首页|Tunable dispersion relations manipulated by strain in skyrmion-based magnonic crystals
Tunable dispersion relations manipulated by strain in skyrmion-based magnonic crystals
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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.
Bell Honors School,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
College of Electronic and Optical Engineering & College of Flexible Electronics,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
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