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Mastering the growth of antimonene on Bi2Se3: strategies and insights
Roberto Flammini, Conor Hogan, Stefano Colonna +13
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…
Molecular order induced charge transfer in a C-topological insulator moiré heterostructure
Ram Prakash Pandeya, Konstantin P. Shchukin, Yannic Falke +9
We synthesize and spectroscopically investigate monolayer C on the topological insulator (TI) BiTe. This C/BiTe heterostructure is characterized by ex…
Observation of Dirac-like surface state bands on the top surface of BiSe
H. Lohani, K. Majhi, R. Ganesan +5
Two quintuple layers of strong topological insulator Bi2Se3 are coupled by a Bi bilayer in BiSe crystal. We investigated its electronic structure using angle resolved photoelectron…
Magnetic Dirac semimetal state of (Mn,Ge)BiTe
Alexander S. Frolov, Dmitry Yu. Usachov, Artem V. Tarasov +13
For quantum electronics, the possibility to finely tune the properties of magnetic topological insulators (TIs) is a key issue. We studied solid solutions between two isostructural…
Origin and Quantitative Description of the NESSIAS Effect at Si Nanostructures
Dirk König, Michael Frentzen, Daniel Hiller +9
The electronic structure of low nanoscale (LNS) intrinsic silicon (i-Si) embedded in SiO2 vs. Si3N4 shifts away from vs. towards the vacuum level Evac, as described by the Nanoscal…
Electronic band structure in pristine and Sulfur-doped TaNiSe
Tanusree Saha, Luca Petaccia, Barbara Ressel +4
We present an angle-resolved photoemission study of the electronic band structure of the excitonic insulator TaNiSe, as well as its evolution upon Sulfur doping. Our experi…
Structural and electronic properties of the pure and stable elemental 3D topological Dirac semimetal -Sn
Ivan Madarevic, Umamahesh Thupakula, Gertjan Lippertz +10
In-plane compressively strained -Sn films have been theoretically predicted and experimentally proven to possess non-trivial electronic states of a 3D topological Dirac semimeta…
Prediction and observation of the first antiferromagnetic topological insulator
Mikhail M. Otrokov, Ilya I. Klimovskikh, Hendrik Bentmann +41
Magnetic topological insulators (MTIs) are narrow gap semiconductor materials that combine non-trivial band topology and magnetic order. Unlike their nonmagnetic counterparts, MTIs…
Synchrotron radiation induced magnetization in magnetically-doped and pristine topological insulators
A. M. Shikin, D. M. Sostina, A. A. Rybkina +14
Quantum mechanics postulates that any measurement influences the state of the investigated system. Here, by means of angle-, spin-, and time-resolved photoemission experiments and…