Sylvain Martin

Intrinsic back-switching phenomenon in spin-orbit torque MRAM devices

K.P. Ray, J. P. Vigier, Perrine Usé, Sylvain Martin et autres

The writing process of spin-orbit torque magnetic random-access memories (SOT-MRAMs) is considered deterministic when additional symmetry-breaking factors, such as the application of an external magnetic field aligned with the current, are present. Notably, the write probability exhibits a unique behavior as a …

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Intrinsic back-switching phenomenon in SOT-MRAM devices

J. P. Vigier, Perrine Usé, Sylvain Martin, Nicolas Lefoulon et autres

The writing process of SOT-MRAMs is considered deterministic when additional symmetry-breaking factors, such as the application of an external magnetic field aligned with the current, are present. Notably, the write probability exhibits a unique behavior as a function of the current: it …

Harnessing orbital Hall effect in spin-orbit torque MRAM

Rahul Gupta, Chloé Bouard, Fabian Kammerbauer, J. Omar Ledesma‐Martin et autres

Abstract Spin-Orbit Torque (SOT) Magnetic Random-Access Memory (MRAM) devices offer improved power efficiency, nonvolatility, and performance compared to static RAM, making them ideal, for instance, for cache memory applications. Efficient magnetization switching, long data retention, and high-density integration in SOT MRAM require …

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Réfrigérateur à dilution pour des applications spatiales

Sylvain Martin, Jérémy Vessaire, Raphaël Dorne, Pierre-Frederic Sibeud et autres

International audience

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Harnessing Orbital Hall Effect in Spin-Orbit Torque MRAM

Rahul Gupta, Chloé Bouard, Fabian Kammerbauer, J. Omar Ledesma‐Martin et autres

Spin-Orbit Torque (SOT) Magnetic Random-Access Memory (MRAM) devices offer improved power efficiency, nonvolatility, and performance compared to static RAM, making them ideal, for instance, for cache memory applications. Efficient magnetization switching, long data retention, and high-density integration in SOT MRAM require ferromagnets …

He/ 4 He phase separator for the Closed Cycle Dilution Refrigerator

Sylvain Martin, Jérémy Vessaire, Gérard Vermeulen, Pierre-Frederic Sibeud et autres

International audience

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The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase

D. Barret, Vincent Albouys, Jan-Willem den Herder, L. Piro et autres

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The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase

D. Barret, Vincent Albouys, Jan-Willem den Herder, L. Piro et autres

fr, nl, it, fi, us, es, ch, be, pl, cz, de, jp, gb (code pays fourni par la source)

SPICA Naissance et abandon d'une mission spatiale

Sylvain Martin

International audience

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Droit et pratique des emballages - Aspects juridiques de l'écoconception

Sylvain Martin

Les Etats membres de la Communauté européenne ont les mêmes règles d'éco-conception des emballages, mais avec une liberté de moyens pour atteindre les objectifs quantitatifs de retraitement des déchets ménagers. Quels sont les textes réglementaires qui régissent cette démarche d'éco-conception ?

The calibration source assembly for SPICA/SAFARI instrument

Shiang‐Yu Wang, Ming-Jye Wang, Tse-Jun Chen, Yen-Pin Chang et autres

The far infrared instrument SAFARI spectrometer on board the SPace Infrared telescope for Cosmology and Astrophysics (SPICA) provides moderate resolution spectra (R~300) with simultaneous coverage over 34 to 230 μm. With the high sensitivity TES detectors, the SAFARI can reach the sensitivity …

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Imaging magnetic flux-closure domains and domain walls in electroless-deposited CoNiB nanotubes

Michal Staňo, Sandra Schaefer, Alexis Wartelle, Maxime Rioult et autres

Magnetic nanotubes are predicted to host mag- \nnetic domains and domain walls with a topology \ndifferent from that for \nat elements[1, 2]. Com- \npared to cylindrical nanowires, reports on mag- \nnetism of isolated metallic nanotubes are scarce \nand so far no material …

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