Mode interference and periodic self-focusing of spin waves in permalloy microstripes

Demidov VE, Demokritov SO, Rott K, Krzysteczko P, Reiss G (2008)
PHYSICAL REVIEW B 77(6).

Journal Article | Published | English

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We have studied propagation of spin waves in transversally magnetized permalloy microstripes. Our findings show that the interference of spin-wave modes quantized in the direction perpendicular to the stripe axis leads to a spatial pattern characterized by a periodic concentration of the spin-wave energy in the middle of the stripe, which can also be considered as a periodic self-focusing of spin waves. We present a simple model connecting the spatial period of the interference pattern with the width of the stripe and the spin-wave frequency. The studied phenomenon can be used for efficient transmission and processing of microwave-frequency signals by means of spin waves on the nanometer scale.
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Demidov VE, Demokritov SO, Rott K, Krzysteczko P, Reiss G. Mode interference and periodic self-focusing of spin waves in permalloy microstripes. PHYSICAL REVIEW B. 2008;77(6).
Demidov, V. E., Demokritov, S. O., Rott, K., Krzysteczko, P., & Reiss, G. (2008). Mode interference and periodic self-focusing of spin waves in permalloy microstripes. PHYSICAL REVIEW B, 77(6).
Demidov, V. E., Demokritov, S. O., Rott, K., Krzysteczko, P., and Reiss, G. (2008). Mode interference and periodic self-focusing of spin waves in permalloy microstripes. PHYSICAL REVIEW B 77.
Demidov, V.E., et al., 2008. Mode interference and periodic self-focusing of spin waves in permalloy microstripes. PHYSICAL REVIEW B, 77(6).
V.E. Demidov, et al., “Mode interference and periodic self-focusing of spin waves in permalloy microstripes”, PHYSICAL REVIEW B, vol. 77, 2008.
Demidov, V.E., Demokritov, S.O., Rott, K., Krzysteczko, P., Reiss, G.: Mode interference and periodic self-focusing of spin waves in permalloy microstripes. PHYSICAL REVIEW B. 77, (2008).
Demidov, Vladislav E., Demokritov, Sergej O., Rott, Karsten, Krzysteczko, Patryk, and Reiss, Günter. “Mode interference and periodic self-focusing of spin waves in permalloy microstripes”. PHYSICAL REVIEW B 77.6 (2008).
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