Peierls-type structural phase transition in the low-dimensional superconductor
Sc3CoC4
Jan Langmann,
Marcel Vöst,
Andreas Fischer
et al.
Abstract:We provide new information on the progression of the structurally low-dimensional superconductor Sc3CoC4 from its high-temperature phase to its Peierls-type distorted low-temperature phase. Results from inelastic x-ray scattering, diffuse scattering and high-resolution x-ray diffraction experiments provide conclusive evidence that the onset of a modulation in the atomic positions during the structural transition is primarily driven by a combination of phonon softening and order-disorder transition. The complet… Show more
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