这种是一种晶面表示方法，叫Miller方法。就是用晶面（或者平面点阵）在三个晶轴上的截数的倒数的互质整数比来标记。
其原因是硼元素的掺入促进了金刚石单晶的(111)晶面生长，使受主能级提高，晶体的带隙变窄，载流子浓度提高。
It is indicated that the boron doping promotes the growth of (111) face of the diamonds, enhances acceptor level, narrow 's band gap and increases carrier concentration correspondingly.
缓凝剂对晶面的选择性吸附，改变了二水石膏晶体的生长习性和形貌。
The preferred adsorption of retarders on different faces of gypsum crystal changes growth habit of dihydrate crystal and its crystal morphology.
加入低浓度的时，生成片状、圆形的COM晶体，(020)晶面消失。
It form slice, rounded COM crystals and the (020) face of COM to disappear in low concentration.
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