Search Results - "Cezar, J. C."

Quantum tunnelling of the magnetization in a monolayer of oriented single-molecule magnets by Sessoli, R, Mannini, M, Pineider, F, Danieli, C, Totti, F, Sorace, L, Sainctavit, Ph, Arrio, M.-A, Otero, E, Joly, L, Cezar, J. C, Cornia, A

“…A fundamental step towards atomic- or molecular-scale spintronic devices has recently been made by demonstrating that the spin of an individual atom deposited…”
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Magnetism at the interface between ferromagnetic and superconducting oxides by Chakhalian, J, Freeland, J. W, Srajer, G, Strempfer, J, Khaliullin, G, Cezar, J. C, Charlton, T, Dalgliesh, R, Bernhard, C, Cristiani, G, Habermeier, H.-U, Keimer, B

“…Carefully controlled interfaces between two materials can give rise to novel physical phenomena and functionalities not exhibited by either of the constituent…”
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Structure, magnetic ordering, and spin filtering efficiency of NiFe2O4(111) ultrathin films by Matzen, S., Moussy, J.-B., Wei, P., Gatel, C., Cezar, J. C., Arrio, M. A., Sainctavit, Ph, Moodera, J. S.

“…NiFe2O4(111) ultrathin films (3–5 nm) have been grown by oxygen-assisted molecular beam epitaxy and integrated as effective spin-filter barriers. Structural…”
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Direct Quantification of Gold along a Single Si Nanowire by Bailly, A, Renault, O, Barrett, N, Zagonel, L. F, Gentile, P, Pauc, N, Dhalluin, F, Baron, T, Chabli, A, Cezar, J. C, Brookes, N. B

“…The presence of gold on the sidewall of a tapered, single silicon nanowire is directly quantified from core-level nanospectra using energy-filtered…”
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Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) by Ponce, A. S., Parreiras, S. O., Cotta, A. A. C., Gomes, G. F. M., Schio, P., Cezar, J. C., Paniago, R., Gastelois, P. L., Macedo, W. A. A.

“…In this work, we have investigated the magnetic anisotropy of Fe/Co layers epitaxially grown on Cu3Au(001). The ordered Fe/Co thin films were prepared by…”
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Observation of magnetic skyrmions in unpatterned symmetric multilayers at room temperature and zero magnetic field by Brandão, J., Dugato, D. A., Seeger, R. L., Denardin, J. C., Mori, T. J. A., Cezar, J. C.

“…Magnetic skyrmions are promising candidates for the next generation of spintronic devices due to their small size and topologically protected structure. One…”
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Energy-filtered XPEEM with NanoESCA using synchrotron and laboratory X-ray sources: Principles and first demonstrated results by Renault, O., Barrett, N., Bailly, A., Zagonel, L.F., Mariolle, D., Cezar, J.C., Brookes, N.B., Winkler, K., Krömker, B., Funnemann, D.

“…The importance of energy filtering in PEEM-based imaging methods has been shown in recent years with the availability of powerful instruments. A new…”
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Electric field control of magnetic anisotropies and magnetic coercivity in Fe/BaTiO3(001) heterostructures by Brivio, S., Petti, D., Bertacco, R., Cezar, J. C.

“…Magnetoelectric effects in Fe/BaTiO3(001) heterostructures have been investigated via magneto-optical Kerr effect as a function of temperature. We find major…”
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Orbital reconstruction and the two-dimensional electron gas at the LaAlO3/SrTiO3 interface by Salluzzo, M, Cezar, J C, Brookes, N B, Bisogni, V, De Luca, G M, Richter, C, Thiel, S, Mannhart, J, Huijben, M, Brinkman, A, Rijnders, G, Ghiringhelli, G

“…In 2004, Ohtomo and Hwang discovered that an electron gas is created at the interface between insulating LaAlO3 and SrTiO3 compounds. Here we show that the…”
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Spin state transition in LaCoO3 studied using soft x-ray absorption spectroscopy and magnetic circular dichroism by Haverkort, M W, Hu, Z, Cezar, J C, Burnus, T, Hartmann, H, Reuther, M, Zobel, C, Lorenz, T, Tanaka, A, Brookes, N B, Hsieh, H H, Lin, H-J, Chen, C T, Tjeng, L H

“…Using soft x-ray absorption spectroscopy and magnetic circular dichroism at the Co-L(2,3) edge, we reveal that the spin state transition in LaCoO3 can be well…”
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Nanosized superparamagnetic precipitates in cobalt-doped ZnO by OPEL, M, NIELSEN, K.-W, BAUER, S, GOENNENWEIN, S. T. B, CEZAR, J. C, SCHMEISSER, D, SIMON, J, MADER, W, GROSS, R

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Magnetic domain size tuning in asymmetric Pd/Co/W/Pd multilayers with perpendicular magnetic anisotropy by Dugato, D. A., Brandão, J., Seeger, R. L., Béron, F., Cezar, J. C., Dorneles, L. S., Mori, T. J. A.

“…Magnetic multilayers presenting perpendicular magnetic anisotropy (PMA) have great potential for technological applications. On the path to develop further…”
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Spin and orbital Ti magnetism at LaMnO3/SrTiO3 interfaces by Garcia-Barriocanal, J., Cezar, J.C., Bruno, F.Y., Thakur, P., Brookes, N.B., Utfeld, C., Rivera-Calzada, A., Giblin, S.R., Taylor, J.W., Duffy, J.A., Dugdale, S.B., Nakamura, T., Kodama, K., Leon, C., Okamoto, S., Santamaria, J.

“…In systems with strong electron-lattice coupling, such as manganites, orbital degeneracy is lifted, causing a null expectation value of the orbital magnetic…”
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Dynamic Atomic Reconstruction: How Fe3O4 Thin Films Evade Polar Catastrophe for Epitaxy by Chang, C F, Z. Hu, Klein, S, Liu, X H, Sutarto, R, Tanaka, A, Cezar, J C, Brookes, N B, H.-J. Lin, Hsieh, H H, Chen, C T, Rata, A D, Tjeng, L H

“…Polar catastrophe at the interface of oxide materials with strongly correlated electrons has triggered a flurry of new research activities. The expectations…”
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Ising magnetism and ferroelectricity in Ca3CoMnO6 by Wu, Hua, Burnus, T, Hu, Z, Martin, C, Maignan, A, Cezar, J C, Tanaka, A, Brookes, N B, Khomskii, D I, Tjeng, L H

“…The origin of both the Ising chain magnetism and ferroelectricity in Ca3CoMnO6 is studied by ab initio electronic structure calculations and x-ray absorption…”
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Direct observation of massless domain wall dynamics in nanostripes with perpendicular magnetic anisotropy by Vogel, J, Bonfim, M, Rougemaille, N, Boulle, O, Miron, I M, Auffret, S, Rodmacq, B, Gaudin, G, Cezar, J C, Sirotti, F, Pizzini, S

“…Domain wall motion induced by nanosecond current pulses in nanostripes with perpendicular magnetic anisotropy (Pt/Co/AlO(x)) is shown to exhibit negligible…”
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Evolution of Zero-Field Ferrimagnetic Domains and Skyrmions in Exchange-Coupled Pt/CoGd/Pt Confined Nanostructures: Implications for Antiferromagnetic Devices by Brandão, J, Dugato, D. A, Puydinger dos Santos, M. V, Cezar, J. C

“…Magnetic skyrmions are small-sized spin textures with nontrivial topology that behave like charged particles under a spin-polarized current. The efficient use…”
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Electronic and magnetic reconstructions in La0.7Sr0.3MnO3/SrTiO3 heterostructures: a case of enhanced interlayer coupling controlled by the interface by Bruno, F Y, Garcia-Barriocanal, J, Varela, M, Nemes, N M, Thakur, P, Cezar, J C, Brookes, N B, Rivera-Calzada, A, Garcia-Hernandez, M, Leon, C, Okamoto, S, Pennycook, S J, Santamaria, J

“…We report on the magnetic coupling of La0.7Sr0.3MnO3 layers through SrTiO3 spacers in La0.7Sr0.3MnO3/SrTiO3 epitaxial heterostructures. Combined…”
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Advanced spectroscopic synchrotron techniques to unravel the intrinsic properties of dilute magnetic oxides: the case of Co:ZnO by Ney, A, Opel, M, Kaspar, T C, Ney, V, Ye, S, Ollefs, K, Kammermeier, T, Bauer, S, Nielsen, K-W, Goennenwein, S T B, Engelhard, M H, Zhou, S, Potzger, K, Simon, J, Mader, W, Heald, S M, Cezar, J C, Wilhelm, F, Rogalev, A, Gross, R, Chambers, S A

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Restoration of bulk magnetic properties by strain engineering in epitaxial CoFe2O4 (001) ultrathin films by Matzen, S., Moussy, J.-B., Mattana, R., Petroff, F., Gatel, C., Warot-Fonrose, B., Cezar, J. C., Barbier, A., Arrio, M.-A., Sainctavit, Ph

“…We report on the significantly enhanced in-plane magnetic properties of CoFe2O4 (001) ultrathin layers (5 nm) grown on MgAl2O4 (001) in comparison to films…”
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