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Fig. 7 | Nano Convergence

Fig. 7

From: Ultrafast optical manipulation of magnetic order in ferromagnetic materials

Fig. 7

a Graphic representation of the AO-HDS model in ferromagnets [111]. b Helicity-independent and helicity-dependent magnetization change extracted from TR-MOKE results [113]. c Simulated effective magnetic field for CoPt/Au and CoPt samples with a laser pulse duration of 200 fs. Pulse-dependent switching ratio for d CoPt/Au and e CoPt samples. f Calculated photon energy and laser polarization-dependent total, orbital, and spin IFE constant KIFE. Figure a is reproduced with permission from ref. [111]. Copyright (2016) American Physical Society. Figure b is reproduced with permission from ref. [113]. Copyright (2019) American Physical Society. Figure c, d, and e are reproduced with permission from ref. [116], Copyright (2020) WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim. Figure f is reproduced with permission from ref. [123]. Copyright (2016) American Physical Society

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