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Development of a Hybrid Molecular Ultraviolet Photodetector based on Guanosine Derivatives

Description: Modern studies on charge transfer reaction and conductivity measurements of DNA have shown that the electrical behavior of DNA ranges from that of an insulator to that of a wide bandgap semiconductor. Based on this property of DNA, a metal-semiconductor-metal photodetector is fabricated using a self-assembled layer of deoxyguanosine derivative (DNA base) deposited between gold electrodes. The electrodes are lithographically designed on a GaN substrate separated by a distance L (50nm < L < 100nm… more
Access: Restricted to the UNT Community Members at a UNT Libraries Location.
Date: December 2005
Creator: Liddar, Harsheetal
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Employment of dual frequency excitation method to improve the accuracy of an optical current sensor, by measuring both current and temperature.

Description: Optical current sensors (OCSs) are initially developed to measure relatively large current over a wide range of frequency band. They are also used as protective devices in the event a fault occurs due to a short circuit, in the power generation and distribution industries. The basic principal used in OCS is the Faraday effect. When a light guiding faraday medium is placed in a magnetic field which is produced by the current flowing in the conductor around the magnetic core, the plane of polariz… more
Date: December 2008
Creator: Karri, Avinash
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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