One of the two phases is richer and the other poorer inSnSe. The phase separation causes a decrease jn activation barrier for the formation ofZrSe_2 nucleation substrates, thereby favours the nucleation of the major crystalline phase(GeSe_2 and SnSe).

• 分相不仅降低了ZrSe_2核化的活化能垒,而且对GeSe_2与SnSe的成核都产生有利影响。