Posts

Showing posts with the label orbitronics

Orbital torque-driven magnetic tunnel junction on an 8-inch pilot line with shared electrode occupies 45% less area than SOT-MRAM

https://www.eurekalert.org/news-releases/1140355 "electrical resistance/ scaling limitations overcome integrating ruthenium-tungsten bilayer write electrode converting electrical charge into orbital angular momentum... maintains perpendicular magnetic anisotropy/ tunneling magnetoresistance through high-temperature manufacturing... consistent resistance uniformity, 28.7 ps switching speeds, reduced writing voltages... significantly denser/ more energy-efficient memory architecture... major semiconductor milestone: practical, scalable hardware orbitronics" Related: Could this memory tech reduce AI's energy demands? https://www.eurekalert.org/news-releases/1141297
Post a Comment
Read more

Chiral host electronically passes light's handedness status for dopant to encode, which along with 0s and 1s potentially doubles bandwidth

https://www.eurekalert.org/news-releases/1125863 "most chiral perovskite semiconductors, having large bandgap, only respond to UV, overcome teaching to see visible light by pairing with non-chiral dopant molecule F4TCNQ excellent at accepting electrons... polarized light eliminates glare/ facilitates biological marker identification/ enables encryption... charge transfer state... preserves spin information even when using visible light... less heat/ lower power than silicon... consumer electronics, fiber optics, solar cells, orbitronics, sensors, secure communications" Related:  1st orbital currents utilized  without first having to be converted into spin currents https://www.eurekalert.org/news-releases/1134637
Post a Comment
Read more

Orbitronics: Generation of orbital current via magnetization dynamics

https://phys.org/news/2024-07-generation-orbital-current-magnetization-dynamics.html "spin angular momentum of electrons called spintronics, these particles' orbital momentum can be called orbitronics... difficult to generate orbital currents... orbital pumping draws inspiration from spin pumping... orbital current generation via magnetization... applying radio-frequency magnetic field to nickel/ titanium bilayer, exciting magnetization in nickel layer, generating orbital current in titanium layer through orbital pumping... future: clarify combined effects of spin currents/ orbital currents... orbitronic devices" Related: Orbitronics Breakthrough Boosts Energy-efficient Tech https://www.miragenews.com/orbitronics-breakthrough-boosts-energy-1326018/ Quantum 'Tornadoes' Spotted in Semimetal May Redefine Electronics https://www.sciencealert.com/quantum-tornadoes-spotted-in-semimetal-may-redefine-electronics Overlooked electron property opens up new avenues for orbitr...
Post a Comment
Read more