Some high T<sub>c</sub> superconductors REBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-x</sub>(RE=Sm,Eu,Gd,Dy,Ho,Er,Tm) with zero resist-ance temperatures were about 90K h
The intramolecular energy transfer of ortho-phthalic acid-terbium[Tb(phth)<sub>3</sub>]and ortho-toluicacid-terbium[Tb(tolu)<sub>3</sub>],the intermolecular energy
In an acidic solution the mixed polynuclear complexes could be formed by association of rareearth-arsenazo Ⅲ complexing anions with copper o-phenanthrolinate c
Studies on Rare Earth-Hydroboron CompoundsⅫ. The Rare Earth Complexes of 2,2′-Bipyridine-N, N’-dioxide Containing(B<sub>12</sub>H<sub>12</sub>)<sup>2-</sup>,
DyTiFe<sub>11</sub> compound is a ferromagnetic substance.It has tetragonal body-centered ThMn<sub>12</sub>-typecrystallographic structure.At room temperature,t