Articles publicats

Articles publicats 4 registres trobats  La cerca s'ha fet en 0.01 segons. 
1.
4 p, 962.7 KB Ferrodistortive instability at the (001) surface of half-metallic manganites / Pruneda, J. M. (University of California. Department of Physics) ; Ferrari, V. (University of Cambridge. Cavendish Laboratory) ; Rurali, Riccardo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Littlewood, P. B. (University of Cambridge. Cavendish Laboratory) ; Spaldin, N. 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  
2.
4 p, 202.8 KB Cavity cooling of internal molecular motion / Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; Pinkse, Pepijn W. H. (Max-Planck-Institut für Quantenoptik) ; Kowalewski, Markus (Ludwig-Maximilians-Universität München) ; de Vivie-Riedle, Regina (Ludwig-Maximilians-Universität München) ; American Physical Society
We predict that it is possible to cool rotational, vibrational, and translational degrees of freedom of molecules by coupling a molecular dipole transition to an optical cavity. The dynamics is numerically simulated for a realistic set of experimental parameters using OH molecules. [...]
2007 - 10.1103/PhysRevLett.99.073001
Physical review letters, Vol. 99, Issue 7 (August 2007) , p. 73001  
3.
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  
4.
4 p, 443.3 KB Mechanical detection of carbon nanotube resonator vibrations / García Sánchez, Daniel (Centre d'Investigació en Nanociència i Nanotecnologia) ; San Paulo, Álvaro (Centro Nacional de Microelectrónica) ; Esplandiu Egido, Maria José (Centre d'Investigació en Nanociència i Nanotecnologia) ; Forró, László (EPFL (Lausanne, Suïssa)) ; Aguasca Solé, Alberto (Universitat Politècnica de Catalunya) ; Bachtold, Adrian (Centre d'Investigació en Nanociència i Nanotecnologia) ; American Physical Society
Bending-mode vibrations of carbon nanotube resonators were mechanically detected in air at atmospheric pressure by means of a novel scanning force microscopy method. The fundamental and higher order bending eigenmodes were imaged at up to 3. [...]
2007 - 10.1103/PhysRevLett.99.085501
Physical review letters, Vol. 99, Issue 8 (August 2007) , p. 85501  

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