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Exploring the accessible frequency range of phase-resolved ferromagnetic resonance detected with x-rays
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10.1063/1.4772613
/content/aip/journal/jap/113/3/10.1063/1.4772613
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/3/10.1063/1.4772613
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

X-ray spectroscopy for Fe recorded at reversed magnetic polarities and . The XMCD is obtained from the difference of these spectra. Time-resolved XMCD scans were taken at the energy marked by the arrow.

Image of FIG. 2.
FIG. 2.

XFMR measurements. (a) Field scans of the normalized XMCD intensity showing data as solid circles and complex Lorentzian fits as solid lines. (b) Resonance frequency squared plotted against field. (c) Time delay scans of the normalized XMCD intensity (solid circles) obtained at the resonance field with sinusoidal fits (solid line). (d) Time delay scan at 2.5 GHz averaged over 5 scans at a bias field of 78 Oe. The vertical bars are standard deviations to the data.

Image of FIG. 3.
FIG. 3.

Numerical amplitude calculations compared with experiment. (a) For visual clarity, the square-root of the normalized amplitude A is plotted versus and f for a fixed bunch length of . The solid circle marks the experimental conditions of the highest attainable frequency at MAX-lab. (b) Experimental and numerical amplitudes of the timing scans, both following a decaying trend with increasing frequency. The standard deviation of the fits to the experimental data is normalized with the amplitude (star symbols). (c) Square-root of the normalized amplitude plotted versus and f for a fixed jitter of . A dashed line marks the 1/f bunch length for comparison. (d) Amplitude profiles for 40 to 650 ps bunch length at .

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/content/aip/journal/jap/113/3/10.1063/1.4772613
2013-01-16
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Exploring the accessible frequency range of phase-resolved ferromagnetic resonance detected with x-rays
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/3/10.1063/1.4772613
10.1063/1.4772613
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