ArticleNanomaterials (Basel, Switzerland)2020
Impact of Inductively Coupled Plasma Etching Conditions on the Formation of Semi-Polar ( 11 2 ¯ 2 ) and Non-Polar ( 11 2 ¯ 0 ) GaN Nanorods.
Article in Nanomaterials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 8 citations in OpenAlex.
- Impact of Inductively Coupled Plasma Etching Conditions on the Formation of Semi-Polar ( 11 2 ¯ 2 ) and Non-Polar ( 11 2 ¯ 0 ) GaN Nanorods.Nanomaterials (Basel, Switzerland) · 2020Article
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4 authors at 2 institutions in 1 country.
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Abstract
The formation of gallium nitride (GaN) semi-polar and non-polar nanostructures is of importance for improving light extraction/absorption of optoelectronic devices, creating optical resonant cavities or reducing the defect density. However, very limited studies of nanotexturing via dry etching have been performed, in comparison to wet etching. In this paper, we investigate the formation and morphology of semi-polar (112¯2) and non-polar (112¯0) GaN nanorods using inductively coupled plasma (ICP) etching. The impact of gas chemistry, pressure, temperature, radio-frequency (RF) and ICP power and time are explored. A dominant chemical component is found to have a significant impact on the morphology, being impacted by the polarity of the planes. In contrast, increasing the physical component enables the impact of crystal orientation to be minimized to achieve a circular nanorod profile with inclined sidewalls. These conditions were obtained for a small percentage of chlorine (Cl
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