Browse DORAS
Browse Theses
Search
Latest Additions
Creative Commons License
Except where otherwise noted, content on this site is licensed for use under a:

Analysis of the impact of dislocation distribution on the breakdown voltage of GaAs-based power varactor diodes

McNally, Patrick J. and Herbert, P.A.F. and Tuomi, T. and Karilahti, M. and Higgins, J.A. (1996) Analysis of the impact of dislocation distribution on the breakdown voltage of GaAs-based power varactor diodes. Journal of Applied Physics, 79 (11). ISSN 0021-8979

Full text available as:

[img]
Preview
PDF - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
242Kb

Abstract

A synchrotron x-ray topography analysis of the impact of the distribution of defects/dislocations on the electrical performance of GaAs power varactor diodes was carried out. Diodes fabricated on or near Liquid Encapsulated Czochralski cellular dislocation networks in the substrate, which are also known to be rich in As precipitates near these cell walls, were observed to have reduced breakdown voltages (VBR). This is consistent with the possibility that the presence of space-charge cylinders surrounding these dislocations gives rise to reduced VBR if they thread a p-n junction; it is also in accord with the possibility that the As precipitates themselves can act as sites for local field enhancement, thus promoting premature avalanche breakdown.

Item Type:Article (Published)
Refereed:Yes
Subjects:Engineering > Electronics
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Research Initiatives and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Publisher:American Institute of Physics
Official URL:http://dx.doi.org/10.1063/1.362470
Copyright Information:©1996 American Institute of Physics.
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:38
Deposited On:06 Feb 2008 by DORAS Administrator. Last Modified 30 Jan 2009 10:56

Download statistics

Archive Staff Only: edit this record