Domain wall induced spin-polarized flat bands in antiferromagnetic topological insulators

Autor: Petrov, Evgeniy K., Men'shov, Vladimir N., Rusinov, Igor P., Hoffmann, Martin, Ernst, Arthur, Otrokov, Mikhail M., Dugaev, Vitalii K., Menshchikova, Tatiana V., Chulkov, Evgueni V.

Publikováno v: Phys. Rev. B 103, 235142 (2021)

A flat band in fermionic system is a dispersionless single-particle state with a diverging effective mass and nearly zero group velocity. These flat bands are expected to support exotic properties in the ground state, which might be important for a w

Externí odkaz: http://arxiv.org/abs/2001.06433

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Superlattices of Gadolinium and Bismuth Based Thallium Dichalcogenides as Potential Magnetic Topological Insulators.

Autor: Vyazovskaya AY; Laboratory of Nanostructured Surfaces and Coatings, Tomsk State University, Tomsk 634050, Russia.; Laboratory of Electronic and Spin Structure of Nanosystems, St. Petersburg State University, St. Petersburg 198504, Russia., Petrov EK; Laboratory of Nanostructured Surfaces and Coatings, Tomsk State University, Tomsk 634050, Russia.; Laboratory of Electronic and Spin Structure of Nanosystems, St. Petersburg State University, St. Petersburg 198504, Russia., Koroteev YM; Laboratory of Electronic and Spin Structure of Nanosystems, St. Petersburg State University, St. Petersburg 198504, Russia.; Institute of Strength Physics and Materials Science, Tomsk 634021, Russia., Bosnar M; Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Basque Country, Spain.; Departamento de Polímeros y Materiales Avanzados: Física, Química y Tecnología, Facultad de Ciencias Químicas, Universidad del País Vasco UPV/EHU, 20080 Donostia-San Sebastián, Basque Country, Spain., Silkin IV; Laboratory of Nanostructured Surfaces and Coatings, Tomsk State University, Tomsk 634050, Russia., Chulkov EV; Laboratory of Electronic and Spin Structure of Nanosystems, St. Petersburg State University, St. Petersburg 198504, Russia.; Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Basque Country, Spain.; Departamento de Polímeros y Materiales Avanzados: Física, Química y Tecnología, Facultad de Ciencias Químicas, Universidad del País Vasco UPV/EHU, 20080 Donostia-San Sebastián, Basque Country, Spain., Otrokov MM; Centro de Física de Materiales (CFM-MPC), Centro Mixto CSIC-UPV/EHU, 20018 Donostia-San Sebastián, Basque Country, Spain.; IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Basque Country, Spain.

Publikováno v: Nanomaterials (Basel, Switzerland) [Nanomaterials (Basel)] 2022 Dec 22; Vol. 13 (1). Date of Electronic Publication: 2022 Dec 22.