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Terahertz Probing of Surface Electron States in Topological Crystalline Insulators Pb1-xSnxSeдоклад на конференции
- Авторы: Chernichkin V.I., Egorova S.G., Ryabova L.I., Khokhlov D.R., Yashina L.V., Danilov S.N., Ganichev S.D., Skipetrov E.P.
- Международная Конференция : 40th International Conference on Infrared, Millimeter and Terahertz Waves
- Даты проведения конференции: 23-29 августа 2015
- Дата доклада: 24 августа 2015
- Тип доклада: Устный
- Докладчик: Khokhlov D.R.
- Место проведения: Гонконг, Hong Kong
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Аннотация доклада:
We suggest a method for detection of highly conductive surface electron states including topological ones. The method is based on measurements of the photoelectromagnetic effect using terahertz laser pulses. In contrast to conventional transport measurements, the method is not sensitive to the bulk conductivity. The method is demonstrated on an example of topological crystalline insulators Pb1-xSnxSe. It is shown that highly conductive surface electron states are present in Pb1-xSnxSe both in the inverse and direct electron energy spectrum.
- Добавил в систему: Хохлов Дмитрий Ремович