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My research interests are twofold:
understanding the link between the atomic structure and the macroscopic properties of functional materials,
finding ways to modify them in order to improve their properties (= tailored materials).
To pursue these objectives I mainly use diffraction and diffusion of X-rays, at synchrotron facilities and in laboratory.
The originality of my researches axes comes from the fact that the systems of interest are often scrutinized in operando conditions, meaning in pressure conditions striving for real ones (when dealing with model catalysts, for instance). A peculiar subject usually involves the coupling of several techniques to assess different properties (structural, morphological, electrical and so on). X-ray diffraction/diffusion experiments are thus often complemented by chemically-sensitive (XPS, EXAFS) and/or imaging (STM) techniques.
Since a few years, I am mainly interested by:
Epitaxial oxide films exhibiting peculiar optical and electronic properties: the Verwey transition of magnetite Fe3O4 ultra-thin films, the metal-insulator transition of pure and doped VO2 films, …
Two-dimensional arrays of self-organized metallic nanoparticles with potential applications in the field of heterogeneous catalysis or molecular electronics.
Intrigued by how matter is organized and how it can be studied at the atomic scale, I first graduated as an engineer in Materials Physics (Polytech’Grenoble, 2002) and then obtained my PhD in Materials Physics in 2005 from the Université Joseph Fourier (now Université Grenoble Alpes). My post-doctoral position at the CEA-LETI gave me the opportunity to work on the early development of the XPEEM technique in laboratory. I was then hired as a research scientist (Chargée de recherche) at the Institut Néel in 2009. In 2013 I spent several months at the Advanced Light Source in Berkeley to get some hands-on experience on Near-Ambient Pressure XPS (NAP-XPS).
Some of my research topics are presented in more details on the webpage of the SIN team. All of them are the result of a close collaboration between several people:
On self-organized nanoparticles on templated alumina substrates i) for (single-atom) catalysis: Georges Sitja and Claude Henry (CiNAM), Maurizio De Santis and Marie-Claire Saint-Lager (Institut Néel), ii) for molecular electronics: Aimeric Ouvrard (ISMO) and Natalia Alyabyeva (CEA, Saclay)
On epitaxial vanadium dioxide films: Stéphane Grenier, Aline Ramos, Laetitia Laversenne, Pierre Bouvier and Laurence Magaud (Institut Néel)
On the emerging subject on KBNNO perovskites: Aline Ramos and Céline Darie (Institut Néel)
For an overview of my publications, you might have a look on these resources: HAL (including postprints) or Google Scholar
Fields of expertise
Surface science (UHV growth of thin films and nanostructures, characterization)
Synchrotron radiation environment
Heterogeneous catalysis (gold model catalysts and templated oxide surfaces)
Functional oxide films for energy (VO2 and perovskites)
Techniques
Synchrotron radiation-based techniques (GIXRD, GISAXS, XPEEM and NAP-XPS)
Laboratory X-ray diffraction (powder and thin films)
UHV surface science techniques (AES, LEED, STM)
Département : QUEST
Équipe : Surfaces, Interfaces and Nanostructures (SIN)
Statut : Personnel Chercheur
Organisme : CNRS
Position : Permanent
Email : aude.bailly@neel.cnrs.fr
Téléphone : 04 76 88 90 19
Bureau : F-412
