Tunable dispersion relations manipulated by strain in skyrmion-based magnonic crystals

被引：1
作者：
Jin, Zhao-Nian [1 ]
He, Xuan-Lin [2 ,3 ]
Yu, Chao [2 ,3 ]
Fang, Henan [2 ,3 ]
Chen, Lin [2 ,3 ]
Tao, Zhi-Kuo [2 ,3 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Bell Honors Sch, Nanjing 210003, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Coll Flexible Elect, Nanjing 210003, Peoples R China
来源：
CHINESE PHYSICS B | 2024年 / 33卷 / 01期
关键词：
skyrmion; magnonic crystal; spin wave; dispersion relation; 75.30.Ds; 75.80.+q; 85.70.Ay; 12.39.Dc; LATTICE; MOTION;
D O I：
10.1088/1674-1056/acf03c
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We theoretically investigate the propagation characteristics of spin waves in skyrmion-based magnonic crystals. It is found that the dispersion relation can be manipulated by strains through magneto-elastic coupling. Especially, the allowed bands and forbidden bands in dispersion relations shift to higher frequency with strain changing from compressive to tensile, while shifting to lower frequency with strain changing from tensile to compressive. We also confirm that the spin wave with specific frequency can pass the magnonic crystal or be blocked by tuning the strains. The result provides an advanced platform for studying the tunable skyrmion-based spin wave devices.
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页数：5
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