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World class computing and information science research at Strathclyde...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes

Choi, H.W. and Dawson, M.D. (2005) Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes. Physica Status Solidi C, 2 (7). pp. 2854-2857. ISSN 1862-6351

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Abstract

The electrical and optical characteristics of a 370 nm AlGaN light-emitting diode device based on a microring-array geometry are presented. By structuring the light emission area into an interconnected array of micro-scale rings, the directed light extraction efficiency is enhanced, and current spreading in the n-type cladding layers is improved. A reduction of differential series resistance is observed, and the device saturates at a higher current as the carriers are injected efficiently and uniformly across the junction areas.