61晶体结构615陶瓷结构 刚玉结构 62晶体的缺陷 A|2/3充满 621点缺陷 Interstitial impurity elf-interstitial Substitutional impunty ions terstitial Frenkel defect10 刚玉结构 6.1 晶体结构 6.1.5 陶瓷结构 O2- Al3+ 2/3充满 6.2 晶体的缺陷 Self-interstitial Vacancy 6.2.1 点缺陷 Interstitial impurity Substitutional impurity ions Cation vacancy Interstitial Anion vacancy Frenkel defect Schottky defect