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Detection of extended surface electron states in topological crystalline insulators Pb1-xSnxSe using laser terahertz radiationдоклад на конференции
- Авторы: Egorova S.G., Chernichkin V.I., Ryabova L.I., Khokhlov D.R., Yashina L.V., Danilov S.N., Ganichev S.D., Skipetrov E.P.
- Международная Конференция (Симпозиум) : The 4th Russia-Japan-USA Symposium on Fundamental & Applied Problems of Terahertz Devices & Technologies
- Даты проведения конференции: 9-12 июня 2015
- Дата доклада: 9 июня 2015
- Тип доклада: Приглашенный
- Докладчик: Khokhlov D.R.
- Место проведения: Chernogolovka, Russia, Russia
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Аннотация доклада:
We suggest a method for detection of extended 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 extended surface electron states are present in Pb1-xSnxSe both in the inverse and direct electron energy spectrum.
- Добавил в систему: Хохлов Дмитрий Ремович