Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2015

Excitation of magnetic precession in bismuth iron garnet via a polarization-independent impulsive photomagnetic effect

Résumé

A polarization-independent, nonthermal optical effect on the magnetization in bismuth iron garnet is found, in addition to the circular polarization-dependent inverse Faraday effect and the linear polarization-dependent photoinduced magnetic anisotropy. Its impulsive character is demonstrated by the field dependence of the amplitude of the resulting precession, which cannot be explained by a long-living photo or heat-induced anisotropy.

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hal-02070935 , version 1 (24-07-2024)

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Benny Koene, Marwan Deb, Elena Popova, Niels Keller, Theo Rasing, et al.. Excitation of magnetic precession in bismuth iron garnet via a polarization-independent impulsive photomagnetic effect. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 91 (18), pp.184415. ⟨10.1103/PhysRevB.91.184415⟩. ⟨hal-02070935⟩
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