Abstract:
Layered magnetic films of Co–P alloy, which are sets of laminates with certain atomic and chemical structures, have been investigated by spin-wave resonance. Coatings of two types were synthesized: a magnonic crystal (amorphous Co(P)/fcc Co(P))$_N$ and gradient Co(P) films. They exhibit two different modifications of the spin-wave resonance (SWR) spectrum. In the first case, the SWR spectrum is described as $H_{n}(n)\sim n^2$ with a modification caused by the formation of the first stop band of the magnonic crystal. In the second case, the dependence of resonance fields Hn of the spin-wave modes on mode number $n$ has the form of $H_{n}(n)\sim n^{2/3}$. Thermal annealing leads to crystallization (amorphous alloy $\to$ fcc) and causes transformation of the layered films to the films of single-phase Co–P alloys, which is accompanied by a change in the shapes of the SWR spectra and occurrence of a “exchange kink” spectral modification.
Citation:
R. S. Iskhakov, S. V. Stolyar, L. A. Chekanova, I. G. Vazhenina, “Spin-wave resonance in one-dimensional magnonic crystals by an example of multilayer Co–P films”, Fizika Tverdogo Tela, 62:10 (2020), 1658–1664; Phys. Solid State, 62:10 (2020), 1861–1867
\Bibitem{IskStoChe20}
\by R.~S.~Iskhakov, S.~V.~Stolyar, L.~A.~Chekanova, I.~G.~Vazhenina
\paper Spin-wave resonance in one-dimensional magnonic crystals by an example of multilayer Co--P films
\jour Fizika Tverdogo Tela
\yr 2020
\vol 62
\issue 10
\pages 1658--1664
\mathnet{http://mi.mathnet.ru/ftt8286}
\crossref{https://doi.org/10.21883/FTT.2020.10.49915.115}
\elib{https://elibrary.ru/item.asp?id=44041042}
\transl
\jour Phys. Solid State
\yr 2020
\vol 62
\issue 10
\pages 1861--1867
\crossref{https://doi.org/10.1134/S1063783420100121}
Linking options:
https://www.mathnet.ru/eng/ftt8286
https://www.mathnet.ru/eng/ftt/v62/i10/p1658
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