TY - JOUR
T1 - Crystal structure of Sr0.4 Ce0.4TiO 3 ceramics
AU - Ubic, Rick
AU - Subodh, Ganesanpotti
AU - Gout, Delphine
AU - Sebastian, Mailadil T.
AU - Proffen, Thomas
PY - 2009/10/13
Y1 - 2009/10/13
N2 - A cerium-doped Sr TiO3 compound with the composition Sr0.4Ce0.4TiO3 has been produced by conventional solid-state processing. The structure of this compound was analyzed by X-ray, electron, and neutron diffraction. While no superlattice can be observed via X-ray diffraction, both electron and neutron diffraction show evidence of a noncubic supercell caused by antiphase tilting of oxygen octahedra. The most likely space group is C2/c, corresponding to an a-b-b-tilt system. Octahedra are tilted by ̃5̊ about the pseudo-cubic a-axis and ̃1.5̊ about the pseudo-cubic b-and c-axes.
AB - A cerium-doped Sr TiO3 compound with the composition Sr0.4Ce0.4TiO3 has been produced by conventional solid-state processing. The structure of this compound was analyzed by X-ray, electron, and neutron diffraction. While no superlattice can be observed via X-ray diffraction, both electron and neutron diffraction show evidence of a noncubic supercell caused by antiphase tilting of oxygen octahedra. The most likely space group is C2/c, corresponding to an a-b-b-tilt system. Octahedra are tilted by ̃5̊ about the pseudo-cubic a-axis and ̃1.5̊ about the pseudo-cubic b-and c-axes.
UR - http://www.scopus.com/inward/record.url?scp=70350228291&partnerID=8YFLogxK
U2 - 10.1021/cm9018698
DO - 10.1021/cm9018698
M3 - Article
AN - SCOPUS:70350228291
SN - 0897-4756
VL - 21
SP - 4706
EP - 4710
JO - Chemistry of Materials
JF - Chemistry of Materials
IS - 19
ER -