Title: | Fabrication of heteroepitaxial templates for GaN-based optoelectronic devices Heteroepitaksiaalisten alustakiteiden valmistus GaN-pohjaisiin optoelektronisiin komponentteihin |
Author(s): | Lang, Teemu |
Date: | 2007-02-23 |
Language: | en |
Pages: | 49, [34] |
Department: | Department of Electrical and Communications Engineering Sähkö- ja tietoliikennetekniikan osasto |
ISBN: | 978-951-22-8612-6 |
Series: | TKK dissertations, 59 |
ISSN: | 1795-4584 |
Subject: | Electrical engineering |
Keywords: | MOCVD, GaN, AlGaN, threading dislocation, MOCVD, GaN, AlGaN, dislokaatio |
OEVS yes | |
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Abstract:Tässä työssä tutkitaan GaN ja AlGaN ohutkalvojen valmistusta safiirialustalle metallo-orgaanisella kaasufaasikasvatuksella (MOCVD). Tavoitteena on etenevien dislokaatioiden tiheyden pienentäminen nitridipuolijohdekalvoissa optoelektronisten komponenttien suorituskyvyn parantamiseksi. Ohutkalvojen laatua analysoidaan röntgendiffraktiolla (XRD), atomivoimamikroskopialla (AFM) ja transmissioelektronimikroskopialla (TEM). |
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Parts:Additional errata file available.V. E. Bougrov, M. A. Odnoblyudov, A. E. Romanov, T. Lang, O. V. Konstantinov, Threading dislocation density reduction in two-stage growth of GaN layers, physica status solidi (a) 203 (2006) R25.T. Lang, M. A. Odnoblyudov, V. E. Bougrov, M. Sopanen, MOCVD growth of GaN islands by multistep nucleation layer technique, Journal of Crystal Growth 277 (2005) 64. [article2.pdf] © 2005 Elsevier Science. By permission.T. Lang, M. A. Odnoblyudov, V. E. Bougrov, S. Suihkonen, M. Sopanen, H. Lipsanen, Morphology optimization of MOCVD-grown GaN nucleation layers by the multistep technique, Journal of Crystal Growth 292 (2006) 26. [article3.pdf] © 2006 Elsevier Science. By permission.T. Lang, M. A. Odnoblyudov, V. E. Bougrov, A. E. Romanov, S. Suihkonen, M. Sopanen, H. Lipsanen, Multistep method for threading dislocation density reduction in MOCVD grown GaN epilayers, physica status solidi (a) 203 (2006) R76.T. Lang, M. A. Odnoblyudov, V. E. Bougrov, S. Suihkonen, O. Svensk, P. T. Törmä, M. Sopanen, H. Lipsanen, Reduction of threading dislocation density in Al<sub>0.12</sub>Ga<sub>0.88</sub>N epilayers by a multistep technique, Journal of Crystal Growth (2007), in press. [article5.pdf] © 2007 Elsevier Science. By permission.S. Suihkonen, O. Svensk, T. Lang, H. Lipsanen, M. A. Odnoblyudov, V. E. Bougrov, The effect of InGaN/GaN MQW hydrogen treatment and threading dislocation optimization on GaN LED efficiency, Journal of Crystal Growth (2007), in press. [article6.pdf] © 2007 Elsevier Science. By permission.O. Svensk, S. Suihkonen, T. Lang, H. Lipsanen, M. Sopanen, M. A. Odnoblyudov, V. E. Bougrov, Effect of growth conditions on electrical properties of Mg-doped p-GaN, Journal of Crystal Growth (2007), in press. [article7.pdf] © 2007 Elsevier Science. By permission. |
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