Resonant magnetic X-Ray scattering study of KCuF3

C. Mazzoli (1) , F. Fabrizi (1) , Sergio Di Matteo (1) , L. Paolasini (1) , F. de Bergevin (1) , A. Bombardi (2) , P. Ghigna (3) , R. Caciuffo

1 ESRF - European Synchrotron Radiation Facility
2 DIAMOND Light source
3 Dipartimento di Chimica Fisica M. Rolla

In this paper we report on a resonant magnetic X-Ray scattering (RMXS) study of the low dimensional antiferro-magnetic system KCuF3. Azimuthal scans performed on the quadrupolar feature discovered in the spectrum of the magnetic peaks is analysed: the presence of a FE2(3) term poses serious doubts on the local symmetry description at the Cu site.

Mots clés: Magnetic X-Ray scattering; KCuF3; Orbital and magnetic order; Mott-Hubbard insulator; Jahn-Teller distortion

Domaines: Physique Générale [physics.gen-ph]

C. Mazzoli, F. Fabrizi, Sergio Di Matteo, L. Paolasini, F. de Bergevin, et al.. Resonant magnetic X-Ray scattering study of KCuF3. the 17th International Conference on Magnetism, 2006, Japan. pp.796-797, ⟨10.1016/J.JMMM.2006.10.198⟩. ⟨hal-00905421⟩