采用激光加热基座法从粉末源棒直接制备LED白光源用Ce3＋∶YAG单晶光纤荧光材料。通过单次或多次生长可以得到直径150～1000 μm各种Ce......

　　Chirality is one of the most important fundamental features in nature.Most biological molecules are chiral,and many ......