Temperature evolution of topological surface states in bismuth selenide thin films studied using terahertz spectroscopy

Temperature evolution of topological surface states in bismuth selenide thin films studied using terahertz spectroscopy

We have measured the terahertz (THz) conductance of a 23 quintuple layer thick film of bismuth selenide (Bi2Se3) and found signatures for topological surface states (TSSs) below 50 K. We provide evidence for a topological phase transition as a function of lattice temperature by optical means. In thi...

Bibliografske podrobnosti
Main Authors:	Kamboj, V, Singh, A, Beere, H, Hesjedal, T, Barnes, C, Ritchie, D
Format:	Conference item
Izdano:	SPIE 2017

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