实数维度半导体异质结构电子态系演化:模型改进
首发时间:2023-03-10
摘要:这一工作是对先前基于能级弥散概念建立的实数维度半导体电子态系理论模型的改进。作者通过构建本真态密度函数的高维侧伴随函数,修正了阱型异质结构的态系演化相似度函数的定义,并依据该定义仿真得出了2K温度下GaAs材料系阱型异质结构的似二维相似度和似三维相似度曲线,进而确定了相应的能级弥散宽度值,最终得到了与上述结构中任意阱厚值相对应的、在实数区段[2,3]内连续取值的电子态系维度值,从而使得该模型数学表述的底层架构臻于完备。
关键词: 能级弥散 实数维度电子态系理论 高维侧伴随函数 态系演化相似度函数 能级弥散宽度
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Evolution of Real-Number Dimensional Electron-States Architectures in Semiconductor Heterostructures: Theoretical Model Modification
Abstract:This work has been dedicated to the modification of the theoretical model of real-number dimensional electron-states architectures (ESA) previously proposed on the basis of the concept of energy level divergence. The similarity functions in description of the ESA evolution in a well-type heterostructure are re-defined in terms of a newly conceived higher-dimensional-side adjoint function of the essentially-true density-of-states function. According to this definition, the two similarity functions denoting the evolutions towards the 2- and 3-dimensionality extremities, respectively, for the well-type GaAs-system heterostructures at the temperature of 2K are simulated and the expected elegant curves have been presented. And, consequentially, the value of the width of energy level divergence has been determined. Finally, corresponding to arbitrary values of the well-thickness of the above-mentioned structure, the ESA dimensionality values continuously variable within the real-number domain of [2,3] are well specified and thus the completeness of the fundamental mathematical framework of the theoretical model is achieved.
Keywords: energy level divergence theory of real-number dimensional electron-states-architectures higher-dimensional-side adjoint function similarity function in description of electron-states architecture evolution width of energy level divergence
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实数维度半导体异质结构电子态系演化:模型改进
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