Spin-Wave Resonance in a Multilayer Co_1xP_x/Co_1yP_y Structure
as a Method of Detection of the Bragg Gaps
in a Spin Wave Spectrum

R. S. Iskhakov^a, *, S. V. Stolyar^{a, b}, L. A. Chekanova^a, and M. V. Chizhik^b

^a Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences,
Akademgorodok 50–38, Krasnoyarsk, 660036 Russia

* e-mail: rauf@iph.krasn.ru

^b Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, 660041 Russia

Received July 12, 2011; in final form, September 23, 2011

Abstract—The method of spin-wave resonance has been used to detect in multilayer (Co₉₈P₂/Co₉₅P₅)_N struc-
tures a modification of the exchange spin wave spectrum due to the formation of the first, second, and third Bril-
louin zones in a one-dimensional magnon crystal formed by a periodic modulation of the exchange. The band
gaps have been measured for wave vectors k_b = /(d₁ + d₂) and 2k_b.

DOI: 10.1134/S1063783412040117

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