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Articles 17 registres trobats  anterior11 - 17  anar al registre: La cerca s'ha fet en 0.00 segons. 
11.
4 p, 695.9 KB Bidirectional resonant tunneling spin pump / Ting, David Z. -Y. (California Institute of Technology. Jet Propulsion Laboratory) ; Cartoixà Soler, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Physical Society
We propose a mechanism for achieving bidirectional spin pumping in conventional nonmagnetic semiconductorresonant tunnelingheterostructures under zero magnetic field. The device is designed specifically to take advantage of the special spin configuration described by the Rashba effect in asymmetric quantum wells. [...]
2003 - 10.1063/1.1602158
Applied physics letters, Vol. 83, Issue 7 (August 2003) , p. 1391-1393  
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12.
4 p, 394.7 KB Magneto-optical study of magnetization reversal asymmetry in exchange bias / Tillmanns, A. (Rheinisch-Westfälische Technische Hochschule Aachen. Institut für physikalisches) ; Oertker, S. (Rheinisch-Westfälische Technische Hochschule Aachen. Institut für physikalisches) ; Beschoten, Bernd (Rheinisch-Westfälische Technische Hochschule Aachen. Institut für physikalisches) ; Güntherodt, G. (Rheinisch-Westfälische Technische Hochschule Aachen. Institut für physikalisches) ; Leighton, C. (University of California, San Diego. Department of Physics) ; Schuller, Ivan K. (University of California, San Diego. Department of Physics) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
The asymmetric magnetization reversal in exchange biased Fe/MnF2 involves coherent (Stoner-Wohlfarth) magnetization rotation into an intermediate, stable state perpendicular to the applied field. We provide here the experimentally tested analytical conditions for the unambiguous observation of both longitudinal and transverse magnetization components using the magneto-optical Kerr effect. [...]
2006 - 10.1063/1.2392283
Applied physics letters, Vol. 89, Issue 20 (November 2006) , p. 202512  
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13.
4 p, 246.2 KB Controlling magnetic vortices through exchange bias / Sort Viñas, Jordi (Institució Catalana de Recerca i Estudis Avançats) ; Salazar Álvarez, Germán (Universitat Autònoma de Barcelona. Departament de Física) ; Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física) ; Dieny, B. (SPINTEC (Spin Electronics Research)) ; Hoffmann, Axel (Argonne National Laboratory. Materials Science Division) ; Novosad, V. (Argonne National Laboratory. Materials Science Division) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
The magnetization reversal in Permalloy (Py) and Py-IrMn disks (1μm diameter) is investigated. The Py disks reverse their magnetization via vortex state formation. Conversely, if the Py-IrMn disks are field cooled from above the blocking temperatureTB, a critical angle with respect to the cooling direction is set, beyond which the vortex no longer nucleates. [...]
2006 - 10.1063/1.2165290
Applied physics letters, Vol. 88, Issue 4 (January 2006) , p. 042502/1-042502/3  
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14.
4 p, 484.5 KB Strain tuned magnetoelectric coupling in orthorhombic YMnO3 thin films / Martí Rovirosa, Xavier (Institut de Ciència de Materials de Barcelona) ; Fina, Ignasi (Institut de Ciència de Materials de Barcelona) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física) ; Ferrater Martorell, Cèsar (Universitat de Barcelona. Departament de Física Aplicada i Òptica) ; Varela Fernández, Manuel, 1956- (Universitat de Barcelona. Departament de Física Aplicada i Òptica) ; Fábrega Sánchez, Lourdes (Institut de Ciència de Materials de Barcelona) ; Sánchez Barrera, Florencio (Institut de Ciència de Materials de Barcelona) ; Fontcuberta, Josep (Institut de Ciència de Materials de Barcelona)
Orthorhombic YMnO3epitaxialthin films were grown on Nb(0. 5%)-doped SrTiO3(001) substrates. Film's thickness was varied to tune the epitaxial strain. Structural and magnetic properties are well correlated, presenting a more pronounced ferromagnetic behavior as the unit cell becomes more distorted. [...]
2009 - 10.1063/1.3238287
Applied physics letters, Vol. 95, Issue 14 (October 2009) , p. 142903/1-142903/3  
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15.
4 p, 423.1 KB Tuning the band gap of semiconducting carbon nanotube by an axial magnetic field / Fedorov, G. (Georgetown University. Department of Physics) ; Barbara, P. (Georgetown University. Department of Physics) ; Smirnov, D. (Florida State University. National High Magnetic Field Laboratory) ; Jiménez Jiménez, David (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Roche, Stephan (Institució Catalana de Recerca i Estudis Avançats) ; American Physical Society
We have investigated the magnetic field dependence of transfer characteristics of a device fabricated in a configuration of a field-effect transistor with a conduction channel formed by a semiconducting multiwalled carbon nanotube. [...]
2010 - 10.1063/1.3360214
Applied physics letters, Vol. 96, Issue 13 (March 2010) , p. 132101/1-132101/3  
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16.
5 p, 591.3 KB Storing magnetic information in IrMn/MgO/Ta tunnel junctions via field-cooling / Petti, D. (Politecnico di Milano. Dipartimento di Fisica) ; Albisetti, E. (Politecnico di Milano. Dipartimento di Fisica) ; Reichlová, H. (Institute of Physics (Praga, República Txeca)) ; Gázquez Alabart, Jaume (Institut de Ciència de Materials de Barcelona) ; Varela, M. (Oak Ridge National Laboratory. Materials Science & Technology Division) ; Molina Ruiz, Manel (Universitat Autònoma de Barcelona. Departament de Física) ; Lopeandía Fernández, Aitor (Universitat Autònoma de Barcelona. Departament de Física) ; Olejník, K. (Institute of Physics (Praga, República Txeca)) ; Novák, V. (Institute of Physics (Praga, República Txeca)) ; Fina, Ignasi (Institut de Ciència de Materials de Barcelona) ; Dkhil, B. (Laboratoire Structures, Propriétés et Modélisation des Solides (CNRS)) ; Hayakawa, J. (Hitachi Ltd. Advanced Research Laboratory) ; Marti, X. (Institute of Physics (Praga, República Txeca)) ; Wunderlich, J. (Institute of Physics (Praga, República Txeca)) ; Jungwirth, Tomas (Institute of Physics (Praga, República Txeca)) ; Bertacco, Riccardo (Politecnico di Milano. Dipartimento di Fisica) ; American Institute of Physics
In this paper, we demonstrate that in Ta/MgO/IrMn tunneling junctions, containing no ferromagnetic elements, distinct metastable resistance states can be set by field cooling the devices from above the Néel temperature (TN) along different orientations. [...]
2013 - 10.1063/1.4804429
Applied physics letters, Vol. 102, Issue 19 (May 2013) , p. 192404/1-192404-4  
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17.
11 p, 1.2 MB Lithospheric magnetic mapping of the northern Caribbean region / Catalán, M. (Real Instituto y Observatorio de la Armada) ; Martín-Dávila, J. (Real Instituto y Observatorio de la Armada)
A more complete crustal perspective of the northernmost part of the Venezuela Basin is provided by data from an international public database processed with new geomagnetic models (CM4) together with data from aeromagnetic surveys and from a recent marine cruise in areas offshore Puerto Rico and the Dominican Republic. [...]
2013 - 10.1344/105.000001872
Geologica acta, Vol. 11, Núm. 3 (September 2013) , p. 311-320  
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