exciton的意思？

exciton的音标：exciton的英式发音音标为：['eksɪtɒn]exciton的美式发音音标为：['eksaɪˌtɒn]...

Exciton is electron - hole pair held together by their mutual Coulomb interaction.激子就是由电子和空穴在相互间的库仑力作用下,相互维持在一起的电子 -- 空穴对.As to the emission at 370 nm, It'should result from exciton recombination radiation.而在370nm处的...