If the tunnel junction capacitance becomes larger, the amplitude of the I-V curve of single-electron transistor becomes smaller, but the period is unchanged.
同时，单电子三极管I-V曲线的振幅随着隧道结电容的增大而减小，但I-V曲线的周期保持不变。
2
The invention provides a memory cell transistor having multi-layer tunnel insulator and memory device.