Abstract

We present ultrafast terahertz dynamics in topological insulator (Bi1-xInx)2Se3. We find that photogenerated electrons suppress the increase of scattering at high temperature. The surface-bulk interaction strongly depends on the dynamic condition of topological phase transition.

© 2014 Optical Society of America

PDF Article
This paper was not presented at the conference

More Like This
Ultrafast Carrier Dynamics in (Bi1-xInx)2Se3 Thin Films: From Topological to Band Insulator

Kateryna Kushnir, Teng Shi, Zhengtianye Wang, Stephanie Law, and Lyubov Titova
SW4F.5 CLEO: Science and Innovations (CLEO_SI) 2021

Terahertz dynamics of topological insulator Bi2Se3 : ultrafast photoexcitation suppresses hot-Dirac electron surface scattering

Sangwan Sim, Matthew Brahlek, Nikesh Koirala, Soonyoung Cha, Seongshik Oh, and Hyunyong Choi
FTh3C.7 CLEO: QELS_Fundamental Science (CLEO_QELS) 2014

Topologically tunable Fano resonance in (Bi1-xInx)2Se3

Sim Sangwan, Nikesh Koirala, Matthew Brahlek, Jun Park, Soonyoung Cha, Seongshik Oh, and Hyunyong Choi
FM3B.6 CLEO: QELS_Fundamental Science (CLEO_QELS) 2015

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription