Magnetic domain wall motion at the nodes and antinodes of high frequency strain waves

Uday Singh; S. Adenwalla

doi:10.1117/12.2322897

20 September 2018 Magnetic domain wall motion at the nodes and antinodes of high frequency strain waves

Uday Singh, S. Adenwalla

Proceedings Volume 10732, Spintronics XI; 107320B (2018) https://doi.org/10.1117/12.2322897
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

The ability to control magnetic domain patterns with high frequency strain waves could result in a novel, fast method for moving domain walls. We examine the motion of magnetic domain walls in Co/Pt multilayers when subject to a high frequency strain standing wave generated by a focused surface acoustic wave transducer. Our ability to map focused strain waves using optical methods allow us to make subsequent magnetic measurements without losing the location of strain nodes and antinodes. Our results indicate that domain walls move preferentially towards strain antinodes and away from the nodes.

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Uday Singh and S. Adenwalla "Magnetic domain wall motion at the nodes and antinodes of high frequency strain waves", Proc. SPIE 10732, Spintronics XI, 107320B (20 September 2018); https://doi.org/10.1117/12.2322897

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