随着掺杂浓度的增加，中性杂质散射作用增强。
With increasing doping concentration, the impact of neutral impurity scattering becomes more significant.
模拟中包含的散射机理主要有声学声子散射、极性光学声子散射、电离杂质散射等。
In our simulation model, the scattering mechanisms include acoustic phonon scattering, polar optical phonon scattering, and ionized impurity scattering and so on.
研究表明，无序层中的杂质散射和粗糙界面散射都能抑制系统的微分电导、平均电流和散粒噪声功率。
It is shown that the differential conductance, average current and shot noise power are suppressed by the impurities and rough interface scattering.
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