沿a,b 轴生长了LaMgAl_(11)O_(19)单晶,用X 射线和光学方法测定了各显露面的密勒指数,利用Hartman-Perdok 的PBC 理论,计算了几个重要显露面的吸附能,根据吸附能的大小判断了显露顺序,理论结果与实验相符。
Crystals LaMgAl_(11)O_(19) have been grown along α or b axis by usingCzochralski technique.The orientations of all the developed facets on the crystals havebeen determined by means of X-ray and optical methods.Based on Hartman′s theory,the strong PBC vect
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