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A novel double-gate (DG) junction field effect transistor (JFET) with depletion operation mode is proposed in this paper. Compared with the conventional DG MOSFET, the novel DG JFET can achieve excellent performance with square body design, which relaxes the requirement on silicon film thickness of DG devices. Moreover, due to the structural symmetry, both p-type and n-type devices can be realized on exactly the same structure, which greatly simplifies integration. It can reduce the delay by about 60% in comparison with the conventional DG MOSFETs. 相似文献
2.
Two kinds of corner effects existing in double-gate (DG) and
gate-all-around (GAA) MOSFETs have been investigated by
three-dimensional (3D) and two-dimensional (2D) simulations. It is
found that the corner effect caused by conterminous gates, which is
usually deemed to deteriorate the transistor performance, does not
always play a negative role in GAA transistors. It can suppress the
leakage current of transistors with low channel doping, though it
will enhance the leakage current at high channel doping. The study of
another kind of corner effect, which exists in the corner at the
bottom of the silicon pillar of DG/GAA vertical MOSFETs, indicates
that the D-top structure with drain on the top of the device pillar
of vertical transistor shows great advantage due to lower leakage
current and better DIBL (drain induced barrier lowering) effect
immunity than the S-top structure with source on the top of the
device pillar. Therefore the D-top structure is more suitable when
the requirement in leakage current and short channel character is
critical. 相似文献
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