Zobrazeno 1 - 10
of 291
pro vyhledávání: '"L. Tortet"'
Autor:
C. Rizea, S. M. Iordache, A-M. Iordache, Manuella Militaru, L. Tortet, T. Soare, R. Notonier, Alain Tonetto, C.E.A. Grigorescu, M. I. Rusu, C. R. Stefan Iordanescu, A. Diaconescu
Publikováno v:
ICTON
This work is part of a study focused on surface enhanced Raman scattering of biomolecules using magnetic-plasmonic nanostructured substrates. The substrates are nanostructured Fe 3 O 4 coated with Au and Ag, respectively. Fe 3 O 4 has an inverse spin
Autor:
A. Tonetto, O. Monnereau, L. Tortet, Simon Granville, F. Budde, G. Pavelescu, Constantin Logofatu, L. Argeme, C.E.A. Grigorescu, H. J. Trodahl, Ben J. Ruck, Grant V. M. Williams, A. Bittar, R. Notonier
Publikováno v:
Thin Solid Films. 516:1617-1621
We study the effect of annealing on structure, morphology and optical properties of nanocrystalline films of GaN, GaN:O and GaN:Mn prepared by ion assisted deposition on silicon, quartz and glassy carbon substrates. Blisters and holes having diameter
Publikováno v:
Solid State Ionics. 146:423-427
The electrical conductivity of polycrystalline copper(I) bromide (CuBr) was investigated at low temperature (160–300 K) by four-point d.c. measurements and impedance spectroscopy. A change from predominant ionic conduction above 260 K to electron h
Autor:
G. Vacquier, O. Monnereau, H. Faqir, H Nadifi, L. Tortet, C. Grigorescu, C. Boulesteix, A. Ouali
Publikováno v:
Superconductor Science and Technology. 13:1174-1179
Preparation of Bi-2223/Bi-2310 and Bi-2212/BiFeO3 composites has been performed so as to obtain some active composites where the superconductive properties of Bi-2223 or Bi-2212 can be modified using a property of the insulating phase. In both cases
Publikováno v:
Solid State Ionics. 117:75-85
The transport properties in two-phase (Ac, M) granular composites generally depend on several parameters: the interfaces (Ac/Ac, M/M, Ac/M), the grain sizes and morphologies, the percolation threshold. Generally in such (Ac, M) composites, one of the
Autor:
J-R. Gavarri, L. Tortet, Andrey K. Sarychev, Andrey N. Lagarkov, J.P. Clerc, J. Musso, G. Nihoul
Publikováno v:
Physical Review B. 58:5390-5407
The conductivity of composites prepared from ceramics is studied. The conductivity has an ionic character and the complex impedance behaves similar to many other inhomogeneous ionic systems. The dependence on the frequency is nonanalytical in form an
Publikováno v:
Journal of Solid State Chemistry. 132:6-16
We report the first quasi-elastic neutron scattering analysis of proton mobility in the solid electrolyte CaHPO4·2H2O (brushite). We have studied this hydrated phosphate, in powder state, from 190 to 520 K, using an incident wavelength of 5.12 A. Th
Publikováno v:
Solid State Ionics. 97:253-256
This study reports various analyses of the proton activity in brushite CaHPO4·2H2O and monetite CaHPO4 considered as potential solid electrolytes in mineral/polymer composites. Volta battery devices are first used to control the migration paths of p
Autor:
Alain Tonetto, M. I. Rusu, D. Tenciu, C. Chassigneux, I.D. Feraru, R. Notonier, O. Monnereau, C.E.A. Grigorescu, Roxana Savastru, L. Tortet, C. N. Zoita, C. R. Iordanescu, Dan Savastru
Publikováno v:
Applied Surface Science
Applied Surface Science, Elsevier, 2013, 284, pp.950. ⟨10.1016/j.apsusc.2013.04.061⟩
Applied Surface Science, 2013, 284, pp.950. ⟨10.1016/j.apsusc.2013.04.061⟩
Applied Surface Science, Elsevier, 2013, 284, pp.950. ⟨10.1016/j.apsusc.2013.04.061⟩
Applied Surface Science, 2013, 284, pp.950. ⟨10.1016/j.apsusc.2013.04.061⟩
Films of the material systems ZnSnSb and MnGeSb doped with Fe and Co respectively have been grown by pulsed laser deposition on silicon. Room temperature Hall effect measurements show that all Fe-doped PLD films are n-type whereas MnGeSb:Co ones are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::239323465a5cc134a18029cdf08abe93
https://hal-amu.archives-ouvertes.fr/hal-01465985
https://hal-amu.archives-ouvertes.fr/hal-01465985
Publikováno v:
Solid State Ionics. 89:99-107
To study the surface activities and proton mobilities of CaHPO 4 .2H 2 O phosphates in powdered states, composites have been fabricated by mixing polycrystalline phosphates with polymer or CaO powders. The electrochemical properties of such composite