Photoinduced melting of magnetic order in the correlated electron insulator 
NdNiO3

Caviglia, Andrea D.; Först, Michael; Scherwitzl, R.; Khanna, Vikaran; Bromberger, Hubertus; Mankowsky, Roman; Singla, Rashmi; Chuang, Y.-D.; Lee, W. S.; Krupin, O.; Schlotter, W. F.; Turner, J. J.; Dakovski, G. L.; Minitti, M. P.; Robinson, J.; Scagnoli, V.; B.Wilkins, S.; Cavill, S. A.; Gibert, M.; Gariglio, S.; Zubko, P.; Triscone, J.-M.; Hill, J. P.; Dhesi, S. S.; Cavalleri, Andrea

doi:10.1103/PhysRevB.88.220401

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Photoinduced melting of magnetic order in the correlated electron insulator NdNiO₃

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Caviglia, Andrea D.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Kavli Institute of Nanoscience, Delft University of Technology;

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Först, Michael
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Khanna, Vikaran
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Department of Physics, Clarendon Laboratory, University of Oxford;
Diamond Light Source;

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Bromberger, Hubertus
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Mankowsky, Roman
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Singla, Rashmi
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Cavalleri, Andrea
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Department of Physics, Clarendon Laboratory, University of Oxford;

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http://dx.doi.org/10.1103/PhysRevB.88.220401
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PhysRevB.88.220401.pdf
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Citation

Caviglia, A. D., Först, M., Scherwitzl, R., Khanna, V., Bromberger, H., Mankowsky, R., et al. (2013). Photoinduced melting of magnetic order in the correlated electron insulator NdNiO₃. Physical Review B, 88(22): 220401(R). doi:10.1103/PhysRevB.88.220401.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-8E65-B

Abstract

Using ultrafast resonant soft x-ray diffraction, we demonstrate photoinduced melting of antiferromagnetic order in the correlated electron insulator NdNiO₃. Time-dependent analysis of the resonant diffraction spectra allows us to follow the temporal evolution of the charge imbalance between adjacent Ni sites. A direct correlation between the melting of magnetic order and charge rebalancing is found. Furthermore, we demonstrate that the magnetic ordering on the Ni and Nd sites, which are locked together in equilibrium, become decoupled during this nonthermal process.