Crystal polarity discrimination in GaN nanowires on graphene. Issue 31 (20th July 2021)

• Record Type: Journal Article
• Authors: Pavlov, Alexander; Mozharov, Alexey; Berdnikov, Yury; Barbier, Camille; Harmand, Jean-Christophe; Tchernycheva, Maria; Polozkov, Roman; Mukhin, Ivan
• Is Part Of: Journal of materials chemistry. Volume 9:Issue 31(2021)
• Page Start: 9997
• Page End: 10004
• Publication Date: 2021-07-20
• Subjects: Materials -- Periodicals; Chemistry, Analytic -- Periodicals; Optical materials -- Research -- Periodicals; Electronics -- Materials -- Research -- Periodicals; 543.0284
• DOI: 10.1039/d1tc02710g
• Languages: English
• ISSNs: 2050-7526

Abstract

Abstract : We present experimental data and computational analysis of the formation of GaN nanowires on graphene virtual substrates. Abstract : We present experimental data and computational analysis of the formation of GaN nanowires on graphene virtual substrates. We show that GaN nanowires on graphene exhibit nitrogen polarity. We employ the DFT-based computational analysis to demonstrate that among different possible configurations of Ga and N atoms only the N-polar one is stable. We suggest that polarity discrimination occurs due to the dipole interaction between the GaN nanocrystal and π-orbitals of the graphene sheet.