Simultaneous structural and metal-insulator transition in RNiO3 perovskites (R=Ho, Y, Er, Lu)

Alonso JA; Martinez-Lope MJ; Casais MT; Garcia-Munoz JL; Fernandez-Diaz MT; Aranda MAG

Materials Science Forum, Vol.378-3, 482-486, 2001

Alonso JA, Martinez-Lope MJ, Casais MT, Garcia-Munoz JL, Fernandez-Diaz MT, Aranda MAG

Based on high resolution neutron (NPD) and X-ray synchrotron (SXPD) powder diffraction data, we present a detailed study of the structural changes associated with the electronic localization in RNiO3 oxides with R= Y, Ho, Er, Lu.

Keywords:neutron powder diffraction;synchrotron powder diffraction;temperature-driven transition