Centre d’Élaboration de Matériaux et d’Etudes Structurales (UPR 8011)

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16 November 2020

Spectral sorting of single plasmons in a 2D crystalline cavity

" Single plasmon spatial and spectral sorting on a crystalline two-dimensional plasmonic platform " U. Kumar, S. Bolisetty, C. Girard, R. Mezzenga, E. Dujardin and A. Cuche. Nanoscale 12, 13414 (2020)

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2 November 2020

STM in the spotlight!

Fundamental mechanisms at the origin of the luminescence of semiconducting monolayers have been studied with scanning tunneling microscope-induced light emission technique with unprecedented spatial and spectral resolutions. The luminescence intensity has been enhanced by an order of magnitude by using nanostructured plasmonic substrates.

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21 October 2020

Controlled functionalization of graphene

Graphene on Cu (111) or on mica can be functionalized in a controlled manner by photo-cycloaddition reactions between a 2D supramolecular layer of a maleimide dienophile and graphene. This reaction disrupts the delocalization of the electrons of graphene by opening a gap of 170 meV in the irradiated zones.

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5 October 2020

Introducing the "Blue Buggy", our last generation nanocar ready for the next nano Grand Prix

A collaboration of researchers in France and Japan have developed a new family of nanocars ready to compete on a gold surface against the 9 other teams selected for the 2nd Nanocar Race in 2021.

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21 September 2020

Core-shell nanoparticles with evolving forms

Core-shell iron-golf nanoparticles synthesized by UHV growth show an astonishing evolution of their morphology as the amount of gold increases, changing from a polyhedral shape to an iron cube coated by truncated gold pyramids. The origin of this evolution has been elucidated.

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1 September 2020

Biomimetic design of patterned insect carapaces

Replicating twisted liquid crystal patterns found in insects is extremely difficult. A solution based on an eco-design is published in Nature Communications. In addition, proof-of-concept prototypes of optical tags in cryptography are presented.

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8 July 2020

Florent Houdellier laureate of the CNRS crystal medal

Florent Houdellier is the 2020 laureate of the CNRS crystal medal which distinguishes research support personnel who, through their creativity, their technical mastery and their sense of innovation, contribute alongside researchers to the advancement of knowledge and to the excellence of French research!

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30 June 2020

New UHV equipment with a Source of Nanoparticles

The newly aquired sputtering device is equipped with an innovative source for the synthesis of nanoparticles in the gas phase and their deposition on various substrates. This set-up is also suitable for metallic or oxides thin and ultra-thin films deposition.

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28 June 2020

Improved oxygen reduction reaction in fuel cell through carbon interphase

We propose a modified hybrid support consisting of unzipped carbon nanotubes and nitrogen and sulfur co-doped multi walled carbon nanotubes as high performance electrocatalyst for the oxygen reduction reaction in proton exchange membrane fuel cells.

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12 May 2020

Degradation of phase change memories

The Ge-Sb-Te layers used in phase change memories (PCM) degrade when left in contact with ambient air. Their crystallization temperature decreases and the selective oxidation upsets the stoichiometry...

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