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Chemistry and Properties of Nanocrystals of Different Shapes

机译:不同形状的纳米晶体的化学和性质

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The interest in nanoscale materials stems from the fact that new properties are acquired at this length scale and,equally important,that these properties change with their size or shape.The change in the properties at this length scale is not a result of scaling factors.It results from different causes in different materials.In semiconductors,it results from the further confinement of the electronic motion to a length scale that is comparable to or smaller than the length scale characterizing the electronic motion in bulk semiconducting material (called the electron Bohr radius,which is usually a few nanometers).
机译:对纳米级材料的兴趣源于这样一个事实,即在此长度尺度下获得了新的特性,并且同等重要的是,这些特性随其大小或形状而变化。在此长度尺度下,特性的变化不是缩放因子的结果。它是由不同材料中的不同原因引起的。在半导体中,它是由电子运动的进一步限制导致的,其长度尺度等于或小于表征体半导体材料中电子运动的长度尺度(称为电子玻尔半径) ,通常为几纳米)。

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