Evidence of β-antimonene at the Sb/Bi2Se3 interface

R Flammini; S Colonna; C Hogan; S K Mahatha; M Papagno; A Barla; P M Sheverdyaeva; P Moras; Z S Aliev; M B Babanly; E V Chulkov; C Carbone; F Ronci

doi:10.1088/1361-6528/aaa2c4

Evidence of β-antimonene at the Sb/Bi₂Se₃ interface

Nanotechnology. 2018 Feb 9;29(6):065704. doi: 10.1088/1361-6528/aaa2c4.

Authors

R Flammini¹, S Colonna, C Hogan, S K Mahatha, M Papagno, A Barla, P M Sheverdyaeva, P Moras, Z S Aliev, M B Babanly, E V Chulkov, C Carbone, F Ronci

Affiliation

¹ Istituto di Struttura della Materia-CNR (ISM-CNR), Via del Fosso del Cavaliere 100, I-00133 Roma, Italy.

PMID: 29320369
DOI: 10.1088/1361-6528/aaa2c4

Abstract

We report a study of the interface between antimony and the prototypical topological insulator Bi₂Se₃. Scanning tunnelling microscopy measurements show the presence of ordered domains displaying a perfect lattice match with bismuth selenide. Density functional theory calculations of the most stable atomic configurations demonstrate that the ordered domains can be attributed to stacks of β-antimonene.