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Artículos, Encontrados 14 registros
Artículos Encontrados 14 registros  1 - 10siguiente  ir al registro:
1.
40 p, 2.6 MB Nanoscale thermal imaging of dissipation in quantum systems / Halbertal, D. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Cuppens, Jo (Institut Català de Nanociència i Nanotecnologia) ; Ben Shalom, M. (University of Manchester) ; Embon, L. (Columbia University. Department of Physics) ; Shadmi, N. (Weizmann Institute of Science. Department of Materials and Interfaces) ; Anahory, Y. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Naren, H.R. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Sarkar, J. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Uri, A. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Ronen, Y. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Myasoedov, Y. (Weizmann Institute of Science. Department of Condensed Matter Physics) ; Levitov, L.S. (Massachusetts Institute of Technology. Department of Physics) ; Joselevich, Ernesto (Weizmann Institute of Science. Department of Materials and Interfaces) ; Geim, A.K. (University of Manchester) ; Zeldov, E. (Weizmann Institute of Science. Department of Condensed Matter Physics)
Energy dissipation is a fundamental process governing the dynamics of physical, chemical and biological systems. It is also one of the main characteristics that distinguish quantum from classical phenomena. [...]
2016 - 10.1038/nature19843
Nature, Vol. 539, Issue 7629 (November 2016) , p. 407-410  
2.
6 p, 937.0 KB Converse flexoelectricity yields large piezoresponse force microscopy signals in non-piezoelectric materials / Abdollahi, Amir (Universitat Politècnica de Catalunya) ; Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ; Arias, Irene (Universitat Politècnica de Catalunya) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
Converse flexoelectricity is a mechanical stress induced by an electric polarization gradient. It can appear in any material, irrespective of symmetry, whenever there is an inhomogeneous electric field distribution. [...]
2019 - 10.1038/s41467-019-09266-y
Nature communications, Vol. 10 (March 2019) , art. 1266  
3.
8 p, 1.1 MB Orthotropic Piezoelectricity in 2D Nanocellulose / García, Yamila (Institut Català de Nanociència i Nanotecnologia) ; Ruiz Blanco, Yasser B. (Universidad Central Marta Abreu de Las Villas) ; Marrero Ponce, Yovani (Universidad San Francisco de Quito) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia)
The control of electromechanical responses within bonding regions is essential to face frontier challenges in nanotechnologies, such as molecular electronics and biotechnology. Here, we present Iβ-nanocellulose as a potentially new orthotropic 2D piezoelectric crystal. [...]
2016 - 10.1038/srep34616
Scientific reports, Vol. 6 (October 2016) , art. 34616  
4.
14 p, 3.6 MB Nanoparticle shape anisotropy and photoluminescence properties : Europium containing ZnO as a model case / Gerigk, Melanie (University of Konstanz) ; Ehrenreich, Philipp (University of Konstanz) ; Wagner, Markus R. (Institut Català de Nanociència i Nanotecnologia) ; Wimmer, Ilona (University of Konstanz) ; Reparaz, Juan Sebastián (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Schmidt-Mende, Lukas (University of Konstanz) ; Polarz, Sebastian (University of Konstanz)
The precise control over electronic and optical properties of semiconductor (SC) materials is pivotal for a number of important applications like in optoelectronics, photocatalysis or in medicine. It is well known that the incorporation of heteroelements (doping as a classical case) is a powerful method for adjusting and enhancing the functionality of semiconductors. [...]
2015 - 10.1039/c5nr02550h
Nanoscale, Vol. 7, issue 40 (2015) , p. 16969-16982  
5.
8 p, 761.1 KB Scale-invariant large nonlocality in polycrystalline graphene / Ribeiro, Mário (Nanogune) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ; Hueso, Luis E. (Nanogune) ; Casanova, Fèlix (Nanogune)
The observation of large nonlocal resistances near the Dirac point in graphene has been related to a variety of intrinsic Hall effects, where the spin or valley degrees of freedom are controlled by symmetry breaking mechanisms. [...]
2017 - 10.1038/s41467-017-02346-x
Nature communications, Vol. 8, issue 1 (Jan. 2017) , art. 2198  
6.
13 p, 825.0 KB Structural, magnetic and electronic properties of Cu-Fe nanoclusters by density functional theory calculations / Cutrano, Carla (University of Ioannina) ; Lekka, Christina (University of Ioannina)
We present results from density functional theory calculations referring to the magnetic properties of 13, 55, 147 and 309 atoms Cu-Fe icosahedral nanoclusters. Aiming in finding the nanocluster with the optimum magnetic moment (μΒ) we explored the various sizes considering several compositions and atomic conformations. [...]
2017 - 10.1016/j.jallcom.2016.11.425
Journal of alloys and compounds, Vol. 707 (June 2017) , p. 114-119  
7.
19 p, 795.2 KB Fe–Co magnetic nanoclusters by density functional theory calculations / Cutrano, Carla (University of Ioannina) ; Lekka, Christina (University of Ioannina)
We present density functional theory results referring to the structural, electronic and magnetic properties of 13, 55, 147 and 309 Fe–Co (magnetic–magnetic) icosahedral nanoclusters (ICO) comparing with our previous results on Fe–Cu (magnetic–nonmagnetic). [...]
2018 - 10.1080/02670836.2018.1506728
Materials Science and Technology, Vol. 34, Issue 13 (2018) , p. 1575-1581  
8.
14 p, 3.2 MB Weakly-Correlated nature of ferromagnetism in nonsymmorphic CrO2 revealed by bulk-sensitive soft-X-ray ARPES / Bisti, Federico (ALBA Laboratori de Llum de Sincrotró) ; Rogalev, Victor A. (Paul Scherrer Institute) ; Karolak, Michael (Universität Würzburg) ; Paul, S. (University of Alabama) ; Gupta, Arunava (University of Alabama) ; Schmitt, Thorsten (Paul Scherrer Institute) ; Güntherodt, G. (RWTH Aachen University) ; Eyert, Volker (Materials Design SARL) ; Sangiovanni, Giorgio (Universität Würzburg) ; Profeta, Gianni (CNR-SPIN L'Aquila) ; Strocov, Vladimir N. (Paul Scherrer Institute)
Chromium dioxide CrO belongs to a class of materials called ferromagnetic half-metals, whose peculiar aspect is that they act as a metal in one spin orientation and as a semiconductor or insulator in the opposite one. [...]
2017 - 10.1103/PhysRevX.7.041067
Physical review X, Vol. 7, Issue 4 (December 2017) , art. 041067  
9.
15 p, 9.5 MB Addressing the Environment Electrostatic Effect on Ballistic Electron Transport in Large Systems : A QM/MM-NEGF Approach / Feliciano, Gustavo T. (Universidade Estadual Paulista (Brasil)) ; Sanz Navarro, Carlos (Institut Català de Nanociència i Nanotecnologia) ; Coutinho-Neto, Mauricio Domingues (Universidade Federal do ABC) ; Ordejón Rontomé, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Scheicher, Ralph H. (Uppsala University) ; Rocha, Alexandre Reily (Universidade Estadual Paulista (Brasil))
The effects of the environment in nanoscopic materials can play a crucial role in device design. Particularly in biosensors, where the system is usually embedded in a solution, water and ions have to be taken into consideration in atomistic simulations of electronic transport for a realistic description of the system. [...]
2018 - 10.1021/acs.jpcb.7b03475
Journal of physical chemistry B, Vol. 122, Núm. 2 (January 2018) , p. 485-492  
10.
15 p, 378.5 KB Pseudospin-driven spin relaxation mechanism in graphene / Dinh, Van Tuan (Institut Català de Nanociència i Nanotecnologia) ; Ortmann, Frank (Institut Català de Nanociència i Nanotecnologia) ; Soriano, David (Institut Català de Nanociència i Nanotecnologia) ; Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ; Universitat Autònoma de Barcelona. Departament de Física.
The prospect of transporting spin information over long distances in graphene, possible because of its small intrinsic spin-orbit coupling (SOC) and vanishing hyperfine interaction, has stimulated intense research exploring spintronics applications. [...]
2014 - 10.1038/nphys3083
Nature Physics, Vol. 10, Núm. 11 (September 2014) , p. 857-863  

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