zintl boundary

例句：

1. 1. The researchers found that the zintl boundary in the sample was not stable.
   研究人员发现样本中的锌边界不稳定。
2. 2. Theengineer designed a new zintl boundaryto improve the device's performance.
   工程师设计了一种新的锌边界，以提高设备的性能。
3. 3. The researchon zintl boundaries iscrucial for understanding the behavior of materialsat high temperatures.
   研究锌边界对于理解高温下材料的行为至关重要。