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- Centre National de la Recherche ScientifiqueFR82 papers
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123 papers · 1 filter
Nonmonotonic Magnetic Friction from Collective Rotor Dynamics
Hongri Gu, Anton Lüders, Clemens Bechinger
Amontons' law postulates a monotonic relationship between frictional force and the normal load applied to a sliding contact. This empirical rule, however, fails in systems where in…
Statistical characterization of the spin Hall magnetoresistance in YIG/Pt heterostructures
Denise Reustlen, Sebastian Sailler, Davina U. Schmidt +3
The spin Hall magnetoresistance (SMR) is widely used to study the interplay between charge and spin currents in bilayers of a magnetic insulator and a normal metal. However, not mu…
Ultrathin bismuth-yttrium iron garnet films with tunable magnetic anisotropy
Hanchen Wang, William Legrand, Davit Petrosyan +7
We report on the epitaxial growth of nm-thick films of bismuth-substituted yttrium iron garnet (BiYIG) by high-temperature off-axis radio-frequency magnetron sputtering. We demonst…
Field-tuning of ultrafast magnetization fluctuations in SmErFeO
Marvin Alexander Weiss, Julius Schlegel, Daniel Anić +7
The properties of spin fluctuations in antiferromagnets are largely unexplored, in particular at ultrafast timescales. Here, we employ femtosecond noise correlation spectroscopy (F…
Charge, heat, and spin transport phenomena in metallic conductors
Nynke Vlietstra, Sebastian T. B. Goennenwein, Rudolf Gross +1
In solid state materials, gradients of the electro-chemical potential, the temperature, or the spin-chemical potential drive the flow of charge, heat, and spin angular momentum, re…
The crystalline properties of silica biomorphs vary within and between morphologies
Moritz P. K. Frewein, Britta Maier, Moritz L. Stammer +8
Silica-witherite biomorphs are a class of emergent materials, i.e. composite microstructures made of nanometric barium carbonate surrounded by amorphous silica. They form via co-pr…