1. Mastering the growth of antimonene on ▫$Bi_2Se_3$▫ : strategies and insightsRoberto Flammini, Conor Hogan, Stefano Colonna, Fabio Ronci, Mauro Satta, Marco Papagno, Ziya S. Aliev, Sergey V. Eremeev, Zipporah Rini Benher, Sandra Gardonio, 2025, original scientific article Abstract: Antimonene, the two-dimensional phase of antimony, appears in two distinct allotropes when epitaxially grown on Bi2Se3: the puckered asymmetric washboard (α) and buckled honeycomb (β) bilayer structures. As-deposited antimony films exhibit varying proportions of single α and β structures. We identify the conditions necessary for ordered, pure-phase growth of single to triple β-antimonene bilayers. Additionally, we determine their electronic structure, work function, and characteristic core-level binding energies, offering an explanation for the relatively large chemical shifts observed among the different phases. This study not only establishes a protocol for achieving a single β phase of antimonene but also provides key signatures for distinguishing between the different allotropes using standard spectroscopic and microscopic techniques.
Keywords: density functional theory, electronic band structure, topological insulators, work functions, scanning tunneling microscopy, atomic structure, antimony, angle-resolved photoemission spectroscopy, core level shifts
Published in RUNG: 20.03.2025; Views: 194; Downloads: 4
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3. The interface between Pt and ▫$Bi_2Se_3$▫ : instability and formation of a new ordered phaseMattia Fanetti, Katja Ferfolja, Sandra Gardonio, Matjaž Valant, 2024, original scientific article Keywords: topological insulator, platinum, interface, thin film, TEM, intermetallic
Published in RUNG: 28.01.2025; Views: 532; Downloads: 5
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5. Chemical interactions at the interface of Au on ▫$Bi_2 Se_3$▫ topological insulatorMatjaž Valant, Sandra Gardonio, Saul Estandia, Mattia Fanetti, Andrey Vladimirovich Matetskiy, Polina M. Sheverdyaeva, Paolo Moras, Vasiliki Tileli, 2024, original scientific article Published in RUNG: 01.10.2024; Views: 886; Downloads: 4
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7. Single crystal synthesis and surface electronic structure of Bi_{1.993}Cr_{0.007}Se_{3}Sandra Gardonio, Zipporah Rini Benher, Mattia Fanetti, Paolo Moras, Polina M. Sheverdyaeva, Matjaž Valant, 2024, original scientific article Keywords: topological insulators, magnetic atoms, crystal synthesis, formation of clusters, surface electronic structure
Published in RUNG: 21.08.2024; Views: 1223; Downloads: 8
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8. Initial oxidation of low index Mg surfaces investigated by SCLS and DFTZhe Xing, Mattia Fanetti, Sandra Gardonio, Elsebeth Schröder, Dmytro Orlov, 2024, original scientific article Keywords: oxidation mechanism, surface core level shift, density functional theory, surface reconstruction, magnesium oxidation
Published in RUNG: 25.07.2024; Views: 1467; Downloads: 6
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9. Silica-coated ▫$Bi2_Se_3$▫ topological insulator nanoparticles: preserving their optical properties and make them biocompatible : preserving their optical properties and make them biocompatibleBlaž Belec, Nina Kostevšek, Giulia Della Pelle, Sebastjan Nemec, Slavko Kralj, Martina Bergant Marušič, Sandra Gardonio, Mattia Fanetti, Matjaž Valant, 2023, published scientific conference contribution abstract Keywords: topological insulator, bismuth selenide, photo-thermal material, biocompatibility, nanoparticles
Published in RUNG: 19.10.2023; Views: 2105; Downloads: 4
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10. Giant and tunable out-of-plane spin polarization of topological antimonenePolina M. Sheverdyaeva, Conor Hogan, Gustav Bihlmayer, Jun Fujii, Ivana Vobornik, Matteo Jugovac, Asish K. Kundu, Sandra Gardonio, Zipporah Rini Benher, Giovanni di Santo, 2023, original scientific article Keywords: density functional theory, spin-resolved ARPES, electronic structure, topological insulators, 2D materials, antimonene
Published in RUNG: 18.07.2023; Views: 2424; Downloads: 5
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