Journal
APPLIED PHYSICS LETTERS
Volume 99, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3658804
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Funding
- NSF [DMR-0827249]
- DOE [DE-FG02-07ER46374]
- NSFC [50971023, 60721001, 60425102]
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We have demonstrated that spin wave resonance in a permalloy microstrip can be detected by an electrical method based on magnetic tunnel junction structures. The detection method promises high spatial resolution and sensitivity. Both even and odd spin wave resonance modes can be clearly observed in a permalloy microstrip. The spin wave induced voltage is proportional to the input microwave power at each resonance mode. Data analysis using the model of quantized dipole-exchange spin wave resonance suggests the edge pinning of spin wave sensitively depends on the order of the spin wave mode, as well as on the excitation frequency for modes of the higher order. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3658804]
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