Comprehensive depletion-mode modeling of oxide thin-film transistors Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/kw52jc50d

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  • The primary focus of this thesis is modifying the comprehensive depletion-mode model and extending its applicability to p-channel thin-film transistor (TFT) behavior and subthreshold (subpinchoff) operation. The comprehensive depletion-mode model accurately describes depletion-mode TFT behavior and establishes a set of equations, different from those obtained from square-law theory, which can be used for carrier mobility extraction. In the modified comprehensive depletion-mode model, interface mobility (mu_interface ) and bulk mobility (mu_bulk ) are distinguished. Simulation results reveal that when square-law theory mobility extraction equations are used to assess depletion-mode TFTs, the estimated interface mobility is often overestimated. In addition, the carrier concentration of a thin channel layer can be estimated from an accurate fitting of measured depletion-mode TFT current-voltage characteristics curves using the comprehensive depletion-mode model.
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  • description.provenance : Submitted by Fan Zhou (zhoufa) on 2014-11-24T21:31:19Z No. of bitstreams: 1 ZhouFan2014 .pdf: 1828723 bytes, checksum: 1c137eeb8bc7d5bd7dd7afc11f68743b (MD5)
  • description.provenance : Made available in DSpace on 2014-12-01T17:16:34Z (GMT). No. of bitstreams: 1 ZhouFan2014 .pdf: 1828723 bytes, checksum: 1c137eeb8bc7d5bd7dd7afc11f68743b (MD5) Previous issue date: 2014-11-21
  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2014-11-25T17:19:14Z (GMT) No. of bitstreams: 1 ZhouFan2014 .pdf: 1828723 bytes, checksum: 1c137eeb8bc7d5bd7dd7afc11f68743b (MD5)
  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2014-12-01T17:16:34Z (GMT) No. of bitstreams: 1 ZhouFan2014 .pdf: 1828723 bytes, checksum: 1c137eeb8bc7d5bd7dd7afc11f68743b (MD5)

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