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When Explicit trap distribution is selected as the Domain trapping model, the Discrete Energy Level (Domains) subnode is available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu.
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The Electron lifetime, SRH τn (SI unit: s) is taken From material. For User defined enter a value in the text field. The default is 10 μs.
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The Hole lifetime, SRHτp (SI unit: s) is taken From material. For User defined enter a value in the text field. The default is 10 μs.
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Enter a value for Energy difference between the defect level and the intrinsic level ΔEt (SI unit: V) in the text field. The default is 0 V.
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When Explicit trap distribution is selected as the Domain trapping model, and Specify continuous and/or discrete levels is selected above, the Continuous Energy Levels (Domains) subnode is available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu.
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The Specify trap species check box is not selected by default. In this case the software does not distinguish between different types of trap and the charge due to the traps is determined by the neutral energy level.
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To set the Neutral energy level, select — Midgap (the default), From valence band edge, From conduction band edge, or Relative. Then enter the applicable information:
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Neutral level for traps (available when From valence band edge or From conduction band edge is selected) E0 (SI unit: V). The default is 0 V.
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Neutral level for traps (between 0 and 1, 0.5 is midgap) (available when Relative is selected) E0 (dimensionless). The default is 0.5.
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