High resolution electron microscopy (HKEM) and electron diffraction pattern (EDP) indicated that there are three phases in the material which can be represented by Phase A, B and C, respectively.

• 高分辨电子显微术(HREM)及电子衍射图(EDP)分析表明,在这种材料中存在三种相,分别用A、B、C来表示。