Properties of trivalent rare earth ions have been extensively understood. Besidesthe +3 valent state, the rare earth elements also have +4, +2 and +1 valencies,clusters and mixture valent compounds. The research of th...Properties of trivalent rare earth ions have been extensively understood. Besidesthe +3 valent state, the rare earth elements also have +4, +2 and +1 valencies,clusters and mixture valent compounds. The research of their synthesis, structure,properties of unusual valent rare earth compounds has theoretical and practicalsignificance. It will broaden the horizon of rare earth chemistry and extend展开更多
基金Project supported by the National Natural Science Foundation of China the Chemical Laboratory on Rare Earth Elements, Changchun Institute of Applied Chemistry, Academia Sinica.
文摘Properties of trivalent rare earth ions have been extensively understood. Besidesthe +3 valent state, the rare earth elements also have +4, +2 and +1 valencies,clusters and mixture valent compounds. The research of their synthesis, structure,properties of unusual valent rare earth compounds has theoretical and practicalsignificance. It will broaden the horizon of rare earth chemistry and extend
