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Journal Article

Melting of magnetic order in NaOsO3 by femtosecond laser pulses

MPS-Authors
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Windsor,  Yoav William
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Paul Scherrer Institute;

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Rettig,  Laurenz
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Paul Scherrer Institute;

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PhysRevB.105.155147.pdf
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Citation

Giorgianni, F., Burian, M., Gurung, N., Kubli, M., Esposito, V., Staub, U., et al. (2022). Melting of magnetic order in NaOsO3 by femtosecond laser pulses. Physical Review B, 105(15): 155147. doi:10.1103/PhysRevB.105.155147.


Cite as: https://hdl.handle.net/21.11116/0000-000A-7951-3
Abstract
NaOsO3 has recently attracted significant attention for the strong coupling between its electronic band structure and magnetic ordering. Here, we used time-resolved magnetic x-ray diffraction to determine the timescale of the photoinduced antiferromagnetic dynamics in NaOsO3. Our measurements are consistent with a sub-100 fs melting of the antiferromagnetic long-range order that occurs significantly faster than the lattice dynamics as monitored by the transient change in intensity of selected Bragg structural reflections, which instead show a decrease of intensity on a timescale of several ps.