Search Results - "Guimpel, J."

The influence of thermal annealing on the photoconducting properties of BaSnO3 films by Bridoux, G., Ferreyra, J. M., Guimpel, J., Nieva, G., Villafuerte, M.

“…Starting from high-quality oxygen-deficient BaSnO3 films, we have monitored the evolution of their electrical conducting and photoconducting properties after…”
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Effect of the nitrogen-argon gas mixtures on the superconductivity properties of reactively sputtered molybdenum nitride thin films by Haberkorn, N., Bengio, S., Suárez, S., Pérez, P.D., Sirena, M., Guimpel, J.

“…•Superconducting Mo-N thin films were grown at room temperature by reactive DC sputtering.•Tc in the Mo-N thin films can be tuned from 8 K to temperatures…”
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The role of polarization in the threshold voltage of field effect transistors based on ZnO/MgO by Figueroa, C. A., Zapata, M. C., Bridoux, G., Ferreyra, J., Patrone, L., Malatto, L., Guimpel, J., Nieva, G., Runco Leal, V., Navarro, C., Villafuerte, M.

“…In this work, we report on fabrication and characterization of a field effect transistor (FET) based on a ZnO/MgO bilayer employing a top-gate configuration…”
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Enhancement of penetration field in vortex matter in mesoscopic superconductors due to Andreev bound states by Dolz, M., Bolecek, N., Puig, J., Pastoriza, H., Nieva, G., Guimpel, J., van Der Beek, C., Konczykowski, M., Fasano, Y.

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Oxygen related defects and vacancy clusters identified in sputtering grown UOx thin films by positron annihilation techniques by Macchi, C., Somoza, A., Guimpel, J., Suárez, S., Egger, W., Hugenschmidt, C., Mariazzi, S., Brusa, R.S.

“…•Depth profiling PAS techniques allowed the detection and identification of point defects in UO2+x sputtered thin films.•Experimental evidences on the presence…”
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Synthesis, structural characterization and magnetic properties of the monoclinic ordered double perovskites BaLaMSbO6, with M=Mn, Co and Ni by Cecilia Blanco, M., De Paoli, Juan M., Ceppi, Sergio, Tirao, G., Nassif, Vivian M., Guimpel, J., Carbonio, Raúl E.

“…[Display omitted] •Three new double perovskites BaLaMSbO6 (M=Mn, Co, Ni) were synthesized.•Complete structural characterization by Rietveld refinement was…”
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Band structure effects in the energy loss of low-energy protons and deuterons in thin films of Pt by Celedón, C.E., Sánchez, E.A., Salazar Alarcón, L., Guimpel, J., Cortés, A., Vargas, P., Arista, N.R.

“…We have investigated experimentally and by computer simulations the energy-loss and angular distribution of low energy (E<10keV) protons and deuterons…”
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Characterization of the Nb-B superlattice system by Franco, D.G., Sarmiento-Chavez, A., Schenone, N., Llacsahuanga Allcca, A.E., Gómez Berisso, M., Fasano, Y., Guimpel, J.

“…•In this manuscript we study the crystalline and superconducting properties of this system, as a possible material to be used in solid state neutron detector…”
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Structures in textured Cu–Al–Ni shape memory thin films grown by sputtering by Espinoza Torres, C., Condó, A.M., Haberkorn, N., Zelaya, E., Schryvers, D., Guimpel, J., Lovey, F.C.

“…The structure and texture formation in Cu–Al–Ni thin films of different thicknesses (1μm to 5μm) grown by DC magnetron sputtering without any intentional…”
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Bulk-like behavior in the temperature driven martensitic transformation of Cu–Zn–Al thin films with 2H structure by Haberkorn, N., Condó, A.M., Espinoza, C., Jaureguizahar, S., Guimpel, J., Lovey, F.C.

“…•Cu–Zn–Al films with burst-type 2H martensitic transformation.•Reproducible martensitic transformation temperature.•Similar hysteresis to those found in bulk…”
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Synthesis and structural characterization of perovskite YFeO3 by thermal decomposition of a cyano complex precursor, Y[Fe(CN)6]·4H2O by Gil, Diego M., Navarro, M. Carolina, Lagarrigue, M. Cristina, Guimpel, J., Carbonio, Raúl E., Gómez, M. Inés

“…The thermal decomposition of Y[Fe(CN) 6 ]·4H 2 O has been studied in order to investigate the formation of the multi-ferroic oxide YFeO 3 . The starting…”
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Y[Fe1−xCox(CN)6]·4H2O (0⩽x⩽1) solid solutions: Synthesis, crystal structure, thermal decomposition and spectroscopic and magnetic properties by Gil, Diego M., Guimpel, J., Paesano, Andrea, Carbonio, Raúl E., Gómez, María Inés

“…► The series of solid solutions Y[Fe1−xCox(CN)6]·4H2O were prepared and characterized. ► The crystal structures were refined using Rietveld analysis with PXRD…”
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Development and characterization of shape memory Cu–Zn–Al thin films by Haberkorn, N., Lovey, F.C., Condó, A.M., Guimpel, J.

“…Ternary Cu–Zn–Al alloys show good shape memory properties with narrow hysteresis and a wide range of martensitic transformation temperature ( M s), depending…”
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Tuning of the metal-insulator transition in La0.75Sr0.25MnO3∕PrBa2Cu3O7−δ superlattices by Haberkorn, N., Guimpel, J.

“…We have investigated the magnetotransport and magnetic properties of La0.75Sr0.25MnO3∕PrBa2Cu3O7−δ superlattices. Magnetic hysteresis loops show the expected…”
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Shape memory effect in thin films of a Cu–Al–Ni alloy by Lovey, F.C., Condó, A.M., Guimpel, J., Yacamán, M.J.

“…Thin films of Cu–26.9 at.% Al–5.5 at.% Ni were grown by dc magnetron sputtering from the alloy target previously melted in an induction furnace. The films were…”
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Anomalous proximity effect in underdoped YBa2Cu3O6+x josephson junctions by Decca, RS, Drew, HD, Osquiguil, E, Maiorov, B, Guimpel, J

“…Josephson junctions were photogenerated in underdoped thin films of the YBa2Cu3O6+x family using a near-field scanning optical microscope. The observation of…”
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Roughness and giant magnetoresistance in Fe/Cr superlattices by FULLERTON, E. E, KELLY, D. M, GUIMPEL, J, SCHULLER, I. K, BRUYNSERAEDE, Y

“…The structure, magnetotransport, and magnetization of Fe/Cr superlattices as a function of systematic changes in interfacial roughness were studied in detail…”
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Hysteresis and fractional matching in thin Nb films with rectangular arrays of nanoscaled magnetic dots by Stoll, O. M., Montero, M. I., Guimpel, J., Åkerman, Johan, Schuller, I. K.

“…We have investigated the periodic pinning of magnetic flux quanta in thin Nb films with rectangular arrays of magnetic dots. In this type of pinning geometry,…”
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Thickness dependence of the properties of La0.6Sr0.4MnO3 thin films by SIRENA, M, STEREN, L, GUIMPEL, J

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Hall effect in a GdBa2Cu3O7-δ/La0.75Sr0.25MnO3 perovskite bilayer by HABERKORN, N, BRIDOUX, G, OSQUIGUIL, E, NIEVA, G, GUIMPEL, J

“…We present results on the Hall coefficient RH in the normal state for a GdBa2Cu3O7-delta/La0.75Sr0.25MnO3 bilayer and a La0.75Sr0.25MnO3 film grown by dc…”
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