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Articles 26 registres trobats  inicianterior15 - 24següent  anar al registre: La cerca s'ha fet en 0.00 segons. 
15.
4 p, 327.5 KB Theoretical evidence for the kick-out mechanism for B diffusion in SiC / Rurali, Riccardo (Centro Nacional de Microelectrónica) ; Godignon, Philippe (Centro Nacional de Microelectrónica) ; Rebollo Palacios, José Andrés (Centro Nacional de Microelectrónica) ; Ordejon, Pablo (Institut de Ciència de Materials de Barcelona) ; Hernández, Eduardo R. (Institut de Ciència de Materials de Barcelona) ; American Physical Society
In this letter, we analyze by means of first-principles electronic structure calculations the diffusion of B impurities in 3C-SiC. We find, through molecular dynamics, that substitutional B at a Si lattice site is readily displaced by a nearby Si interstitial by the process known as a kick-out mechanism, in agreement with recent experimental results. [...]
2002 - 10.1063/1.1515369
Applied physics letters, Vol. 81, Issue 16 (October 2002) , p. 2989-2991  
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16.
4 p, 272.4 KB First-principles study of n-type dopants and their clustering in SiC / Rurali, Riccardo (Centro Nacional de Microelectrónica) ; Godignon, Philippe (Centro Nacional de Microelectrónica) ; Rebollo Palacios, José Andrés (Centro Nacional de Microelectrónica) ; Hernández, Eduardo R. (Institut de Ciència de Materials de Barcelona) ; Ordejon, Pablo (Institut de Ciència de Materials de Barcelona) ; American Physical Society
We report the results of an ab initio study of N and P dopants in SiC. We find that while N substitutes most favorably at a C lattice site, P does so preferably at a Si site, except in n-doping and Si-rich 3C-SiC. [...]
2003 - 10.1063/1.1583870
Applied physics letters, Vol. 82, Issue 24 (June 2003) , p. 4298-4300  
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17.
4 p, 563.1 KB Ordered arrays of quantum wires through hole patterning : ab initio and empirical electronic structure calculations / Rurali, Riccardo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Cartoixà Soler, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Physical Society
We propose an approach to the fabrication of one-dimensional nanostructures, based on the design of a pattern of channels onto a semiconductor surface. The feasibility of this approach is demonstrated by means of ab initio and empirical electronic structure calculations. [...]
2007 - 10.1063/1.2696774
Applied physics letters, Vol. 90, Issue 8 (February 2007) , p. 083118/1-083118/3  
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18.
5 p, 1.3 MB Inducing bistability with local electret technology in a microcantilever based non-linear vibration energy harvester / López Suárez, Miquel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Agustí Batlle, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Torres, Francesc 1948- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Rurali, Riccardo (Institut de Ciència de Materials de Barcelona) ; Abadal Berini, Gabriel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Institute of Physics
A micro-electro-mechanical system based vibration energy harvester is studied exploring the benefits of bistable non linear dynamics in terms of energy conversion. An electrostatic based approach to achieve bistability, which consists in the repulsive interaction between two electrets locally charged in both tip free ends of an atomic force microscope cantilever and a counter electrode, is experimentally demonstrated. [...]
2013 - 10.1063/1.4800926
Applied physics letters, Vol. 102, Issue 15 (April 2013) , p. 153901/1-153901/4  
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19.
1 p, 98.6 KB Comment on "Molecular Distortions and Chemical Bonding of a Large π-Conjugated Molecule on a Metal Surface" / Rurali, Riccardo (Université Paul Sabatier. Laboratoire Collisions Agrégats, Réactivité) ; Lorente, N. (Université Paul Sabatier. Laboratoire Collisions Agrégats, Réactivité) ; Ordejon, Pablo (Institut de Ciència de Materials de Barcelona) ; American Physical Society
2005 - 10.1103/PhysRevLett.95.209601
Physical review letters, Vol. 95, Issue 20 (November 2005) , p. 209601-1  
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20.
5 p, 1.1 MB Quantum size effects in hafnium-oxide resistive switching / Long, Shibing (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Lian, Xiaojuan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Cagli, Carlo (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Cartoixà Soler, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Rurali, Riccardo (Institut de Ciència de Materials de Barcelona) ; Miranda, Enrique (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Jiménez Jiménez, David (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Perniola, Luca (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Liu, Ming (Chinese Academy of Sciences. Laboratory of Nanofabrication and Novel Device Integration (Beijing, Xina)) ; American Physical Society
Discrete changes of conductance of the order of G0 = 2e2/h reported during the unipolar reset transitions of Pt/HfO2/Pt structures are interpreted as the signature of atomic-size variations of the conducting filament (CF) nanostructure. [...]
2013 - 10.1063/1.4802265
Applied physics letters, Vol. 102, Issue 18 (May 2013) , p. 183505/1-183505/4  
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21.
4 p, 303.8 KB Metallic and semimetallic silicon <100> nanowires / Rurali, Riccardo (Université Paul Sabatier. Laboratoire Collisions, Agrégats, Réactivité) ; Lorente, N. (Université Paul Sabatier. Laboratoire Collisions, Agrégats, Réactivité) ; American Physical Society
Silicon nanowires grown along the <100> direction with a bulk Si core are studied with density-functional calculations. Two surface reconstructions prevail after exploration of a large fraction of the phase space of nanowire reconstructions. [...]
2005 - 10.1103/PhysRevLett.94.026805
Physical review letters, Vol. 94, Issue 2 (January 2005) , p. 026805  
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22.
4 p, 733.7 KB Electron transport via local polarons at interface atoms / Berthe, M. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Urbieta, A. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Perdigão, L. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Grandidier, B. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Deresmes, D. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Delerue, C. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Stiévenard, D. (Institut d'Electronique, de Microélectronique, et de Nanotechnologie (Lille, França)) ; Rurali, Riccardo (Université Paul Sabatier) ; Lorente, N. (Université Paul Sabatier) ; Magaud, L. (Laboratoire d'Etude des Propriétés Electroniques des Solides (Grenoble, França)) ; Ordejon, Pablo (Institut de Ciència de Materials de Barcelona) ; American Physical Society
Electronic transport is profoundly modified in the presence of strong electron-vibration coupling. We show that in certain situations, the electron flow takes place only when vibrations are excited. [...]
2006 - 10.1103/PhysRevLett.97.206801
Physical review letters, Vol. 97 Issue 20 (November 2006) , p. 206801  
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23.
4 p, 962.7 KB Ferrodistortive instability at the (001) surface of half-metallic manganites / Pruneda, Miguel (University of California. Department of Physics) ; Ferrari, Valeria P. (University of Cambridge. Cavendish Laboratory) ; Rurali, Riccardo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Littlewood, Peter (University of Cambridge. Cavendish Laboratory) ; Spaldin, Nicola A. (University of California. Materials Department) ; Artacho, Emilio (University of Cambridge. Department of Earth Sciences) ; American Physical Society
We present the structure of the fully relaxed (001) surface of the half-metallic manganite La0. 7Sr0. 3MnO3, calculated using density functional theory. Two relevant ferroelastic order parameters are identified and characterized. [...]
2007 - 10.1103/PhysRevLett.99.226101
Physical review letters, Vol. 99, Issue 22 (November 2007) , p. 226101  
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24.
4 p, 283.5 KB Scaling theory put into practice : first-principles modeling of transport in doped silicon nanowires / Markussen, Troels (Technical University of Denmark. Department of Micro- and Nanotechnology) ; Rurali, Riccardo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Jauho, Antti-Pekka (Technical University of Denmark. Department of Micro- and Nanotechnology) ; Brandbyge, Mads (Technical University of Denmark. Department of Micro- and Nanotechnology) ; American Physical Society
We combine the ideas of scaling theory and universal conductance fluctuations with density-functional theory to analyze the conductance properties of doped silicon nanowires. Specifically, we study the crossover from ballistic to diffusive transport in boron or phosphorus doped Si nanowires by computing the mean free path, sample-averaged conductance ⟨G⟩, and sample-to-sample variations std(G) as a function of energy, doping density, wire length, and the radial dopant profile. [...]
2007 - 10.1103/PhysRevLett.99.076803
Physical review letters, Vol. 99, Issue 7 (August 2007) , p. 76803  
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Articles : 26 registres trobats   inicianterior15 - 24següent  anar al registre:
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1 Rurali, R.
2 Rurali, Riccardo,
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