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Name
HAL-CEA
Type
Institutional Repository
Items
13899 Publications
Compatibility
OpenAIRE 3.0 (OA, funding)
OAI-PMH
https://api.archives-ouvertes.fr/oai/cea
More information
Detailed data provider information (OpenDOAR)

 

  • Endothiovibrio diazotrophicus gen. nov., sp. nov., a novel nitrogen-fixing, sulfur-oxidizing gammaproteobacterium isolated from a salt marsh

    Bazylinski, Dennis,; Morillo, Viviana; Lefèvre, Christopher,; Viloria, Nathan; Dubbels, Bradley,; Williams, Timothy, (2017)
    International audience; A novel non-phototrophic, marine, sulfur-oxidizing bacterium, strain S-1T, was isolated from a coastal salt marsh in Massachusetts, USA. Cells are Gram-stain-negative vibrios motile by means of a single polar unsheathed flagellum. S-1T is an obligate microaerophile with limited metabolic capacity. It grows chemolithoautotrophically utilizing sulfide and thiosulfate as electron donors, converting these compounds to sulfate, and the Calvin–Benson–Bassham cycle for carbon...

    Vainshtein Screening in Scalar-Tensor Theories before and after GW170817: Constraints on Theories beyond Horndeski

    Dima, Alexandru; Vernizzi, Filippo (2018)
    Screening mechanisms are essential features of dark energy models mediating a fifth force on large scales. We study the regime of strong scalar field nonlinearities, known as Vainshtein screening, in the most general scalar-tensor theories propagating a single scalar degree of freedom. We first develop an effective approach to parameterize cosmological perturbations beyond linear order for these theories. In the quasi-static limit, the full nonlinear effective Lagrangian contains six independ...

    Electric field effect on magnetic properties of Pt/Co/AlOx trilayers

    Schott, Marine (2017)
    A current challenge in the field of spintronics is the development of functional nanospintronics systems, in which the dimensions of the device are confined to the nanometer scale. The model system is called a single nano-magnet. New possible routes to control its magnetisation could be useful for many applications, in particular, those in the area of information technology. During this PhD, we chose to study the particular effects that are linked to the electric charge accumulation in the na...

    Electrical spin injection in silicon and the role of defects

    Rortais, F.; Vergnaud, C.; Ducruet, C.; Beigne, C.; Marty, Alain; Attané, J.-P; Widiez, J.; Jaffrès, H.; George, J.-M.; Jamet, M. (2016)
    International audience; Three-terminal devices, where the same ferromagnetic electrode is used for electrical spin injection and detection, is a very easy and powerful tool to probe the spin properties in nonmagnetic materials. For instance, it has been intensively used to study spin injection and detection in silicon. However the interpretation of the magnetoresistance signals observed experimentally is still under debate. In particular, a controversy has been raised about the experimental s...

    LISA Pathfinder: mission and status

    Antonucci, F; Armano, M; Audley, H; Auger, G; Benedetti, M; Binetruy, P; Boatella, C; Bogenstahl, J; Bortoluzzi, D; Bosetti, P; Caleno, M; Cavalleri, A; Cesa, M; Chmeissani, M; Ciani, G;... (2011)
    International audience
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