A study of resistance modulation by carrier injection Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/fn1071874

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  • A design of a current-controlled variable resistor was attempted. It is a four-terminal device with two junctions, one of which serves as carrier injector to increase the carrier concentration in the bulk of a gold-doped silicon substrate. Then resistance of the bulk can be varied with different levels of injection. With small output voltage applied, a change of resistance was observed as predicted. The resistance change is slightly more than an order of magnitude with 20 MA as an upper limit of input current. However, when the output voltage increases, saturation occurs. A model was proposed to explain the observed phenomena. In the extent of useful voltage range, the resultant devices are comparable to JFET and MOSFET, which serve as voltage-controlled variable resistors. The work is only a preliminary study and no optimization was made.
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  • File scanned at 300 ppi (Monochrome, 256 Grayscale) using Capture Perfect 3.0 on a Canon DR-9050C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2014-01-09T15:18:59Z (GMT) No. of bitstreams: 1 LeungDanny1973.pdf: 875641 bytes, checksum: 559a835d83b511aabcf0e16b862f2295 (MD5)
  • description.provenance : Approved for entry into archive by Katy Davis(kdscannerosu@gmail.com) on 2014-01-23T18:26:06Z (GMT) No. of bitstreams: 1 LeungDanny1973.pdf: 875641 bytes, checksum: 559a835d83b511aabcf0e16b862f2295 (MD5)
  • description.provenance : Submitted by Georgeann Booth (gbscannerosu@gmail.com) on 2014-01-09T01:53:12Z No. of bitstreams: 1 LeungDanny1973.pdf: 875641 bytes, checksum: 559a835d83b511aabcf0e16b862f2295 (MD5)
  • description.provenance : Made available in DSpace on 2014-01-23T18:26:06Z (GMT). No. of bitstreams: 1 LeungDanny1973.pdf: 875641 bytes, checksum: 559a835d83b511aabcf0e16b862f2295 (MD5) Previous issue date: 1972-10-27

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