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4 papers · 2 filters
Wrinkling hierarchy in constrained thin sheets from suspended graphene to curtains
Hugues Vandeparre, Miguel Pineirua, Fabian Brau +7
We show that thin sheets under boundary confinement spontaneously generate a universal self-similar hierarchy of wrinkles. From simple geometry arguments and energy scalings, we de…
Interactions between sub-10 nm iron and cerium oxide nanoparticles and 3T3 fibroblasts : the role of the coating and aggregation state
M. Safi, H. Sarrouj, O. Sandre +2
Recent nanotoxicity studies revealed that the physico-chemical characteristics of engineered nanomaterials play an important role in the interactions with living cells. Here, we re…
Infrared reflectivity of the phonon spectra in multiferroic TbMnO3
R. Schleck, R. L. Moreira, H. Sakata +1
We measured the temperature dependent infrared reflectivity spectra of TbMnO3 with the electric field of light polarized along each of the three crystallographic axes. We analyzed…
Structural, static and dynamic magnetic properties of CoMnGe thin films on a sapphire a-plane substrate
Mohamed Belmeguenai, Fatih Zighem, Thierry Chauveau +6
Magnetic properties of CoMnGe thin films of different thicknesses (13, 34, 55, 83, 100 and 200 nm), grown by RF sputtering at 400°C on single crystal sapphire substrates, were stud…