Vapour Liquid Solid Growth Effects on InGaN Epilayers Composition Uniformity in Presence of Metal Droplets

We investigated the composition uniformity of InGaN epilayers in presence of metal droplets on the surface. We used Plasma Assisted MBE to grow an InGaN sample partially covered by metal droplets and performed structural and compositional analysis. The results showed a marked difference in indium in...

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Detalles Bibliográficos
Autores principales: Azadmand, Mani, Vichi, Stefano, Cesura, Federico Guido, Bietti, Sergio, Chrastina, Daniel, Bonera, Emiliano, Vanacore, Giovanni Maria, Tsukamoto, Shiro, Sanguinetti, Stefano
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9659302/
https://www.ncbi.nlm.nih.gov/pubmed/36364662
http://dx.doi.org/10.3390/nano12213887
Descripción
Sumario:We investigated the composition uniformity of InGaN epilayers in presence of metal droplets on the surface. We used Plasma Assisted MBE to grow an InGaN sample partially covered by metal droplets and performed structural and compositional analysis. The results showed a marked difference in indium incorporation between the region under the droplets and between them. Based on this observation we proposed a theoretical model able to explain the results by taking into account the vapour liquid solid growth that takes place under the droplet by direct impingement of nitrogen adatoms.

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