量子点几何形状对场发射的影响

2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI:10.1109/CODEC.2012.6509299

S. Sett, C. Bose

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引用次数: 1

摘要

我们对不同几何形状量子点的场发射进行了比较研究。当然，我们从一个经历福勒-诺德海姆隧穿的量子箱(立方体)中推导出场发射电流密度。另外三个量子点——一个是球形的，两个是圆柱形的，它们的体积都和量子立方体一样。研究了各点电流密度随外加电场和点尺寸的变化规律，并对其进行了比较。

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Influence of geometrical shape of quantum dot on field emission

We present a comparative study of field emission from quantum dots of different geometrical shapes. In course, we formulate the field emission current density from a quantum box (cube) experiencing Fowler Nordheim tunneling. Three other quantum dots - one spherical and two cylindrical, all of volume as same as the quantum cube, are considered. Variations of the current density with applied electric field and dot dimension are studied for all dots, and compared in this communication.

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2012 5th International Conference on Computers and Devices for Communication (CODEC)

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