Photoexcited Free Carrier Dynamics in Bi2Se3, (Bi0.75In0.25)2Se3, and (Bi0.50In0.50)2Se3: From Topological to Band Insulator
| Autor: | Zhengtianye Wang, Lyubov V. Titova, Kateryna Kushnir, Teng Shi, Stephanie Law |
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| Rok vydání: | 2020 |
| Předmět: |
Condensed Matter::Quantum Gases
Materials science Condensed matter physics Insulator (electricity) 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Free carrier Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Terahertz spectroscopy and technology 010309 optics Condensed Matter::Materials Science Topological insulator 0103 physical sciences Condensed Matter::Strongly Correlated Electrons Electrical and Electronic Engineering 0210 nano-technology Biotechnology |
| Zdroj: | ACS Photonics. 7:2778-2786 |
| ISSN: | 2330-4022 |
| DOI: | 10.1021/acsphotonics.0c00928 |
| Popis: | Replacing some Bi by In in Bi2Se3 transforms it from a topological insulator to a band insulator. Here, we have used time-resolved terahertz spectroscopy to investigate photoexcited carrier dynamic... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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