Literatura científica selecionada sobre o tema "Propriétés et matériaux magnétiques"
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Artigos de revistas sobre o assunto "Propriétés et matériaux magnétiques"
Dhalenne, G., L. Trouilleux, J. Jegoudez, A. Revcolevschi, P. Monod, R. Kormann, J. P. Ganne, N. Motohira e K. Kitazawa. "Elaboration, microstructure, propriétés électriques et magnétiques de matériaux textures dans les systèmes Nd-Ce-Cu-O et Bi-Sr-Ca-Cu-O". Journal de Physique III 1, n.º 11 (novembro de 1991): 1805–13. http://dx.doi.org/10.1051/jp3:1991228.
Texto completo da fonteWerner Paulus et Jean Meinnel. "Préface". Journal de Physique IV (Proceedings) 103 (fevereiro de 2003): III—IV. http://dx.doi.org/10.1051/jp4/20030000.
Texto completo da fonteDEGAUQUE, J. "Magnétisme et matériaux magnétiques : introduction". Le Journal de Physique IV 02, n.º C3 (dezembro de 1992): C3–1—C3–13. http://dx.doi.org/10.1051/jp4:1992301.
Texto completo da fontede Bournonville, M. B., D. Bizot, J. Chassaing e M. Quarton. "Structures et propriétés magnétiques de Li2NbF6 et Na2NbF6". Journal of Solid State Chemistry 62, n.º 2 (abril de 1986): 212–19. http://dx.doi.org/10.1016/0022-4596(86)90234-3.
Texto completo da fonteJanot, Chr. "Les amorphes métalliques et leurs propriétés magnétiques". Revue de Physique Appliquée 21, n.º 11 (1986): 635–47. http://dx.doi.org/10.1051/rphysap:019860021011063500.
Texto completo da fonteBen Salk, S., E. Pallecchi, V. Hoel e H. Happy. "Croissance et caractérisation de graphène au Pôle CNFM de Lille". J3eA 18 (2019): 1003. http://dx.doi.org/10.1051/j3ea/20191003.
Texto completo da fonteFnidiki, A., J. Juraszek, J. Teillet, M. Kaabouchi e C. Sella. "Propriétés magnétiques et structurales de multicouches Fe/Ti". Le Journal de Physique IV 06, n.º C7 (novembro de 1996): C7–167—C7–172. http://dx.doi.org/10.1051/jp4:1996720.
Texto completo da fonteBENMOUSSA, A., e C. MICHEL. "Propriétés magnétiques de phosphates et silicophosphates de titane". Annales de Chimie Science des Matériaux 24, n.º 3 (março de 1999): 233–40. http://dx.doi.org/10.1016/s0151-9107(99)80049-x.
Texto completo da fonteGenet, Cyriaque. "Chiralité et optique plasmonique". Reflets de la physique, n.º 76 (setembro de 2023): 4–10. http://dx.doi.org/10.1051/refdp/202376004.
Texto completo da fonteCouty, Marc. "Structure multiéchelles et propriétés des matériaux du pneu". Reflets de la physique, n.º 12 (dezembro de 2008): 12–15. http://dx.doi.org/10.1051/refdp/2008029.
Texto completo da fonteTeses / dissertações sobre o assunto "Propriétés et matériaux magnétiques"
Folcke, Emeric. "Structure et magnétisme d'alliages nanostructurés FePt et FeAu". Rouen, 2013. http://www.theses.fr/2013ROUES054.
Texto completo da fonteThis thesis focuses on synthesis and characterization of FePt and FeAu nanostructured equiatomic alloys, in the search for new functional alloys for magnetic recording. First, the FePt alloy has been investigated as thin layers (thickness 100 nm). The effects of thermal annealing and Pb heavy ion irradiation (900 MeV) on the degree of crystallographic order and, therefore, on the magnetic properties were studied. Second, ordered FePt nanoparticles of about 5 nm in diameter were obtained and analysed by atom probe tomography. We also investigated both structural and magnetic nanoparticles of FeAu nanoparticles, less than 10 nm in size, coated or not in a metal matrix. The structural diversity of the nanoparticles was demonstrated by transmission electron microscopy. This diversity is accompanied by a variety of magnetic behaviours, revealed by the presence of the metal matrix. The influence of a structural change, obtained after thermal annealing or Pb heavy ion irradiation was also studied. This work highlighted the importance of the degree of structural order of FePt and FeAu phases on their magnetic properties. We also showed the influence of the matrix coating the nanoparticles on their structural and magnetic properties. We showed the existence of an anisotropic exchange coupling between nanoparticles dispersed in a metal matrix. The existence of this coupling has been correlated with the presence of different magnetic behaviours in relation with the dispersion of crystallinity
Vitucci, Francesco Maria. "Propriétés optiques et magnétiques de matériaux multiferroïques : gaFeO3 et LuFe2O4". Thesis, Tours, 2010. http://www.theses.fr/2010TOUR4017/document.
Texto completo da fonteWe present a contribution to the study of structural, electronic and magnetic propertiesof multiferroic compounds. These materials – characterized by the coexistence and coupling of different types of long-range orders, such as magnetic and ferroelectic – have recently become a subject of great importance because of their academic interest and their significance for potential applications. In this context we have studied the two compounds GaFeO₃ and LuFe₂O₄. The study involved the use of several techniques : electronic spin resonance (ESR), magnetic measurements by magnetometry and infrared spectroscopy (IR).Local and macroscopic magnetic measurements reveal an anomalous paramagnetic phase in GaFeO3. This is attributed to the existence of short-range magnetic correlations in a wide temperature range above the ordering temperature. On the other hand, the analysis of IR phonon spectra recorded at different temperatures (10 ≤ T ≤ 1000 K) shows that the ordering of magnetic moments does not affect the structural properties of GaFeO₃ For LuFe₂O₄, conversely, the magnetic degrees of freedom are coupled to the structural properties via the charge ordering of Fe³+/Fe²+ ions, as suggested by ESR and IR spectroscopy
Setifi, Fatima. "Synthèse, structures et propriétés physiques de matériaux moléculaires conducteurs et magnétiques". Rennes 1, 2003. http://www.theses.fr/2003REN10030.
Texto completo da fonteDos, Santos Maria Elenice. "Mise en forme et propriétés magnétiques de manganites multiferroïques". Phd thesis, Université Rennes 1, 2014. http://tel.archives-ouvertes.fr/tel-01059303.
Texto completo da fonteBan, Voraksmy. "Matériaux magnétoréfrigérants à large zone de travail". Thesis, Nancy 1, 2011. http://www.theses.fr/2011NAN10005/document.
Texto completo da fonteThe global warming by its scale and its complexity puts several questions on the future of our planet. One of the ways proposed to slow down this process is the reduction of the production of greenhouse gases. The domains of the refrigeration try to be renewed to answer the new ecological standards and one of the most promising alternatives is the magnetic refrigeration based on the magnetocaloric effect. This report concerns the research of new magnetorefrigerants with large temperature span and joins directly in this environmental and economic stake which aims at replacing the classic systems of refrigeration in a near future. At first, this research works focused on Gd-Tb alloys: various nuances of these alloys would allow to widen the temperature range. Their magnetocaloric properties were determined and a first study on their behavior in corrosion was begun in various coolants. Finally, the optimization of their shaping was realized for their use in the prototype of Cooltech Applications company. Secondly, we studied single-phase compounds as derivatives of Mn3GaC or Mn3Sn2 which present several successive magnetic transitions and thus a large temperature span. A lot of substitutions were simultaneously realized on the Mn and Sn sites of the compound Mn3Sn2 continuing the works led within the team on Mn3Sn2 and its derivatives since 2006
Bounour-Bouzamouche, Wafa. "Matériaux hybrides nanotubes de carbone/ferromagnétiques : élaboration et propriétés magnétiques statiques". Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCD095/document.
Texto completo da fonteHybrid materials as carbon nanotubes filled with ferromagnetic materials (FMCNT) have great potential for spintronic applications. Their magnetic properties strongly depend on their density,orientation and filling efficiency. Two preparation methods of (FMNTC) were used: i) ex-situ synthesis where mechanical opening of the nanotubes produced by electrical arc is first achieved and in-situ during the synthesis by electrical arc discharge, ii) synthesis by chemical vapor deposition enhanced by plasma (PECVD) in the presence of cobalt Co and Co / Pd catalysts. Our results showed that the arc in-situ approach is more effective especially with the addition of a filling promoter such as yttrium (Y) and sulfur (S). Different proportions of catalyst were varied and their influence on the yield of hybrid nanotubes studied. The quality and quantity of obtained nanotubes as well as their yields and magnetic properties were improved. The PECVD synthesis revealed that the addition of a thin layer of palladium (~6 nm) as a co catalyst with the cobalt leads to a significant improvement inthe density of the filler and the alignment of the nanotubes. Magnetic measurements thereby demonstrated the contribution of a shape anisotropy that can be associated with a better geometric orientation of the nanotubes to the substrate
Mallet, Jérémy. "Electrodéposition et propriétés magnétiques de nanofils d'alliage CoxPt1-x". Reims, 2004. http://theses.univ-reims.fr/exl-doc/GED00000023.pdf.
Texto completo da fonteThe constant drive in the fabrication of magnetic recording media to increase the aerial density has implied to use another storage process such as perpendicular recording. To this end, new materials with strong perpendicular anisotropy, high coercive field and nanoscaled grain size are required. CoxPt1-x alloy is an excellent candidate due to the large magnetocrystalline anisotropy associated with its ordered face centred tetragonal phase (L10). CoxPt1-x nanowires have been electrodeposited into the nanopores of two different substrates: polycarbonate membranes or alumina membranes supported on doped Si wafers. The properties of the nanowires have been studied in both their as-deposited and annealed states. The crystalline structure and alloying composition have been systematically analyzed by X-Ray diffraction, TEM and EDX. The magnetic properties have been measured by VSM and SQUID magnetometers. The as-deposited nanowires have a metastable fcc structure and exhibit a quite hard ferromagnetic behavior. Magnetic characteristics, such as saturated magnetization, coercive field or magnetic reversal process, have been determined. The annealed nanowires can show different crystalline structures (fcc, L10 or L12) depending on both the alloy composition and the heat treatment processing. Influence of several factors on the magnetic properties of the nanowires, such as substrate nature, annealing conditions and measurement temperature, has been investigated. Very promising results were obtained with nanowires of 80 nm in diameter embedded in the alumina membrane, which exhibit a coercive field higher than 10 kOe at room temperature
Gout, Delphine. "Relations entre propriétés optiques et structures électroniques dans de nouveaux matériaux des familles Ln-M-S-X (Ln=La, Ce, M=P, Si, Ge, Sb et X=Cl, Br, I)". Nantes, 2000. http://www.theses.fr/2000NANT2121.
Texto completo da fonteThe aim of this work was the study of cerium and lanthanum compounds belonging to the Ln-M-Q-X, Ln-P-Q and Ln-Sb-S-Br (Ln=La, Ce, M=Si, Ge, X=Cl, Br, I) systems. These compounds present a rich structural chemistry and widely varying physical properties related to a high coordination number of the LnIII cations and the occurrence of very localized 4f orbitals
Bloyet, Clarisse. "Métallophosphates bidimensionnels luminescents et magnétiques : relation structure-propriétés". Thesis, Normandie, 2018. http://www.theses.fr/2018NORMC241/document.
Texto completo da fonteThis PhD work deals with the study of new lamellar magnetic and luminescent organic-inorganic hybrid materials synthesized by hydrothermal process. These materials were obtained from 3d transition metal salts (Cu2+, Co2+, Mn2+, Zn2+) and low symmetric organic molecules bearing at least one phosphonic acid function grafted onto a rigid aromatic platform (phenyl or naphthalene). The choice of the metal cation as well as additional functions (halogen: F, Cl, Br, I, carboxylic acid or methyl) on these cyclic systems led to two-dimensional hybrid materials with various architectures and physical properties (luminescence, magnetism and/or magnetoelectric coupling). Understanding the interconnections between the structural and physical properties of these metal phosphonates paves the way for the design of novel multifunctional materials
Rache, Salles Benjamin. "Propriétés magnétiques, électriques et structurales et transport polarisé en spin dans des structures hybrides MnAs-GaAs". Paris 6, 2010. http://www.theses.fr/2010PA066328.
Texto completo da fonteLivros sobre o assunto "Propriétés et matériaux magnétiques"
Moliton, André. Électronique et photo-électronique des matériaux et composants: Électronique des matériaux. Paris: Hermes Science publ., 2009.
Encontre o texto completo da fonteKalmus, Herbert T. Les propriétés magnétiques du cobalt et du FEp2sCO. Ottawa: Impr. du Gouvernement, 1997.
Encontre o texto completo da fonteWhite, Mary Anne. Properties of materials. New York: Oxford University Press, 1999.
Encontre o texto completo da fonteBerthelot, J. M. Matériaux composites: Comportement mécanique et analyse des structures. Paris: Masson, 1992.
Encontre o texto completo da fonteDoubrère, Jean-Claude. Résistance des matériaux: Cours et exercices corrigés. Paris: Eyrolles, 2010.
Encontre o texto completo da fonteChalmers, Bruce. Structure et propriétés des solides: Introduction à la science des matériaux. Paris: Masson, 1987.
Encontre o texto completo da fonteGibson, Lawrence. Rapport de recherche de la Société canadienne d'hypothèques et de logement (SCHL): Systèmes de finition et d'isolation extérieurs : évaluation en laboratoire de matériaux et de joints exposés à des conditions contrôlées, le 26 janvier 1995. Ottawa, Ont: Société canadienne d'hypothèques et de logement, 1995.
Encontre o texto completo da fonteIntroduction to frustrated magnetism: Materials, experiments, theory. Berlin: Springer, 2011.
Encontre o texto completo da fonteGary, Cross, ed. What's it like? Markham, Ont: Scholastic Canada, 2000.
Encontre o texto completo da fonte1958-, Bland A., e Heinrich B. 1940-, eds. Ultrathin magnetic structures. Berlin: Springer, 1994.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Propriétés et matériaux magnétiques"
Lewin, Mathieu. "Opérateurs de Schrödinger périodiques et propriétés électroniques des matériaux". In Théorie spectrale et mécanique quantique, 247–75. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-93436-1_7.
Texto completo da fonteJAMET, Matthieu, Diogo C. VAZ, Juan F. SIERRA, Josef SVĚTLÍK, Sergio O. VALENZUELA, Bruno DLUBAK, Pierre SENEOR, Frédéric BONELL e Thomas GUILLET. "La spintronique bidimensionnelle". In Au-delà du CMOS, 155–213. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9127.ch5.
Texto completo da fonteŠČETAR, Mario. "Les matériaux plastiques". In Matériaux et procédés d’emballage pour les industries alimentaires, cosmétiques et pharmaceutiques, 127–53. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9039.ch5.
Texto completo da fonteŠČETAR, Mario. "Matériaux d’emballage multicouches". In Matériaux et procédés d’emballage pour les industries alimentaires, cosmétiques et pharmaceutiques, 155–68. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9039.ch6.
Texto completo da fonte"1. Introduction Matériaux et nanomatériaux : propriétés, élaboration". In De la solution à l'oxyde, 1–18. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1959-1-003.
Texto completo da fonte"1. Introduction Matériaux et nanomatériaux : propriétés, élaboration". In De la solution à l'oxyde, 1–18. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1959-1.c003.
Texto completo da fonteCHARKALUK, Éric. "Les propriétés d’usage des pièces élaborées par fabrication additive". In La fabrication additive des alliages métalliques 2, 169–262. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9055.ch3.
Texto completo da fontePlanel, R. "Propriétés optiques des semi-conducteurs et de leurs hétérostructures". In L'optique non linéaire et ses matériaux, 1–72. EDP Sciences, 2001. http://dx.doi.org/10.1051/978-2-7598-0194-7.c002.
Texto completo da fontePAREIGE, Philippe, e Christophe DOMAIN. "Les alliages métalliques". In Les matériaux du nucléaire sous irradiation, 51–90. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9148.ch2.
Texto completo da fonteDEBEAUFORT, Frédéric. "Papiers et cartons". In Matériaux et procédés d’emballage pour les industries alimentaires, cosmétiques et pharmaceutiques, 41–67. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9039.ch2.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Propriétés et matériaux magnétiques"
Planel, R. "Propriétés optiques des semi-conducteurs et de leurs hétérostructures". In L'optique non linéaire et ses matériaux. Les Ulis, France: EDP Sciences, 1998. http://dx.doi.org/10.1051/sfo/1998009.
Texto completo da fonteMangin, Jacques. "Métrologie des propriétés optiques de matériaux massifs : absorption résiduelle, coefficients thermo-optiques, piézo-électriques et électro-optiques". In Élaboration et caractérisation des cristaux massifs et en couches minces pour l'optique. Les Ulis, France: EDP Sciences, 2003. http://dx.doi.org/10.1051/bib-sfo:2002811.
Texto completo da fontePocholle, J. P. "Propriétés optiques des matériaux semiconducteurs à puits quantiques et applications dans le domaine du traitement du signal". In Optoélectronique (Volume 1). Les Ulis, France: EDP Sciences, 1990. http://dx.doi.org/10.1051/sfo/1990006.
Texto completo da fonteMagnaudeix, Amandine, e Eric Champion. "Développement de céramiques pour l'ingénierie tissulaire osseuse : de la synthèse de matériaux à l’évaluation biologique". In Les journées de l'interdisciplinarité 2022. Limoges: Université de Limoges, 2022. http://dx.doi.org/10.25965/lji.301.
Texto completo da fonte