K(UO)Si2O6: a pentavalent-uranium silicate.
We report the first example of pentavalent-uranium silicate synthesized by a high-temperature, high-pressure hydrothermal method. The 3-D framework consists of four-membered single rings of corner-sharing SiO4 tetrahedra and 1-D UO4/1O2/2 chains. Magnetic susceptibility and XPS were measured to identify the valence state of uranium.
Chen
Chih-Shan
CS
Department of Chemistry, National Central University, Chungli, Taiwan 320, ROC.
Lee
Shang-Fan
SF
Lii
Kwang-Hwa
KH