β-ZnS透明陶瓷的制备及相生成机理

李泓霄, 李焕勇, 张炫

Preparation and Phase Formation Mechanism of β-ZnS Transparent Ceramics

LI Hongxiao, LI Huanyong, ZHANG Xuan

图4 KBr抑制纳米β-ZnS低温相变机理的示意图

Fig.4 Schematic illustration of mechanism on inhibiting low-temperature phase transition of ZnS nanocrystals (a) mixture of β-ZnS and KBr, (b) KBr molecular layer via spontaneous diffusion, (c) KBr liquid molecular layer and α-ZnS nucleus on ZnS nanopartical surface, (d) ZnSKBr melt dissolving α-ZnS nuclues, (e) β-ZnS nuclei from ZnSKBr melt, (f) β-ZnS grains from melt