Lattice dynamics in the double-helix antiferromagnet FeP

@article{Sukhanov2020LatticeDI,
  title={Lattice dynamics in the double-helix antiferromagnet FeP},
  author={A. S. Sukhanov and S E Nikitin and M. S. Pavlovskiĭ and T. Sterling and Nikita D. Andryushin and Alistair S. Cameron and Yu. V. Tymoshenko and Helen C. Walker and Igor V. Morozov and I. O. Chernyavskii and Saicharan Aswartham and Dmitry Reznik and Dmytro S. Inosov},
  journal={Physical Review Research},
  year={2020}
}
We present a comprehensive investigation of lattice dynamics in the double-helix antiferromagnet FeP by means of high-resolution time-of-flight neutron spectroscopy and ab-initio calculations. Phonons can hybridize with the magnetic excitations in noncollinear magnets to significantly influence their properties. We observed a rich spectrum of phonon excitations, which extends up to $\sim$50 meV. We performed detailed analysis of the observed and calculated spectra for all high-symmetry points… 
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