Generation and Detection of THz Radiation by Antennas Based on Topological Insulators Bi2-xSbxTe3-ySey
2020
Using terahertz time-domain spectroscopy, thin films of topological insulators Bi 2-x Sb x Te 3-y Se y of various thicknesses and chemical compositions were studied. An increase in the power of THz wave radiation was demonstrated by applying an external electric field to electrodes deposited on a topological insulator. The possibility of detecting THz wave radiation using antennas based on topological insulators is being considered.
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