The work concerns small-signal spectra of space-charge-limited current below threshold frequency (ft) of shallow traps. It is shown that below ft the small-signal concentration of trapped charge carriers is proportional to and in phase with small-signal concentration of free charge carriers, so there is no room for “slow shallow traps”. Conductance can be reduced by the traps, however no change in the range of real capacitance can be noticed. Applying the susceptance method for extraction of charge carrier mobility we get effective mobility which should be treated as mobility averaged over all charge carriers.
Authors
Additional information
- DOI
- Digital Object Identifier link open in new tab 10.1016/j.chemphys.2015.02.014
- Category
- Publikacja w czasopiśmie
- Type
- artykuł w czasopiśmie wyróżnionym w JCR
- Language
- angielski
- Publication year
- 2015
