对掺Sm的CdTe(CdTe:Sm)晶体的红外光谱(400～5000cm~(-1))研究表明其中存在Sm~(2+)和Sm~(3+)两种价态的Sm离子,Sm~(2+)处于晶体的间......

用改进的Bridgman方法首次生长了Cd_(1-x)Sm_xTe(x=0.0005,0.005,0.01,0.05)晶体。用光荧光方法测量了样品在液氮下的光致发光谱,......