若不考虑电子与电子之间的斥力,则 可从量子力学盒中粒子(particle in a box)当作简单的模型来 探讨量子点价带与传导带的能隙与直径大小的关系: 由于基本原理是从量子局限演绎而来,这些半导体发光奈米 粒子...
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As in the particle in a box, it is the boundary conditions that force us to quantize the energy.
象在箱中粒子那样,边界条件迫使我们使能量量子化。
Thus, confinement effects modify electron energy levels, similar to a particle in a box, whereby Coulomb blockade effect arises as a consequence of the discrete nature of electric charges.
因此,限制效应改变了电子能水平,就好像一个装在盒子中的颗粒,这就是为什么电荷的离散特性会导致库仑阻塞效应的原因。
When a charged particle zips through the chamber, the vapour condenses into a trail of droplets showing the particle's path and, if the box is placed in a magnetic field, its electrical charge.
当一个带电粒子快速穿越云室时,水汽会凝结形成一串小液滴,这样便标识出了该粒子的路径;若将容器置于一个磁场中,还能知道粒子所带电荷的性质。
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