期刊
SOLID STATE COMMUNICATIONS
卷 198, 期 -, 页码 13-17出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2013.12.019
关键词
Ferroelectric; Ferromagnetic; Magnetoelectric coupling; Magnonics
资金
- German Priority Program SPP 1538 spin caloric transport [GR1640/5-1]
- German Excellence Cluster Nanosystems Initiative Munich
- Academy of Finland [260361]
- European Research Council [ERC-2012-StG307502-E-CONTROL]
- Finnish Doctoral Program in Computational Sciences
- National Doctoral Program in Materials Physics
- Academy of Finland (AKA) [260361, 260361] Funding Source: Academy of Finland (AKA)
Spin dynamics controlled by magnetoelastic coupling and applied electric fields might play a vital role in future developments of magnonics, i.e., the exploitation of spin waves for the transmission and processing of information. We have performed broadband spin-wave spectroscopy on a magnetostrictive CoFeB alloy grown on a ferroelectric BaTiO3 substrate causing elastic strain with a quasi-periodic modulation. We find characteristic eigen frequencies and spin-wave modes with large group velocities and small damping. These results suggest bright perspectives for electric-field control of reprogrammable magnonics. (C) 2014 Published by Elsevier Ltd.
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