Small-signal analysis of granular semiconductors

Aapo Varpula, Juha Sinkkonen, Sergey Novikov

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

2 Citations (Scopus)


The small-signal ac response of granular n-type semiconductors is calculated analytically using the drift-diffusion theory when electronic trapping at grain boundaries is present. An electrical equivalent circuit (EEC) model of a granular n-type semiconductor is presented. The analytical model is verified with numerical simulation performed by SILVACO ATLAS. The agreement between the analytical and numerical results is very good in a broad frequency range at low dc bias voltages.

Original languageEnglish
Article number014002
JournalPhysica Scripta T
Publication statusPublished - 1 Dec 2010
MoE publication typeA4 Article in a conference publication
Event23rd Nordic Semiconductor Meeting, NSM 2009 - Reykjavik, Iceland
Duration: 14 Jun 200917 Jun 2009


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