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Univ. Paris-Saclay
Laboratory of Physics and Chemistry of Surfaces and Interfaces
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On January 6, 2014, the teams of the SPCSI (Division of Physics and Chemistry of Surfaces and Interfaces) have been officially associated to  IRAMIS/NIMBE (chemists) and IRAMIS/SPEC (physicists).

Since july 2000 to the end of 2013, the SPCSI (Physics and Chemistry of Surfaces and Interfaces Laboratory) has been a research unit for the studies of basic properties of surfaces and interfaces and their potential applications. This Laboratory was part of to the Research Division on Atoms, Molecules and Condensed Matter (DRECAM) then IRAMIS (Saclay Institute of Matter and Radiation) within the Department of Matter Sciences (DSM) of the CEA (French Atomic Energy Commission).

Gathering chemists and physicists, the SPCSI was equipped with a powerful set of devices for characterization at the atomic scale of surfaces: an XPS Kratos and a platform of equipments  (STM / AFM - LEEM / PEEM - XPD) to investigate surfaces under ultrahigh vacuum, that the NIMBE and SPEC teams continue today to use successfully.

 

Maj : 31/03/2014 (445)

Voir aussi
Collaborations : LENSIS ÉquipePublications Collaborations Contrats Recrutement Collaborations du groupe LENSIS Dr. Olivier Renault CEA-LETI MINATEC, France Dr. Bertrand Vilquin Institut des nanotechnologies de Lyon (Ecole Centrale de Lyon), France Dr.
Electrical boundary conditions : « Back to the Group page « Back to the Oxides page   The new physics emerging from two-dimensional films in the limit of a few unit cells has a host of exciting applications. However, understanding the ferroelectric properties of such engineered thin film systems requires taking into account not only the material but also its interfaces with electrodes, substrates or atmosphere; in other words, the electrical boundary conditions.
Screening : « Back to the Group page « Back to the Oxides page   Surface polarization charge in ferroelectric (FE) materials can be screened by a variety of mechanisms: intrinsic (charge carriers or defects in the bulk), extrinsic (chemical environment or adsorbates), domain ordering, or even a combination of the above. Chemisorption of OH- and protons can lead to important changes in the electrical boundary conditions and water film can play an active role in domain switching.

 

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