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Resultats globals: 8 registres trobats en 0.02 segons.
Articles, 8 registres trobats
Articles 8 registres trobats  
1.
24 p, 1.1 MB High magnetic coercivity in nanostructured Mn3O4 thin films obtained by chemical vapor deposition / Bigiani, Lorenzo (Università degli studi di Padova. Dipartimento di Scienze Chimiche) ; Hassan, Mariam (Università Politecnica delle Marche. Dipartimento di Scienze della Materia e Ingegneria, Ambiente e Urbanistica) ; Peddis, Davide (Consiglio nazionale delle ricerche. Istituto di Struttura della Materia) ; Maccato, Chiara (Università degli studi di Padova. Dipartimento di Scienze Chimiche) ; Varvaro, Gaspare (Consiglio nazionale delle ricerche. Istituto di Struttura della Materia) ; Sada, Cinzia (Università degli studi di Padova. Dipartimento di Fisica e Astronomia) ; Bontempi, Elza (Università degli Studi di Brescia. Dipartimento di Ingegneria Meccanica e Industriale) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Barreca, Davide (Università degli studi di Padova. Dipartimento di Scienze Chimiche)
Nanostructured α-MnO (haussmannite) thin films consisting of evenly interconnected nanoaggregates were prepared on Si(100) substrates by chemical vapor deposition from a Mn(II) diketonate-diamine precursor under different reaction atmospheres (dry vs wet O) and total operating pressures. [...]
2019 - 10.1021/acsanm.9b00141
ACS applied nano materials, Vol. 2, issue 3 (March 2019) , p. 1704-1712  
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2.
134 p, 986.7 KB Coercivity for travelling waves in the Gross-Pitaevskii equation in R2 for small speed / Chiron, David (Université de Nice-Sophia Antipolis. Laboratoire de Mathématiques J. A. Dieudonné) ; Pacherie, Eliot (Université de Nice-Sophia Antipolis. Laboratoire de Mathématiques J. A. Dieudonné)
In a previous paper, we constructed a smooth branch of travelling waves for the 2-dimensional Gross-Pitaevskii equation. Here, we continue the study of this branch. We show some coercivity results, and we deduce from them the kernel of the linearized operator, a spectral stability result, as well as a uniqueness result in the energy space. [...]
2023 - 10.5565/PUBLMAT6712307
Publicacions matemàtiques, Vol. 67 Núm. 1 (2023) , p. 277-410 (Articles)  
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3.
7 p, 3.5 MB Preparation and characterization of magnetic composites based on a natural zeolite / GutiéRrez, Marlen (Center for the Development of Nanoscience and Nanotechnology. CEDENNA) ; Escudey, Mauricio (Center for the Development of Nanoscience and Nanotechnology. CEDENNA) ; Escrig, Juan (Center for the Development of Nanoscience and Nanotechnology. CEDENNA) ; Denardin, Juliano C. (Center for the Development of Nanoscience and Nanotechnology. CEDENNA) ; Altbir, Dora (Center for the Development of Nanoscience and Nanotechnology. CEDENNA) ; Fabris, Jose D. (Universidade Federal de Minas Gerais. Departmento de Química) ; Cavalcante, Luis C. D. (Universidade Federal de Minas Gerais. Departmento de Química) ; García-GonzáLez, María Teresa (Consejo Superior de Investigaciones Científicas (Espanya). Instituto de Ciencias Agrarias)
A magnetic composite was prepared by wet-impregnating a powder of a natural zeolite with a magnetic Fe oxide-containing synthetic material. Both starting materials were first characterized with X-ray diffraction, scanning electron microscopy, Mössbauer spectroscopy, and by isoelectric-point using vibrating-sample magnetometry. [...]
2010 - 10.1346/CCMN.2010.0580501
Clays and Clay Minerals, Vol. 58, Núm. 5 (2010) , p. 589-595  
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4.
21 p, 1.9 MB Unveiling a New High-Temperature Ordered Magnetic Phase in ϵ-Fe2O3 / García-Muñoz, José Luis (Institut de Ciència de Materials de Barcelona) ; Romaguera, Arnau (Institut de Ciència de Materials de Barcelona) ; Fauth, François (ALBA Laboratori de Llum de Sincrotró) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Gich García, Martí (Institut de Ciència de Materials de Barcelona)
Iron oxides are among the most abundant materials on Earth, and yet there are some of their basic properties which are still not well-established. Here, we present temperature-dependent magnetic, X-ray, and neutron diffraction measurements refuting the current belief that the magnetic ordering temperature of ϵ-FeO is ∼500 K, i. [...]
2017 - 10.1021/acs.chemmater.7b03417
Chemistry of materials, Vol. 29, Issue 22 (November 2017) , p. 9705-9713  
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5.
8 p, 813.8 KB Maximizing Exchange Bias in Co/CoO Core/Shell Nanoparticles by Lattice Matching between the Shell and the Embedding Matrix / Gonzalez, Juan Antonio (Instituto Regional de Investigación Científica Aplicada) ; Andrés González, Juan Pedro (Instituto Regional de Investigación Científica Aplicada) ; López Antón, Ricardo (Instituto Regional de Investigación Científica Aplicada) ; De Toro, José A. (Instituto Regional de Investigación Científica Aplicada) ; Normile, Peter S. (Instituto Regional de Investigación Científica Aplicada) ; Muñiz, Pablo (Instituto Regional de Investigación Científica Aplicada) ; Riveiro, J. Manuel (Instituto Regional de Investigación Científica Aplicada) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia)
The exchange bias properties of 5 nm Co/CoO ferromagnetic/antiferromagnetic core/shell nanoparticles, highly dispersed in a CuO matrix, have been optimized by matching the lattice parameter of the matrix with that of the CoO shell. [...]
2017 - 10.1021/acs.chemmater.7b00868
Chemistry of materials, Vol. 29, Issue 12 (June 2017) , p. 5200-5206  
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6.
8 p, 2.1 MB Coercivity Modulation in Fe-Cu Pseudo-Ordered Porous Thin Films Controlled by an Applied Voltage : A Sustainable, Energy-Efficient Approach to Magnetoelectrically Driven Materials / Dislaki, Evangelia (Universitat Autònoma de Barcelona. Departament de Física) ; Robbennolt, Shauna (Universitat Autònoma de Barcelona. Departament de Física) ; Campoy-Quiles, Mariano (Institut de Ciència de Materials de Barcelona) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Fe-Cu films with pseudo-ordered, hierarchical porosity are prepared by a simple, two-step procedure that combines colloidal templating (using sub-micrometer-sized polystyrene spheres) with electrodeposition. [...]
2018 - 10.1002/advs.201800499
Advanced science, Vol. 5, Issue 8 (August 2018) , art. 1800499  
Registre complet - Creative Commons
7.
30 p, 2.4 MB Voltage-induced coercivity reduction in nanoporous alloy films : a boost towards energy-efficient magnetic actuation / Quintana Puebla, Alberto (Universitat Autònoma de Barcelona. Departament de Física) ; Zhang, Jin (Universitat Autònoma de Barcelona. Departament de Física) ; Isarain-Chávez, Eloy. (Universitat Autònoma de Barcelona. Departament de Física) ; Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Cuadrado, Ramón (Institut Català de Nanociència i Nanotecnologia) ; Robles, Roberto (Institut Català de Nanociència i Nanotecnologia) ; Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física) ; Guerrero, Miguel (Universitat Autònoma de Barcelona. Departament de Física) ; Pané i Vidal, Salvador (Institute of Robotics and Intelligent Systems (Zurich, Suïssa)) ; Nelson, Bradley J. (ETH Zurich. Multi-Scale Robotics Laboratory) ; Muller Jevenois, Carlos (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ; Ordejon, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Magnetic data storage and magnetically actuated devices are conventionally controlled by magnetic fields generated using electric currents. This involves significant power dissipation by Joule heating effect. [...]
2017 - 10.1002/adfm.201701904
Advanced functional materials, Vol. 27, issue 32 (Aug. 2017) , art. 1701904  
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8.
14 p, 612.0 KB Perturbation analysis of a condition number for convex inequality systems and global error bounds for analytic systems / Sien, Deng
In this paper several types of perturbations on a convex inequality system are considered, and conditions are obtained for the system to be well-conditioned under these types of perturbations, where the well-conditionedness of a convex inequality system is defined in terms of the uniform boundedness of condition numbers under a set of perturbations. [...]
1998
Mathematical Programming, vol. 83 n. 2 (1998) p. 263-276  
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