Search Results - "Lüders, U"

Thickness dependence of dielectric properties in sub-nanometric Al2O3/ZnO laminates by Upadhyay, M., Ben Elbahri, M., Mezhoud, M., Coq Germanicus, R., Lüders, U.

“…•Al2O3/ZnO laminates with sub-nanometric individual layer thickness were prepared.•A dielectric constant of 200 is achieved, exploiting the Maxwell-Wagner…”
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Electric-field control of exchange bias in multiferroic epitaxial heterostructures by Laukhin, V, Skumryev, V, Martí, X, Hrabovsky, D, Sánchez, F, García-Cuenca, M V, Ferrater, C, Varela, M, Lüders, U, Bobo, J F, Fontcuberta, J

“…The magnetic exchange between epitaxial thin films of the multiferroic (antiferromagnetic and ferroelectric) hexagonal YMnO3 oxide and a soft ferromagnetic…”
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The role of oxygen vacancies on the weak localization in LaNiO3-δ epitaxial thin films by Walke, P., Gupta, S., Li, Q.R., Major, M., Donner, W., Mercey, B., Lüders, U.

“…We report on the analysis of weak localization observed in epitaxial films of LaNiO3-δ deposited coherently on SrTiO3 (001) substrates using different oxygen…”
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Manganite-based three level memristive devices with self-healing capability by Acevedo, W. Román, Rubi, D., Lecourt, J., Lüders, U., Gomez-Marlasca, F., Granell, P., Golmar, F., Levy, P.

“…•Three-level manganite memristive devices on silicon were fabricated.•Using current as the electrical stimulus unveils an intermediate resistance state.•A…”
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Spin filtering through ferrimagnetic NiFe2O4 tunnel barriers by Lüders, U., Bibes, M., Bouzehouane, K., Jacquet, E., Contour, J.-P., Fusil, S., Bobo, J.-F., Fontcuberta, J., Barthélémy, A., Fert, A.

“…We report experiments of spin-filtering through ultrathin insulating layers of the high Curie temperature ferrimagnetic oxide NiFe2O4 (NFO). The spin-filtering…”
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Magnetoelectric coupling in Pb(Zr,Ti)O3—Galfenol thin film heterostructures by More-Chevalier, J., Lüders, U., Cibert, C., Nosov, A., Domengès, B., Bouregba, R., Poullain, G.

“…Heterostructures of piezoelectric Pb(Zr,Ti)O3 and magnetostrictive Galfenol were fabricated by sputtering and pulsed laser deposition on platinized Si…”
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Anisotropic magnetocaloric effect in all-ferromagnetic ( La 0.7 Sr 0.3 MnO 3 / SrRuO 3 ) superlattices by Thota, S., Zhang, Q., Guillou, F., Lüders, U., Barrier, N., Prellier, W., Wahl, A., Padhan, P.

“…We exploit the magnetic interlayer coupling in La 0.7 Sr 0.3 MnO 3 / SrRuO 3 superlattices to realize a crossover between inverse and conventional magnetic…”
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NiFe2O4: A Versatile Spinel Material Brings New Opportunities for Spintronics by Lüders, U., Barthélémy, A., Bibes, M., Bouzehouane, K., Fusil, S., Jacquet, E., Contour, J.-P., Bobo, J.-F., Fontcuberta, J., Fert, A.

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Strain-induced stabilization of new magnetic spinel structures in epitaxial oxide heterostructures by Rigato, F., Estradé, S., Arbiol, J., Peiró, F., Lüders, U., Martí, X., Sánchez, F., Fontcuberta, J.

“…We report here on the growth of NiFe 2O 4 epitaxial thin films of different thickness (3 nm ≤ t ≤ 32 nm) on single crystalline substrates having spinel (MgAl…”
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Isothermal tuning of exchange bias using pulsed fields by Nogués, J., Sort, J., Suriñach, S., Muñoz, J. S., Baró, M. D., Bobo, J. F., Lüders, U., Haanappel, E., Fitzsimmons, M. R., Hoffmann, A., Cai, J. W.

“…Exchange bias, HE, and coercivity, HC, of antiferromagnetic (AFM)/ferromagnetic bilayers can be adjusted, after deposition, at temperatures below the Néel…”
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Optical and electrical properties of the transparent conductor SrVO3 without long-range crystalline order by Boileau, A., Cheikh, A., Fouchet, A., David, A., Escobar-Galindo, R., Labbé, C., Marie, P., Gourbilleau, F., Lüders, U.

“…It has been shown recently that the perovskite oxide SrVO3 is a transparent conductor with optical and electrical properties outreaching those of the most used…”
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Growth and magnetic properties of CoCr2O4 epitaxial films by Lüders, U, Sánchez, F, Fontcuberta, J

“…Epitaxial spinel CoCr2O4 (CCO) thin films have been grown by rf magnetron sputtering on rocksalt MgO and spinel MgAl2O4 substrates. Structural and magnetic…”
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Exchange bias and perpendicular anisotropy study of ultrathin Pt–Co–Pt–IrMn multilayers sputtered on float glass by Laval, M., Lüders, U., Bobo, J.F.

“…We have prepared ultrathin Pt–Co–Pt–IrMn polycrystalline multilayers on float-glass substrates by DC magnetron sputtering. We have determined the optimal set…”
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Initial stages in the growth of {111}-faceted CoCr2O4 clusters: mechanisms and strained nanometric pyramids by LÜDERS, U, SANCHEZ, F, FONTCUBERTA, J

“…The epitaxial growth of ferrimagnetic CoCr2O4 films on MgAl2O4(001) results in self-organized {111}-faceted pyramids and hut clusters having base dimensions…”
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Failure of a brittle layer on a ductile substrate: Nanoindentation experiments and FEM simulations by Rusinowicz, M., Parry, G., Volpi, F., Mercier, D., Eve, S., Lüders, U., Lallemand, F., Choquet, M., Braccini, M., Boujrouf, C., Hug, E., Coq Germanicus, R., Verdier, M.

“…Functional devices such as microelectronic systems, solar cells and power devices are composed of complex stacks of various materials, including…”
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Enhancing implant performance: 20% reduction in Pseudomonas aeruginosa bacterial initial formation with Cu0.75Ti0.25O2 coating by Yadav, A., Pradhan, S., Khokhlova, M., El Khaloufi, O., Khong, N. Z. J., Lai, S. K., Fouchet, A., David, A., Lüders, U., Li, H.-Y., Rao, M. S. R., Prellier, W.

“…Bacteria are commonly found in various environmental sources, such as soil and water. Among the different bacterial species, Pseudomonas aeruginosa is…”
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NiFe2O4 and Fe3O4 studied by XMCD and resonant photoemission by RICHTER, M. C, MARIOT, J.-M, HRICOVINI, K, HECKMANN, O, KJELDGAARD, L, MUN, B. S, FADLEY, C. S, LÜDERS, U, BOBO, J.-F, DE PADOVA, P, TALEB-IBRAHIMI, A

“…X-ray magnetic circular dichroism and resonant photoemission at the Fe and Ni L-2,L-3 edges have been used to investigate the electronic structure of NiFe2O4…”
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Structure of buffer CeO2 and LaNiO3 layers prepared by method of pulsed laser deposition on textured Ni-Cr-W substrates by Nosov, A. P., Krinitsina, T. P., Kuznetsova, E. I., Blinova, Yu. V., Sudareva, S. V., Rodionov, D. P., Degtyarev, M. V., Romanov, E. P., Vasil’ev, V. G., Vladimirova, E. V., Walke, P., Lüders, U., Davydov, D. I.

“…The results of an investigation of the structure, composition, and topography of the surface of buffer layers of CeO 2 , LaNiO 3 , and CeO 2 + LaNiO 3 on…”
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Tuning the electronic properties at the surface of BaBiO3 thin films by Ferreyra, C., Guller, F., Marchini, F., Lüders, U., Albornoz, C., Leyva, A. G., Williams, F. J., Llois, A. M., Vildosola, V., Rubi, D.

“…The presence of 2D electron gases at surfaces or interfaces in oxide thin films remains a hot topic in condensed matter physics. In particular, BaBiO3 appears…”
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mbox{\sffamily\bfseries NiFe}_{\hbox{\sffamily\bfseries\fontsize{12}{12}\selectfont 2}}\mbox{\sffamily\bfseries O}_{\hbox{\sffamily\bfseries\fontsize{12}{12}\selectfont 4}}$ and $\mbox{\sffamily\bfseries Fe}_{\hbox{\sffamily\bfseries\fontsize{12}{12}\selectfont 3}}\mbox{\sffamily\bfseries O}_{\hbox{\sffamily\bfseries\fontsize{12}{12}\selectfont 4}}$ studied by XMCD and resonant photoemission by Richter, M. C., Mariot, J.-M., Heckmann, O., Kjeldgaard, L., Mun, B. S., Fadley, C. S., Lüders, U., Bobo, J.-F., De Padova, P., Taleb-Ibrahimi, A., Hricovini, K.

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