Two kinds of barriers are presented in SIT, corresponding to channel voltage barrier control (CVBC) mechanism and space charge limited control (SCLC) mechanism respectively.

• 在漏压增长过程中，有两种势垒出现（沟道势垒和空间电荷势垒），它们分别对应于沟道势垒调制和空间电荷势垒调制模式。