Time-resolved measurement of spin-wave spectra in CoO capped Co(t)Pt(7Å) n-1 Co(t) multilayer systems

S. Pal; B. Rana; S. Saha; R. Mandal; O. Hellwig; J. Romero-Vivas; S. Mamica; J. W. Klos; M. Mruczkiewicz; M. L. Sokolovskyy; M. Krawczyk; A. Barman

doi:10.1063/1.3672857

Time-resolved measurement of spin-wave spectra in CoO capped Co(t)Pt(7Å) _n-1 Co(t) multilayer systems

S. Pal, B. Rana, S. Saha, R. Mandal, O. Hellwig, J. Romero-Vivas, S. Mamica, J. W. Klos, M. Mruczkiewicz, M. L. Sokolovskyy, M. Krawczyk, A. Barman

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

We present an all-optical time-resolved measurement of dipole-exchange spin wave spectra in a series of CoO capped Co(t)Pt(7Å) _n-1 Co(t) multilayer systems, where the total Co moment (n × t) is constant. In general, the spectra consist of two intense peaks and additional lower intensity peaks. The observed spin wave modes are modeled by a discrete dipole approximation. The frequency of the spin wave bands depends significantly upon the magnetic anisotropy and the lattice spacing between planes. Both symmetric and anti-symmetric modes are observed from the calculation of the spin-wave profiles across the multilayer in the out-of-plane direction.

Original language	English
Article number	07C507
Journal	Journal of Applied Physics
Volume	111
Issue number	7
DOIs	https://doi.org/10.1063/1.3672857
Publication status	Published - 2012 Apr 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Pal, S., Rana, B., Saha, S., Mandal, R., Hellwig, O., Romero-Vivas, J., Mamica, S., Klos, J. W., Mruczkiewicz, M., Sokolovskyy, M. L., Krawczyk, M., & Barman, A. (2012). Time-resolved measurement of spin-wave spectra in CoO capped Co(t)Pt(7Å) _n-1 Co(t) multilayer systems. Journal of Applied Physics, 111(7), [07C507]. https://doi.org/10.1063/1.3672857

Time-resolved measurement of spin-wave spectra in CoO capped Co(t)Pt(7Å) _n-1 Co(t) multilayer systems. / Pal, S.; Rana, B.; Saha, S.; Mandal, R.; Hellwig, O.; Romero-Vivas, J.; Mamica, S.; Klos, J. W.; Mruczkiewicz, M.; Sokolovskyy, M. L.; Krawczyk, M.; Barman, A.

In: Journal of Applied Physics, Vol. 111, No. 7, 07C507, 01.04.2012.

Research output: Contribution to journal › Article

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abstract = "We present an all-optical time-resolved measurement of dipole-exchange spin wave spectra in a series of CoO capped Co(t)Pt(7{\AA}) n-1 Co(t) multilayer systems, where the total Co moment (n × t) is constant. In general, the spectra consist of two intense peaks and additional lower intensity peaks. The observed spin wave modes are modeled by a discrete dipole approximation. The frequency of the spin wave bands depends significantly upon the magnetic anisotropy and the lattice spacing between planes. Both symmetric and anti-symmetric modes are observed from the calculation of the spin-wave profiles across the multilayer in the out-of-plane direction.",

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AU - Mandal, R.

AU - Hellwig, O.

AU - Romero-Vivas, J.

AU - Mamica, S.

AU - Klos, J. W.

AU - Mruczkiewicz, M.

AU - Sokolovskyy, M. L.

AU - Krawczyk, M.

AU - Barman, A.

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