Induced spin texture in semiconductor/topological insulator heterostructures

Abstract

We show that a semiconductor thin film can acquire a non-trivial spin texture due to the proximity effect induced by a topological insulator. The effect stems from coupling to the topological surface states and is present even when the insulator is doped. We propose a semiconductor/topological insulator heterostructure as a device that allows measuring interface properties and probing surface states in uncompensated samples. We also find that the topological insulator surface modes can be significantly broadened and shifted by the presence of metallic contacts.

6 pages, 2 figures, published version

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Cited by in corpus (17)

• Proximity effect in graphene-topological insulator heterostructures
• Spin-transfer torque and spin-polarization in topological-insulator/ferromagnet vertical heterostructures
• Proximity band structure and spin textures on both sides of topological-insulator/ferromagnetic-metal interface and their transport probes
• Observation of perfect Andreev reflection due to Klein paradox in a topological superconducting state
• Local density of states in metal - topological superconductor hybrid systems
• Antiferromagnetic VdW Phase at the Interface of Sputtered Topological Insulator/Ferromagnet-Bi2Te3/Ni80Fe20 Heterostructures
• Electrostatic effects and band-bending in doped topological insulators
• Robustness of Topological Superconductivity in Proximity-Coupled Topological Insulator Nanoribbons
• Proximity Effects in Topological Insulator Heterostructures
• Using Topological Insulator Proximity to Generate Perfectly Conducting Channels in Materials without Topological Protection
• Topological Proximity Effects in Graphene Nanoribbon Heterostructures
• Effects of Crystalline Disorder on Interfacial and Magnetic Properties of Sputtered Topological Insulator/Ferromagnet Heterostructures
• Buried topological edge state associated with interface between topological band insulator and Mott insulator
• Pyridine intercalated Bi${}_2$Se${}_3$ heterostructures: controlling the topologically protected states
• Tuning the vertical location of helical surface states in topological insulator heterostructures via dual-proximity effects
• Spin-imbalance induced buried topological edge currents in Mott \& topological insulator heterostructures
• Realizing attractive interacting topological surface fermions: A resonating TI- thin film hybrid platform