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Showing 1 to 12 of 24 entries
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Current-induced domain wall motion and magnetization dynamics in CoFeB/Cu/Co nanostripes.

Journal of physics. Condensed matter : an Institute of Physics journal

Uhlíř V, Vogel J, Rougemaille N, Fruchart O, Ishaque Z, Cros V, Camarero J, Cezar JC, Sirotti F, Pizzini S.
PMID: 22173430
J Phys Condens Matter. 2012 Jan 18;24(2):024213. doi: 10.1088/0953-8984/24/2/024213. Epub 2011 Dec 15.

Current-induced domain wall motion and magnetization dynamics in the CoFeB layer of CoFeB/Cu/Co nanostripes were studied using photoemission electron microscopy combined with x-ray magnetic circular dichroism (XMCD-PEEM). Quasi-static measurements show that current-induced domain wall motion in the CoFeB layer...

Tunable Stochasticity in an Artificial Spin Network.

Advanced materials (Deerfield Beach, Fla.)

Sanz-Hernández D, Massouras M, Reyren N, Rougemaille N, Schánilec V, Bouzehouane K, Hehn M, Canals B, Querlioz D, Grollier J, Montaigne F, Lacour D.
PMID: 33738866
Adv Mater. 2021 Apr;33(17):e2008135. doi: 10.1002/adma.202008135. Epub 2021 Mar 18.

Metamaterials present the possibility of artificially generating advanced functionalities through engineering of their internal structure. Artificial spin networks, in which a large number of nanoscale magnetic elements are coupled together, are promising metamaterial candidates that enable the control of...

Direct observation of massless domain wall dynamics in nanostripes with perpendicular magnetic anisotropy.

Physical review letters

Vogel J, Bonfim M, Rougemaille N, Boulle O, Miron IM, Auffret S, Rodmacq B, Gaudin G, Cezar JC, Sirotti F, Pizzini S.
PMID: 23004314
Phys Rev Lett. 2012 Jun 15;108(24):247202. doi: 10.1103/PhysRevLett.108.247202. Epub 2012 Jun 11.

Domain wall motion induced by nanosecond current pulses in nanostripes with perpendicular magnetic anisotropy (Pt/Co/AlO(x)) is shown to exhibit negligible inertia. Time-resolved magnetic microscopy during current pulses reveals that the domain walls start moving, with a constant speed, as...

Fragmentation of magnetism in artificial kagome dipolar spin ice.

Nature communications

Canals B, Chioar IA, Nguyen VD, Hehn M, Lacour D, Montaigne F, Locatelli A, Menteş TO, Burgos BS, Rougemaille N.
PMID: 27173154
Nat Commun. 2016 May 13;7:11446. doi: 10.1038/ncomms11446.

Geometrical frustration in magnetic materials often gives rise to exotic, low-temperature states of matter, such as the ones observed in spin ices. Here we report the imaging of the magnetic states of a thermally active artificial magnetic ice that...

Third type of domain wall in soft magnetic nanostrips.

Scientific reports

Nguyen VD, Fruchart O, Pizzini S, Vogel J, Toussaint JC, Rougemaille N.
PMID: 26201268
Sci Rep. 2015 Jul 23;5:12417. doi: 10.1038/srep12417.

Magnetic domain walls (DWs) in nanostructures are low-dimensional objects that separate regions with uniform magnetisation. Since they can have different shapes and widths, DWs are an exciting playground for fundamental research, and became in the past years the subject...

Indirect localization of a magnetic domain wall mediated by quasi walls.

Scientific reports

Lacour D, Montaigne F, Rougemaille N, Belkhou R, Raabe J, Hehn M.
PMID: 26011004
Sci Rep. 2015 May 26;5:9815. doi: 10.1038/srep09815.

The manipulation of magnetic domain walls in thin films and nanostructures opens new opportunities for fundamental and applied research. But controlling reliably the position of a moving domain wall still remains challenging. So far, most of the studies aimed...

Long Non-Coding RNAs in the Control of Gametogenesis: Lessons from Fission Yeast.

Non-coding RNA

Andric V, Rougemaille M.
PMID: 34208016
Noncoding RNA. 2021 Jun 11;7(2). doi: 10.3390/ncrna7020034.

Long non-coding RNAs (lncRNAs) contribute to cell fate decisions by modulating genome expression and stability. In the fission yeast

Transcription-wide mapping of dihydrouridine reveals that mRNA dihydrouridylation is required for meiotic chromosome segregation.

Molecular cell

Finet O, Yague-Sanz C, Krüger LK, Tran P, Migeot V, Louski M, Nevers A, Rougemaille M, Sun J, Ernst FGM, Wacheul L, Wery M, Morillon A, Dedon P, Lafontaine DLJ, Hermand D.
PMID: 34798057
Mol Cell. 2021 Nov 15; doi: 10.1016/j.molcel.2021.11.003. Epub 2021 Nov 15.

The epitranscriptome has emerged as a new fundamental layer of control of gene expression. Nevertheless, the determination of the transcriptome-wide occupancy and function of RNA modifications remains challenging. Here we have developed Rho-seq, an integrated pipeline detecting a range...

Correction to "In-Plane Magnetic Domains and Néel-Like Domain Walls in Thin Flakes of the Room Temperature CrTe.

ACS applied materials & interfaces

Purbawati A, Coraux J, Vogel J, Hadj-Azzem A, Wu N, Bendiab N, Jegouso D, Renard J, Marty L, Bouchiat V, Sulpice A, Aballe L, Foerster M, Genuzio F, Locatelli A, Menteş TO, Han ZV, Sun X, Núñez-Regueiro M, Rougemaille N.
PMID: 34859665
ACS Appl Mater Interfaces. 2021 Dec 03; doi: 10.1021/acsami.1c22588. Epub 2021 Dec 03.

No abstract available.

Artificial kagome arrays of nanomagnets: a frozen dipolar spin ice.

Physical review letters

Rougemaille N, Montaigne F, Canals B, Duluard A, Lacour D, Hehn M, Belkhou R, Fruchart O, El Moussaoui S, Bendounan A, Maccherozzi F.
PMID: 21405433
Phys Rev Lett. 2011 Feb 04;106(5):057209. doi: 10.1103/PhysRevLett.106.057209. Epub 2011 Feb 04.

Magnetic frustration effects in artificial kagome arrays of nanomagnets are investigated using x-ray photoemission electron microscopy and Monte Carlo simulations. Spin configurations of demagnetized networks reveal unambiguous signatures of long range, dipolar interaction between the nanomagnets. As soon as...

Micromagnetic study of flux-closure states in Fe dots using quantitative Lorentz microscopy.

Ultramicroscopy

Masseboeuf A, Fruchart O, Cheynis F, Rougemaille N, Toussaint JC, Marty A, Bayle-Guillemaud P.
PMID: 22459115
Ultramicroscopy. 2012 Apr;115:26-34. doi: 10.1016/j.ultramic.2012.02.002. Epub 2012 Mar 02.

A micromagnetic study of epitaxial micron-sized iron dots is reported through the analysis of Fresnel contrast in Lorentz Microscopy. Their use is reviewed and developed through analysis of various magnetic structures in such dots. Simple Landau configuration is used...

Controlled switching of Néel caps in flux-closure magnetic dots.

Physical review letters

Cheynis F, Masseboeuf A, Fruchart O, Rougemaille N, Toussaint JC, Belkhou R, Bayle-Guillemaud P, Marty A.
PMID: 19392153
Phys Rev Lett. 2009 Mar 13;102(10):107201. doi: 10.1103/PhysRevLett.102.107201. Epub 2009 Mar 11.

While magnetic hysteresis usually considers magnetic domains, the switching of the core of magnetic vortices has recently become an active topic. We considered Bloch domain walls, which are known to display at the surface of thin films flux-closure features...

Showing 1 to 12 of 24 entries