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Lookup NU author(s): Professor Nick Wright,
Dr Christopher Johnson,
Professor Anthony O'Neill,
Dr Alton Horsfall,
Dr Sylvie Ortolland,
Dr Gordon Phelps
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The effects of post-implant anneal conditions on the level of residual damage resulting from nitrogen and boron implants after different anneal processes are investigated using the positron annihilation spectroscopy (PAS) technique. It is shown that after implantation there is a substantial defect concentration significantly below the range of the implants. However such damage is almost completely recovered after anneal in contrast with the damage close to the implant range point. Such residual damage has a strong effect on the electrical characteristics of double implanted bipolar transistors principally though reduction in carrier mobility and lifetime. It is shown that the precise implant and anneal conditions play a strong role in the level of such damage and the subsequent electrical performance of bipolar devices. (6 References).
Author(s): Wright NG; Ortolland S; Phelps GJ; ONeill AG; Horsfall A; Adachi K; Johnson CM; Knights AP; Coleman PG; Burrows CP
Editor(s): Agarwal, A
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Silicon Carbide - Materials, Processing and Devices. Symposium (Materials Research Society Symposium Proceedings
Year of Conference: 2001
Publisher: Materials Research Society
Notes: Agarwal A
Cooper JA Jr
30.1-5. Warrendale, PA, USA.
Silicon Carbide - Materials, Processing and Devices. Symposium. Boston, MA, USA. 27-29 Nov. 2000.