Hexagonal copper disk lattice unleashes spin wave control

https://phys.org/news/2024-02-hexagonal-copper-disk-lattice-unleashes.html

"rotating magnonic crystal and spin wave incident angle for 2D magnonic crystal comprising magnetic insulator and copper disks... periodically arranged small copper disks in hexagonal pattern with diameters <1 mm on tmagnetic garnet film insulator enabling low spin wave losses, less power consumption, less heat, high integration, efficiency... incident angle of spin waves... magnonic band gap frequency, 10 to 30 ° largely unchanged... miniaturization of communication devices in AR and automation technology"