Results 131 to 140 of about 2,935,028 (286)

BLACKHOLEWEATHER – Spin-coupled chaotic cold accretion across the meso scale: Morphology and thermodynamics

Astronomy & Astrophysics
Context. Supermassive black hole (SMBH) spin is a key but poorly constrained ingredient of the feeding-feedback loop. Chaotic cold accretion of cold-gas clouds delivers rapidly varying three-dimensional torques that drive spin evolution and jet-axis ...
Piana Olmo, Gaspari Massimo, Barbani Filippo, Cammelli Vieri, Stel Giovanni, Brustio Davide M., Olivares Valeria, Salvestrini Francesco, Danehkar Ashkbiz, Tombesi Francesco, Temi Pasquale, Maccagni Filippo M., Fournier Martin   +12 more
doaj   +1 more source

Spin transfer torque magnetization reversal in a hard/soft composite structures

AIP Advances, 2018
Current induced magnetization manipulation in a spin valve structure where the free layer is a magnetic hard/soft composite structure is studied using micromagnetic simulations.
M. Kuteifan, C.-H. Lambert, M. V. Lubarda, V. Lomakin, E. E. Fullerton, S. Mangin   +5 more
doaj   +1 more source

Driven energy transfer between coupled modes in spin-torque oscillators

, 2017
International audienceThe mutual interaction between the different eigenmodes of a spin-torque oscillator can lead to a large variety of physical mechanisms from mode hopping to multimode generation, that usually reduce their performances as radio ...
de Milly, X., Araujo, A, Abreu, Kubota, H, Lebrun, R., V. Cros, O. Klein, Fukushima, A, G. de Loubens, S. Tsunegi, Yuasa, S, Bortolotti, P, Hamadeh, A., Li, Y., Bortolotti, P., Li, Yi, R. Lebrun, P. Bortolotti, K. Yakushiji, Tsunegi, S, Yakushiji, K, Y. Li, Cros, V, A. Fukushima, S. Yuasa, Grollier, J, X. de Milly, Klein, Olivier, Grollier, J., F. Abreu Araujo, de Loubens, G., H. Kubota, Lebrun, R, J. Grollier, Klein, O., A. Hamadeh, Fukushima, A., de Loubens, Grégoire, LI , Yi, Yakushiji, K., Kubota, H., Araujo, A,, de Milly, Xavier, Cros, V., Abreu Araujo, Flavio, Tsunegi, S., Yuasa, S.   +45 more
core   +1 more source

Bioinspired Soft‐Skeleton Robotics With Cooperative Shape Transformation and Stiffness Adaptation

Advanced Robotics Research, EarlyView.
A bioinspired soft‐skeleton robot that integrates variable‐stiffness chain skeletons into a soft textile skin is developed. The chain skeletons are highly flexible initially but can stiffen upon pneumatic actuation, enabling large deformation and enhanced load‐bearing capacity.
Mengyuan Niu, Xiaorui Hu, Chenmin Yuan, Haoyun Li, Xuzhong Su, Fengxin Sun   +5 more
wiley   +1 more source

Current-induced spin torque resonance of a magnetic insulator

, 2015
We report the observation of current-induced spin torque resonance in yttrium iron garnet/platinum bilayers. An alternating charge current at GHz frequencies in the platinum gives rise to dc spin pumping and spin Hall magnetoresistance rectification ...
Huebl, H. (author), Schreier, M. (author), Bauer, G.E.W. (author), Gross, R. (author), Goennenwein, S.T.B. (author), Chiba, T. (author), Niedermayr, A. (author), Lotze, J. (author), Geprags, S. (author), Takahashi, S. (author)   +9 more
core   +1 more source

MicroRoboScope: A Portable and Integrated Mechatronic Platform for Magnetic and Acoustic Microrobotic Experimentation

Advanced Robotics Research, EarlyView.
This work presents the MicroRoboScope, a highly integrated, compact, and portable microrobotic experimentation platform combining electromagnetic and acoustic actuation with real‐time visual feedback into a single, end‐to‐end device. The system enables closed‐loop control and tracking algorithm experimentation within an accessible and unified hardware ...
Max Sokolich, Yanda Yang, Subrahmanyam Cherukumilli, Fatma Ceren Kirmizitas, Sambeeta Das   +4 more
wiley   +1 more source

Influence of interlayer coupling on the spin-torque-driven excitations in a spin-torque oscillator

, 2017
International audienceThe influence of dynamic interlayer interactions on the spin-torque-driven and damped excitations areillustrated for a three layermacrospin model system that corresponds to a standard spin-torque oscillator.
E. Monteblanco, García-Sánchez, Felipe, Romera, M., Buda-Prejbeanu, L. D., Monteblanco, Elmer, Delaet, B., M. Romera, Romera Rabasa, Miguel Álvaro, Garcia-Sanchez, F., U. Ebels, Ebels, U., Monteblanco, E., Delaët, Bertrand, L. D. Buda-Prejbeanu, Buda-Prejbeanu, Liliana, F. Garcia-Sanchez, B. Delaët, Ebels, Ursula   +17 more
core   +1 more source

Functional Fibers in Soft Robotics: Advances in Material, Structural, and Systemic Tactics

Advanced Robotics Research, EarlyView.
Fiber‐form robotic systems offer a scalable pathway toward embodied intelligence in soft robotics. This review surveys functional fibers as material, structural, and systemic elements, highlighting advances in responsive materials, architectural programing, and fabrication strategies.
Joonhee Won, Jaehyun Jang, Hyeonseo Kim, Inyoung Choi, Steve Park, Seongjun Park   +5 more
wiley   +1 more source

Laser-Induced Rashba Spin-Orbit Torques in Multiferroic Semiconductor (Ge,Mn)Te. [PDF]

Adv Sci (Weinh)
Femtosecond optical excitation generates two distinct effective spin–orbit torques in the multiferroic semiconductor (Ge,Mn)Te. Photoinduced holes drive coherent magnetization precession through a subpicosecond shift of the easy axis, while changes in ferroelectric sublattice displacements modify magnetic ordering via the Rashba interaction.
Sadeghi Z, Ostatnický T, Schmoranzerová E, Kimák J, Kriegner D, Reichlová H, Nádvorník L, Springholz G, Dil JH, Krempasky J, Němec P.   +10 more
europepmc   +2 more sources

Modulation of spin transfer torque amplitude in double barrier magnetic tunnel junctions

, 2015
International audienceMagnetization switching induced by spin transfer torque is used to write magnetic memories (Magnetic Random Access Memory, MRAM) but can be detrimental to the reading process.
C. Baraduc, L. Vila, Vila, Laurent, B. Diény, Ducruet, Clarisse, Dieny, Bernard, M. Chshiev, Baraduc, Claire, P.-Y. Clément, Clement, Pierre-Yves, Chshiev, Mairbek, C. Ducruet   +11 more
core   +1 more source