lasing action造句

• Zno is a directed band semiconductor with a big binding energy . it has gained substantial interest because its large exiton binding energy ( 60mev ) , which could lead to lasing action based exiton recombination even above room temperature , such as led , ld and so on
  Zno是一种宽禁带的直接带隙半导体材料,具有非常高的激子束缚能( 60mv ) ,即使在室温条件下激子也不会分解,因此可以被用作光发射器件,如led和ld等。