Absence of orbital current torque in Ta/ferromagnet bilayers
Liu, L. et al. Spin-torque switching with the giant spin Hall effect of tantalum. Science 336, 555 (2012).…
Observation of a non-reciprocal skyrmion Hall effect of hybrid chiral skyrmion tubes in synthetic antiferromagnetic multilayers
Experimental setup and magnetic properties We have prepared two synthetic antiferromagnets with different degrees of magnetic compensation to…
US team sees tiny spinning waves called magnons moving in magnets
A research team has achieved the first direct observation of magnon spin currents, a critical development for the…
Observing differential spin currents by resonant inelastic X-ray scattering
Uchida, K. et al. Observation of the spin Seebeck effect. Nature 455, 778–781 (2008). Article PubMed ADS CAS …
Scientists Create Magnetic Nanohelices To Control Electron Spin at Room Temperature
The twisting direction of metal nanoparticles is controlled to be right- or left-handed by adding chiral molecules, which…
“It’s Its Own New Thing” – Scientists Discover New State of Quantum Matter
UC Irvine physicists have discovered a new phase of quantum matter with unusual electron-hole pairings. The material’s resilience…
Wrinkled 2D sheets may unlock faster, more efficient devices
Wrinkles can be an asset. Scientists at Rice University have discovered that tiny creases in two-dimensional (2D) materials…
Néel spin-orbit torque in antiferromagnetic quantum spin and anomalous Hall insulators
Formalism We extend the Kane-Mele model by including a collinear AFM order which is exchange coupled to the…
Unconventional scaling of the orbital Hall effect
Manchon, A. et al. Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems. Rev. Mod. Phys. 91, 035004 (2019).…