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Showing posts with the label magnon

Room temperature light induced high-energy magnon Bose-Einstein condensates change haematite's properties in non-thermal way

https://www.eurekalert.org/news-releases/1091415 "laser controlled collective electron spin magnetic vibration optical excitations (magnons) enabling information THz transmission/ storage... drives high-frequency magnon pairs via laser pulses, changing other magnons' frequencies (electronic transitions, lattice vibrations, magnetic excitations)/ amplitudes, thus magnetic properties in non-thermal way... effects caused by light, not laser excitation nor temperature, fast data transmission without heat slowing it down... also, research quantum effects at room-temperature" Related: Atomic spins set quantum fluid in motion https://www.eurekalert.org/news-releases/1114548
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Nonreciprocally manipulating light phase while maintaining bi-directional transmission amplitude, by coupling microwave photons with magnons

https://phys.org/news/2025-06-nonreciprocal-cavity-magnonics-device.html "alters light pulse velocity without compromising transmission efficiency.... hybridized system: dielectric resonator's photon mode/ magnetic yttrium iron garnet sphere's magnon mode, where magnon mode's chirality is harnessed, inducing nonreciprocity enabled by an additional dissipative coupling introduced via common microstrip... light allowed propagation in both directions but at different speeds... high-speed microwave communication, quantum information processing, neuromorphic computing"
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Magnon field effect transistor paves the way for energy-efficient computing in the post-Moore era

https://communities.springernature.com/posts/magnon-field-effect-transistor-paving-the-way-for-energy-efficient-computing-in-the-post-moore-era "nonvolatile, lateral structure 3-terminal, room temperature, energy efficient magnon transport control via gate voltage pulses... as transistors shrink/ higher speeds, heat generated increases substantially, mitigated by transmitting spin information without electron motion... also, can switch magnetic moments enabling information transmission/ storage... ferrimagnetic insulator layered on ferroelectric material with 3 platinum stripes patterned on magnetic layer serving as injector, gate, and detector, respectively... strong modulation" Related: Novel processor uses magnons to crack complex problems https://phys.org/news/2025-02-processor-magnons-complex-problems.html
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