The double-double (or tetrad) effect of low molecular lanthanide complexes has been reportedsince the effect was discovered by Fidelis and Siekierski.However,so
The crystal structure of title complex has been determined by the method of X-ray single crystaldiffraction.The crystal belongs to monoclinic space group C<sub>
The microstructures of the YBCO composited superconducting tapes with different J_c were analysed byTEM.The relationship between microstructure and J_c of the t
The influence of rare earth oxide CeO<sub>2</sub> on microstructure and wear resistance of M<sub>80</sub>S<sub>20</sub> thermal sprayand thermal spray welding c
Fluorescence spectra of Sm<sup>2+</sup>and Eu<sup>2+</sup>→Sm<sup>2+</sup>energy transfer were studied in SrB<sub>4</sub>O<sub>7</sub>.There appearsonly fluore
The sharp luminescent peaks in Yb and Er-implanted InP,SI-InP,GaAs,and n-GaAs were observed at77K.The peaks at 1.0 and 1.5μm come from(4f)<sup>2</sup>F<sub>5/2</