1. Centro de Física de Materiales (CFM) (CSIC–UPV/EHU)—Materials Physics Center (MPC), Paseo Manuel de Lardizabal 5, 20018 San Sebastián, Spain
2. Institut Laue–Langevin, BP 156, 38042 Grenoble Cedex 9, France
3. Laboratory for Neutron Scattering, Paul Scherrer Institut, CH-5232 Villigen, Switzerland
4. Jülich Centre for Neutron Science (JCNS), Forschungszentrum Jülich GmbH, Outstation at MLZ, Lichtenbergstraße 1, 85747 Garching, Germany