Atomic-scale study of type-II Dirac semimetal PtTe2 surface
Entidad
UAM. Departamento de Física de la Materia CondensadaEditor
IOP PublishingFecha de edición
2022-09-30Cita
10.1088/2515-7639/ac92a8
Journal of Physics - Materials 5.4 (2022): 044003
ISSN
2515-7639 (online)DOI
10.1088/2515-7639/ac92a8Proyecto
Gobierno de España. PGC2018-093291-B-I00; Gobierno de España. PGC2018-097028–A–I00; Gobierno de España. PGC2018-098613–B–C21; Gobierno de España. CEX2020-001039-S; Gobierno de España. CEX2018-000805-MVersión del editor
https://doi.org/10.1088/2515-7639/ac92a8Materias
Density-Functional-Theory; Dichalcogenides; Dirac Semimetal; Interference Map; Quasiparticles; Transition Metal Dichalcogenides; FísicaDerechos
© 2022 The Author(s)Resumen
Dirac semimetals (DSM) host linear bulk bands and topologically protected surface states, giving rise to exotic and robust properties. Platinum ditelluride (PtTe2) belongs to this interesting group of topological materials. Here, we employ scanning tunneling microscopy (STM) in combination with first-principles calculations to visualize and identify the native defects at the surface of a freshly cleaved PtTe2 crystal. Around these defects, short-wavelength electron density oscillations are observed. Fourier transform analysis of the energy-dependent quasiparticle interference patterns is in good agreement with our calculated joint density of states, demonstrating the singular properties of the surface of this type-II DSM. Our results evidence the power of STM in understanding the surface of topological materials
Lista de ficheros
Google Scholar:Casado Aguilar, Pablo
-
Calleja, Fabian
-
Kuo, Chia-Nung
-
Lue, Chin Shan
-
Ghosh, Barun
-
Agarwal, Amit
-
Politano, Antonio
-
López Vázquez de Parga, Amadeo
-
Miranda Soriano, Rodolfo
-
Silva-Guillén, Jose Angel
-
Garnica Alonso, Manuela
Lista de colecciones del ítem
Registros relacionados
Mostrando ítems relacionados por título, autor, creador y materia.