Researchers have discovered a unique phenomenon of acoustic wave propagation called 'nonreciprocal diffraction,' which could lead to the development of innovative acoustic devices for communication technologies.
A unique propagation phenomenon of acoustic waves has been discovered, paving the way for developing advanced communication technologies using acoustic devices. The research was led by the Institute for Materials Research at Tohoku University, in collaboration with the Japan Atomic Energy Agency and the RIKEN Center for Emergent Matter Science.
In the experiment, the team used advanced nanofabrication techniques to create a periodic array of nanoscale magnetic materials. The magnetic nanoscale array can be thought of as a specialized grating that the waves go through. To their surprise, instead of the typical symmetric diffraction pattern, the research team observed a completely novel, asymmetrical diffraction phenomenon of SAWs called"nonreciprocal diffraction.
Through theoretical analysis, the research team identified this asymmetrical behavior as arising from the unique interaction between SAWs and magnetic materials, specifically related to their angular momenta. A new study introduces a breakthrough in making nanocrystals function together electronically. The research may open the doors to future devices with new ...
ACOUSTIC WAVES MAGNETISM NANOTECHNOLOGY COMMUNICATION TECHNOLOGIES QUANTUM COMMUNICATION
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