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5 papers · 2 filters
Ultra-high mobility two-dimensional electron gas in a SiGe/Si/SiGe quantum well
M. Yu. Melnikov, A. A. Shashkin, V. T. Dolgopolov +3
We report the observation of an electron gas in a SiGe/Si/SiGe quantum well with maximum mobility up to 240 m^2/Vs, which is noticeably higher than previously reported results in s…
Topological phase transition and quantum spin Hall state in TlBiS
Bahadur Singh, Hsin Lin, R. Prasad +1
We have investigated the bulk and surface electronic structures and band topology of TlBiS as a function of strain and electric field using \textit{ab-initio} calculations. In…
Observation of Quantum-Tunneling Modulated Spin Texture in Ultrathin Topological Insulator Bi2Se3 Films
Madhab Neupane, Anthony Richardella, Jaime Sánchez-Barriga +18
Understanding the spin-texture behavior of boundary modes in ultrathin topological insulator films is critically essential for the design and fabrication of functional nano-devices…
Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators
Ilija Zeljkovic, Yoshinori Okada, Maksym Serbyn +12
The tunability of topological surface states (SS) and controllable opening of the Dirac gap are of fundamental and practical interest in the field of topological materials. In topo…
Quantum Coherent Transport in SnTe Topological Crystalline Insulator Thin Films
Badih A. Assaf, Ferhat Katmis, Peng Wei +6
Topological crystalline insulators (TCI) are unique systems where a band inversion that is protected by crystalline mirror symmetry leads to a multiplicity of topological surface s…