Unraveling the Impact of Halide Mixing on Perovskite Stability / Hieulle, Jeremy (Okinawa Institute of Science and Technology Graduate University) ; Wang, Xiaoming (University of Toledo. Department of Physics and Astronomy and Wright) ; Stecker, Collin (Okinawa Institute of Science and Technology Graduate University) ; Son, Dae-Yong (Okinawa Institute of Science and Technology Graduate University) ; Qiu, Longbin (Okinawa Institute of Science and Technology Graduate University) ; Ohmann, Robin (Okinawa Institute of Science and Technology Graduate University) ; Ono, Luis K. (Okinawa Institute of Science and Technology Graduate University) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Yan, Yanfa (University of Toledo. Department of Physics and Astronomy and Wright) ; Qi, Yabing (Okinawa Institute of Science and Technology Graduate University)
Increasing the stability of perovskites is essential for their integration in commercial photovoltaic devices. Halide mixing is suggested as a powerful strategy toward stable perovskite materials. However, the stabilizing effect of the halides critically depends on their distribution in the mixed compound, a topic that is currently under intense debate. [...]
2019 - 10.1021/jacs.8b11210
Journal of the American Chemical Society, Vol. 141, Issue 8 (February 2019) , p. 3515-3523  
6.
28 p, 584.5 KB Critical Role of Phenyl Substitution and Catalytic Substrate in the Surface-Assisted Polymerization of Dibromobianthracene Derivatives / Moreno Sierra, César (Institut Català de Nanociència i Nanotecnologia) ; Panighel, Mirko (Institut Català de Nanociència i Nanotecnologia) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Tenorio, María José (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Understanding the nature and hierarchy of on-surface reactions is a major challenge for designing coordination and covalent nanostructures by means of multistep synthetic routes. In particular, intermediates and final products are hard to predict since the reaction paths and their activation windows depend on the choice of both the molecular precursor design and the substrate. [...]
2019 - 10.1021/acs.chemmater.8b03094
Chemistry of materials, Vol. 31, Issue 2 (January 2019) , p. 331-341  
7.
15 p, 5.7 MB Superparamagnetism-induced mesoscopic electron focusing in topological insulators / Sessi, P. (Universität Würzburg) ; Rüßmann, P. (Peter Grünberg Institut) ; Bathon, T. (Universität Würzburg) ; Barla, A. (Consiglio Nazionale Delle Ricerche) ; Kokh, K.A. (Novosibirsk State University) ; Tereshchenko, O.E. (Russian Academy of Sciences) ; Fauth, K. (Universität Würzburg) ; Mahatha, S.K. (Consiglio Nazionale Delle Ricerche) ; Valbuena, Miguel Ángel (Institut Català de Nanociència i Nanotecnologia) ; Godey, Sylvie (Institut Català de Nanociència i Nanotecnologia) ; Glott, F. (Physikalisches Institut. Experimentelle Physik II. Universität Würzburg) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Gargiani, Pierluigi (ALBA Laboratori de Llum de Sincrotró) ; Valvidares, Manuel (ALBA Laboratori de Llum de Sincrotró) ; Long, N.H. (Peter Grünberg Institut) ; Carbone, C. (Consiglio Nazionale Delle Ricerche) ; Mavropoulos, P. (Peter Grünberg Institut) ; Blügel, S. (Peter Grünberg Institut) ; Bode, M. (Universität Würzburg)
Recently it has been shown that surface magnetic doping of topological insulators induces backscattering of Dirac states which are usually protected by time-reversal symmetry [Sessi, Nat. Commun. 5, 5349 (2014)10. [...]
2016 - 10.1103/PhysRevB.94.075137
Physical review B, Vol. 94, Issue 7 (August 2016) , art. 75137  
8.
11 p, 967.1 KB Bottom-up synthesis of multifunctional nanoporous graphene / Moreno Sierra, César (Institut Català de Nanociència i Nanotecnologia) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Kretz, Bernhard (Donostia International Physics Center) ; Garcia Lekue, Aran (Basque Foundation for Science) ; Costache, Marius V. (Institut Català de Nanociència i Nanotecnologia) ; Paradinas Aranjuelo, Marcos (Institut Català de Nanociència i Nanotecnologia) ; Panighel, Mirko (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Nanosize pores can turn semimetallic graphene into a semiconductor and, from being impermeable, into the most efficient molecular-sieve membrane. However, scaling the pores down to the nanometer, while fulfilling the tight structural constraints imposed by applications, represents an enormous challenge for present top-down strategies. [...]
2018 - 10.1126/science.aar2009
Science, Vol. 360, Issue 6385 (April 2018) , p. 199-203  
9.
16 p, 2.2 MB Metallic thin films on stepped surfaces : Lateral scattering of quantum well states / Schiller, F. (Universidad del País Vasco. Centro de Física de Materiales) ; El-Fattah, Z.M. Abd (Al-Azhar University. Physics Department) ; Schirone, Stephano (Institut Català de Nanociència i Nanotecnologia) ; Lobo Checa, J. (Universidad del País Vasco. Centro de Física de Materiales) ; Urdanpilleta, M. (Universidad del País Vasco. Departamento de Física Aplicada I) ; Ruiz Osés, M. (Universidad del País Vasco. Departamento de Física Aplicada I) ; Cordón, J. (Universidad del País Vasco. Departamento de Física Aplicada I) ; Corso, M. (Universidad del País Vasco. Centro de Física de Materiales) ; Sánchez Portal, Daniel (Universidad del País Vasco. Centro de Física de Materiales) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Ortega, J.E. (Universidad del País Vasco. Centro de Física de Materiales)
Quantum well states of Ag films grown on stepped Au(111) surfaces are shown to undergo lateral scattering, in analogy with surface states of vicinal Ag(111). Applying angle resolved photoemission spectroscopy we observe quantum well bands with zone-folding and gap openings driven by surface/interface step lattice scattering. [...]
2014 - 10.1088/1367-2630/16/12/123025
New journal of physics, Vol. 16 (December 2014) , art. 123025  
10.
9 p, 2.0 MB Structure and electronic states of vicinal Ag(111) surfaces with densely kinked steps / Ortega, J. Enrique (Universidad del País Vasco) ; Vasseur, Guillaume (Donostia International Physics Centre) ; Piquero Zulaica, Ignacio (Centro de Física de Materiales CSIC) ; Matencio, Sonia (Institut Català de Nanociència i Nanotecnologia) ; Valbuena, Miguel Ángel (Institut Català de Nanociència i Nanotecnologia) ; Rault, Julien E. (Synchrotron SOLEIL) ; Schiller, Frederik (Centro de Física de Materiales CSIC) ; Corso, Martina (Centro de Física de Materiales CSIC) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Lobo Checa, Jorge (Universidad de Zaragoza. Departamento de Física de la Materia Condensada)
Vicinal surfaces exhibiting arrays of atomic steps are frequently investigated due to their diverse physical-chemical properties and their use as growth templates. However, surfaces featuring steps with a large number of low-coordinated kink-atoms have been widely ignored, despite their higher potential for chemistry and catalysis. [...]
2018 - 10.1088/1367-2630/aacbb7
New journal of physics, Vol. 20 (July 2018) , art. 73010  

Articles : 12 registres trobats   1 - 10següent  anar al registre:
Documents de recerca 3 registres trobats  
1.
145 p, 4.0 MB Magnetic metal-organic / topological insulator heterostructures / González Cuxart, Marc, autor. ; Mugarza, Aitor, supervisor acadèmic. ; Valenzuela, Sergio O., supervisor acadèmic. ; Moreno Sierra, César, supervisor acadèmic. ; Sort Viñas, Jordi, supervisor acadèmic. ; Institut Català de Nanociència i Nanotecnologia
Topological Insulators (TIs) have become one of the wonder materials of condensed matter physics over the last decade due to their novel properties, possessing an insulating bulk in coexistence with metallic boundaries. [...]
: Universitat Autònoma de Barcelona, 2019.  
2.
187 p, 7.5 MB Tailoring the structural and electronic properties of graphene nanostructures by bottom-up methods / Gastaldo, Michele, autor. ; Mugarza, Aitor, supervisor acadèmic. ; Ceballos Majo, Gustavo, supervisor acadèmic. ; Pascual i Gainza, Jordi, supervisor acadèmic. ; Universitat Autònoma de Barcelona. Departament de Física ; Institut Català de Nanociència i Nanotecnologia (ICN2)
Los métodos de crecimiento ascendente como la nanoestructuración o la interconexión con otros materiales son una forma efectiva de diseñar y modificar las propiedades estructurales, electrónicas y magnéticas del grafeno. [...]
Bottom-up methods such as nanostructuring and interfacing with other materials can be an effective way of tailoring the structural, electronic and magnetic properties of graphene. At the nanoscale, these can dramatically depend on atomic scale variations in size and boundary structure. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2019.  
3.
62 p, 6.1 MB Electronic structure of metal phthalocyanines on Ag (100) / Krull, Cornelius ; Mugarza, Aitor, dir. ; Gambardella, Pietro, dir. ; Universitat Autònoma de Barcelona. Departament de Física
El uso de moléculas orgánicas en dispositivos tecnológicos ofrece una serie de ventajas: su tamaño (~nm), su capacidad de auto ensamblan dando lugar a la formación de estructuras funcionales, y la posibilidad de adaptar sus propiedades electrónicas y magnéticas a través de los métodos de síntesis molecular. [...]
The use of organic molecules in technological devices offers a number of advantages: their intrinsic small size (~nm), their ability to self assemble into functional structures, and the possibility to tailor their electronic and magnetic properties through the methods of molecular synthesis. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2015
5 documents

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