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Resultados globales: 6 registros encontrados en 0.03 segundos.
Artículos, Encontrados 6 registros
Artículos Encontrados 6 registros  
1.
22 p, 1.1 MB Interdependence between training and magnetization reversal in granular Co-CoO exchange bias systems / Menéndez Dalmau, Enric (KU Leuven. Instituut voor Kern- en Stralingsfysica) ; Dias, T. (KU Leuven. Instituut voor Kern- en Stralingsfysica) ; Geshev, Julian (Instituto de Física, Universidade Federal Do Rio Grande Do sul (UFRGS)) ; López-Barbera, José Francisco (Institut Català de Nanociència i Nanotecnologia) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Steitz, Roland (Helmholtz-Zentrum Berlin für Materialien und Energie GmbH) ; Kirby, Brian (Brian J.) (National Institute of Standards and Technology (Gaithersburg, Estats Units d'Amèrica)) ; Borchers, J. A. (National Institute of Standards and Technology (Gaithersburg, Estats Units d'Amèrica)) ; Pereira, L. M. C. (KU Leuven. Instituut voor Kern- en Stralingsfysica) ; Vantomme, André (KU Leuven, Instituut voor Kern- en Stralingsfysica) ; Temst, Kristiaan (KU Leuven, Instituut voor Kern- en Stralingsfysica)
The interdependence between training and magnetization reversal in granular Co-CoO exchange bias (EB) systems prepared by O ion implantation in Co thin films is demonstrated by polarized neutron reflectometry. [...]
2014 - 10.1103/PhysRevB.89.144407
Physical review B : Condensed matter and materials physics, Vol. 89, issue 14 (Sep. 2014) , art. 144407  
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2.
39 p, 934.4 KB Remanence plots as a probe of spin disorder in magnetic nanoparticles / De Toro, José A. (Instituto Regional de Investigación Científica Aplicada) ; Vasilakaki, Marianna (Ethniko Kentro Ereunas Physikōn Epistēmōn "Demokritos") ; Lee, Su Seong (Institute of Bioengineering and Nanotechnology) ; Andersson, Mikael S. (Uppsala University. Department of Engineering Sciences) ; Normile, Peter S. (Instituto Regional de Investigación Científica Aplicada) ; Yaacoub, Nader (Université du Maine. Institut des Molécules et Mateŕiaux du Mans) ; Murray, Peyton D. (University of California. Physics Department) ; Sánchez, Elena H. (Instituto Regional de Investigación Científica Aplicada) ; Muñiz, Pablo (Instituto Regional de Investigación Científica Aplicada) ; Peddis, Davide (Istituto di Struttura della Materia) ; Mathieu, Roland (Uppsala University. Department of Engineering Sciences) ; Liu, Kai (University of California. Physics Department) ; Geshev, Julian (Universidade Federal Do Rio Grande Do sul. Instituto de Física) ; Trohidou, Kalliopi N. (Ethniko Kentro Ereunas Physikōn Epistēmōn "Demokritos") ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia)
Remanence magnetization plots (e. g. , Henkel or δM plots) have been extensively used as a straightforward way to determine the presence and intensity of dipolar and exchange interactions in assemblies of magnetic nanoparticles or single domain grains. [...]
2017 - 10.1021/acs.chemmater.7b02522
Chemistry of materials, Vol. 29, Issue 19 (October 2017) , p. 8258-8268  
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3.
8 p, 1.3 MB Magnetoelectric effect and phase transitions in CuO in external magnetic fields / Wang, Zhaosheng (Helmholtz-Zentrum Dresden-Rossendorf) ; Qureshi, Navid (Institut Laue Langevin) ; Yasin, Shadi (Helmholtz-Zentrum Dresden-Rossendorf) ; Mukhin, Alexander (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Ressouche, Eric (Institute for Nanoscience and Cryogenics. Service de Physique Statistique, Magnétisme et Supraconductivité) ; Zherlitsyn, Sergei (Hochfeld-Magnetlabor Dresden (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf) ; Skourski, Yurii (Helmholtz-Zentrum Dresden-Rossendorf) ; Geshev, Julian (Universitat Autònoma de Barcelona. Departament de Física) ; Ivanov, Vsevolod (Institut obshcheĭ fiziki im. A.M. Prokhorova) ; Gospodinov, Marin (Bulgarian Academy of Sciences. Institute of Solid State Physics) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física)
Apart from being so far the only known binary multiferroic compound, CuO has a much higher transition temperature into the multiferroic state, 230 K, than any other known material in which the electric polarization is induced by spontaneous magnetic order, typically lower than 100 K. [...]
2016 - 10.1038/ncomms10295
Nature communications, Vol. 7 (Jan. 2016) , art. 10295  
Registro completo - Creative Commons
4.
25 p, 524.2 KB Tunable high-field magnetization in strongly exchange-coupled freestanding Co/CoO core/shell coaxial nanowires / Salazar-Alvarez, German (Stockholm University. Department of Materials and Environmental Chemistry) ; Geshev, Julian (Universitat Autònoma de Barcelona. Departament de Física) ; Agramut Puig, Sebastià (Universitat Autònoma de Barcelona. Departament de Física) ; Navau Ros, Carles (Universitat Autònoma de Barcelona. Departament de Física) ; Sánchez Moreno, Álvaro (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia)
The exchange bias properties of Co/CoO coaxial core/shell nanowires have been investigated with cooling and applied fields perpendicular to the wire axis. This configuration leads to unexpected exchange-bias effects. [...]
2016 - 10.1021/acsami.6b05588
ACS applied materials & interfaces, Vol. 8 núm 34 (Agost 2016) , p. 22477-22483  
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5.
7 p, 551.2 KB Discrimination between coupling and anisotropy fields in exchange-biased bilayers / Geshev, Julian (Universidade Federal do Rio Grande do Sul. Instituto de Física) ; Nicolodi, S. (Universidade Federal do Rio Grande do Sul. Instituto de Física) ; Silva, R. B. da (Universidade Federal do Pampa. Centro de Ciências Exatas e Tecnológicas) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física) ; Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física)
In the framework of models that assume planar domain wall formed at the antiferromagnetic part of the interface of exchange-biased bilayers, one cannot distinguish between the cases of high or low ratios between the coupling and the antiferromagnet's anisotropy fields by using hysteresis loop measurement, ferromagnetic resonance, anisotropic magnetoresistance, or ac susceptibility techniques applied on one and the same sample. [...]
2009 - 10.1063/1.3079795
Journal of applied physics, Vol. 105, Núm. 5 (March 2009) , p. 53903-1-053903-6  
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6.
1 p, 112.8 KB Comment on "Exchange Bias Dependence on Interface Spin Alignment in a Ni80Fe20/(Ni,Fe)O Thin Film" / Geshev, Julian (URFGS. Instituto de Física (Porto Alegre, Brazil)) ; Pereira, L. G. (URFGS. Instituto de Física (Porto Alegre, Brazil)) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
2008 - 10.1103/PhysRevLett.100.039701
Physical review letters, Vol. 100, Issue 3 (January 2008) , p. 039701-1  
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