Resultados globales: 9 registros encontrados en 0.02 segundos.
Artículos, Encontrados 9 registros
Artículos Encontrados 9 registros  
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  
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)  
3.
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  
4.
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  
5.
4 p, 289.5 KB Room-temperature coercivity enhancement in mechanically alloyed antiferromagnetic-ferromagnetic powders / Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; Amils Capdevila, Xavier (Universitat Autònoma de Barcelona. Departament de Física) ; Suriñach, Santiago (Suriñach Cornet) (Universitat Autònoma de Barcelona. Departament de Física) ; Muñoz Domínguez, Juan Santiago (Universitat Autònoma de Barcelona. Departament de Física) ; Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física)
The coercivity,HC, and squareness of Co powders have been enhanced at room temperature by mechanically alloying them with antiferromagneticpowders with Néel temperature, TN, above room temperature. The enhancement is maximum after field annealing above TN. [...]
1999 - 10.1063/1.125269
Applied physics letters, Vol. 75, Issue 20 (November 1999) , p. 3177-3179  
6.
4 p, 295.3 KB Coercivity and squareness enhancement in ball-milled hard magnetic-antiferromagnetic composites / Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; Suriñach, Santiago (Suriñach Cornet) (Universitat Autònoma de Barcelona. Departament de Física) ; Muñoz Domínguez, Juan Santiago (Universitat Autònoma de Barcelona. Departament de Física) ; Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física) ; Chappel, E. (Laboratoire National de Champs Magnétiques Intenses) ; Dupont, F. (Laboratoire National de Champs Magnétiques Intenses) ; Chouteau, G. (Laboratoire National de Champs Magnétiques Intenses)
The room-temperature coercivity,HC, and squareness, MR/MS (remanence/saturation magnetizations), of permanent magnet,SmCo5powders have been enhanced by ball milling with antiferromagnetic NiO (with Néel temperature, TN=590 K). [...]
2001 - 10.1063/1.1392308
Applied physics letters, Vol. 79, Issue 8 (June 2001) , p. 1142-1144  
7.
4 p, 399.7 KB High-coercivity ultralight transparent magnets / Gich García, Martí (Institut de Ciència de Materials de Barcelona) ; Roig i Serra, Anna (Institut de Ciència de Materials de Barcelona) ; American Physical Society
Magnetic silica-aerogel composites have been synthesized by dispersing hard magnetic Nd2Fe14B particles in a sol during a fast sol-gel process and subsequently supercritically drying the resulting gels. [...]
2003 - 10.1063/1.1578538
Applied physics letters, Vol. 82, Issue 24 (June 2003) , p. 4307-4309  
8.
4 p, 70.8 KB Coercivity enhancement in exchange biased systems driven by interfacial magnetic frustration / Leighton, C. (University of California, San Diego. Department of Physics) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; Jönsson-Akerman, B. J. (University of California, San Diego. Department of Physics) ; Schuller, Ivan K. (University of California, San Diego. Department of Physics) ; American Physical Society
We report the temperature and cooling field dependence of the coercivity of exchange biased MnF2/Fe bilayers. When the antiferromagnetic surface is in a state of maximum magnetic frustration and the net exchange bias is zero, we observe a strong enhancement of the coercivity, which is proportional to the exchange coupling between the layers. [...]
2000 - 10.1103/PhysRevLett.84.3466
Physical review letters, Vol. 84, Issue 15 (April 2000) , p. 3466-3469  
9.
4 p, 822.3 KB Nanostructured MnGa films on Si/SiO2 with 20.5 kOe room temperature coercivity / Zha, Chaolin (Kungl. Tekniska högskolann. Materialfysik) ; Dumas, Randy K. (University of Gothenburg. Department of Physic) ; Lau, J. W. (National Institute of Standards and Technology (U.S.). Metallurgy Division) ; Mohseni, S. M. (Kungl. Tekniska högskolann. Materialfysik) ; Sani, Sohrab R. (Kungl. Tekniska högskolann. Materialfysik) ; Golosovsky, I. V. (Peterburgskiĭ institut i︠a︡dernoĭ fiziki im. B.P. Konstantinova.) ; Monsen, A. F. (Norges Teknisk-Naturvitenskapelige Universitet. Department of Physics) ; Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ; Åkerman, Johan (Kungl. Tekniska högskolann. Materialfysik)
Nanostructured Mn67Ga33 films exhibiting high room temperature coercivity (HC = 20. 5 kOe) have been prepared by sputtering onto thermally oxidized Si substrates. Both the morphology and the coercivity of the films can be tuned by varying the growth parameters. [...]
2011 - 10.1063/1.3656457
Journal of applied physics, Vol. 110, Núm. 9 (Nov. 2011) , p. 093902/1-093902/4  

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