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JJAP
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Controlled Growth of GaN Columns and 3D Core-Shell LEDs by MOVPE
GaN three-dimensional columnar core-shell LEDs are considered to be one of the promising candidates for prospective solid state lighting. In comparison to conventional planar layer LEDs, columnar core-shell LEDs have many advantages. For instance, in a columnar GaN coreshell LED structure the InGaN/GaN MQW wraps around the column, therefore the light emitting area can be enormously increased. This is the main driving force behind the intense investigation of nanowire and micro-columnar LEDs. In addition, because of the increased area of the MQW, the internal quantum efficiency may be improved by a reduction of the local carrier density, mitigating the efficiency droop. Besides, due to the re...
Heterostructure Epitaxy and Devices
Heterostructure Epitaxy and Devices contains a selection of the papers contributed to the NATO Advanced Research Workshop of the same name, held near Bratislava in October 1995. Some of the leading research teams in the world present their latest findings, which are grouped under five headings: Epitaxial growth; Heterostructures; Composite systems; Characterization; and Devices.
JJAP Letters
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