Theoretical analysis of X-Ray Free-Electron-Laser Experimental Data Using Monte-Carlo and Molecular-Dynamics Based Computational Tools

Kapcia, Konrad Jerzy; Lipp, Vladimir; Tkachenko, Victor; Ziaja, Beata

doi:10.1016/b978-0-12-821978-2.00110-0

Comprehensive Computational Chemistry 2024

DOI: 10.1016/b978-0-12-821978-2.00110-0

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Theoretical analysis of X-Ray Free-Electron-Laser Experimental Data Using Monte-Carlo and Molecular-Dynamics Based Computational Tools

Konrad Jerzy Kapcia

Vladimir Lipp

Victor Tkachenko

et al.

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Ultrafast demagnetization in bulk nickel induced by X-ray photons tuned to Ni M3 and L3 absorption edges

Kapcia,

Tkachenko,

Capotondi

et al. 2024

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Studies of light-induced demagnetization started with the experiment performed by Beaupaire et al. on Ni. Here, we present theoretical predictions for X-ray induced demagnetization of nickel, with X-ray photon energies tuned to its $$M_3$$ M 3 and $$L_3$$ L 3 absorption edges. We show that the specific feature in the density of states in the d-band of Ni, i.e., a sharp peak located just above the Fermi level, strongly influences the change of the predicted magnetic signal, making it stronger than in the previously studied case of X-ray demagnetized cobalt. It impacts also the value of Curie temperature for Ni. We believe that this finding will inspire dedicated experiments investigating magnetic processes in X-ray irradiated nickel and cobalt.

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Ultrafast demagnetization in bulk nickel induced by X-ray photons tuned to Ni M3 and L3 absorption edges

Kapcia,

Tkachenko,

Capotondi

et al. 2024

Sci Rep

Self Cite

View full text Add to dashboard Cite

show abstract

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Theoretical analysis of X-Ray Free-Electron-Laser Experimental Data Using Monte-Carlo and Molecular-Dynamics Based Computational Tools

Cited by 1 publication

References 41 publications

Ultrafast demagnetization in bulk nickel induced by X-ray photons tuned to Ni M3 and L3 absorption edges

Ultrafast demagnetization in bulk nickel induced by X-ray photons tuned to Ni M3 and L3 absorption edges

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