Experimental evidence on the Altshuler-Aronov-Spivak interference of the topological surface states in the exfoliated Bi2Te3 nanoflakes
Qin, Yuyuan · Li, Zhaoguo · Song, Fengqi · Wang, Qianghua · Ding, Wangfeng · Wang, Xuefeng · Ding, Haifeng · Wang, Baigeng · Van Haesondonck, Chris · Wan, Jianguo · Han, Min · Zhang, Y. H. · Wang, Guanghou
Original · EN
Here we demonstrate the Altshuler-Aronov-Spivak (AAS) interference of the topological surface states on the exfoliated Bi2Te3 microflakes by a flux period of h/2e in their magnetoresistance oscillations and its weak field character. Both the osillations with the period of h/e and h/2e are observed. The h/2e-period AAS oscillation gradually dominates with increasing the sample widths and the temperatures. This reveals the transition of the Dirac Fermions' transport to the diffusive regime.
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