Crystal-field excitations in multiferroic TbMnO3 by Mn L3 and O K resonant inelastic X-ray scattering

Jiatai Feng (1) , Amélie Juhin (2) , Renaud Delaunay (1, 3) , Romain Jarrier (1) , Nicolas Jaouen (3) , Alessandro Nicolaou (3) , Ryan Sinclair (3) , Haidong Zhou (4) , Jean-Michel Mariot (1) , Sorin G Chiuzbăian (1)

1 LCPMR - Laboratoire de Chimie Physique - Matière et Rayonnement
2 IMPMC - Institut de minéralogie, de physique des matériaux et de cosmochimie
3 SSOLEIL - Synchrotron SOLEIL
4 The University of Tennessee [Knoxville]

d-d excitations in multiferroic TbMnO 3 have been investigated by X-ray absorption spectroscopy and resonant inelastic X-ray scattering at the Mn L 3,2 and O K edges. Confrontation between experimental data and multiplet crystal-field calculations performed for Mn 3þ ions in D 4h symmetry has enabled us to identify the origin of the observed excitations and has provided reliable manganese crystal-field parameters that enter the description of the antisymmetric exchange interaction responsible for the multiferroicity in this compound.

Domaines: Science des matériaux [cond-mat.mtrl-sci]

Jiatai Feng, Amélie Juhin, Renaud Delaunay, Romain Jarrier, Nicolas Jaouen, et al.. Crystal-field excitations in multiferroic TbMnO3 by Mn L3 and O K resonant inelastic X-ray scattering. Journal of Applied Physics, 2017, 47 (3), pp.194101. ⟨10.1063/1.4990683⟩. ⟨hal-03941851v1⟩