Phonons reflect dynamic spin-state order in LaCoO${}_3$

Alsu Ivashko, Taishun Manjo, Maximilian Kauth +17

We investigate lattice dynamics in LaCoO${}_3$ using inelastic neutron and x-ray scattering over $T = 2\mbox{-}650\,\mathrm{K}$, spanning the spin-state crossover at $T_{1} \approx 1…