量子阱(英語:Quantum well)是指具有離散能量值的勢阱。
為了形成量子化,可以把能夠在三維空間自由運動的粒子束縛在一個平面區域。當量子阱的厚度達到載子(電子或電洞)對應物質波的波長相同的數量級時,量子束縛效應就可以發生,造成子能帶(energy subband),也就是說載子只能具有離散的能量值。
參考
參考文獻
- Thomas Engel, Philip Reid Quantum Chemistry and Spectroscopy. ISBN 0-8053-3843-8. Pearson Education, 2006. Pages 73–75.
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