[Th-P1-E] Topological Phases and Phase Transitions

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[Th-P1-E-04] Topological Phase Diagram of Mercury Cadmium Telluride Quantum Wells

Leonid S. Bovkun^1,2, Lena Fürst^1,2, Christopher Fuchs^1,2, Vladimir Marković^1,2, Maximilian Hofer^1,2, 〇Moritz Siebert^1,2, Christian Berger^1,2, Florian Bayer^1,2, Wouter Beugeling^1,2, Steffen Schreyeck^1,2, Hartmut Buhmann^1,2, Laurens W. Molenkamp^1,2, Tobias Kießling^1,2 (1. Physikalisches Inst. (EP3), Univ. of Würzburg (Germany), 2. Inst. for Toplogical Insulators, Würzburg (Germany))

We present a magnetooptical study of the topological phase transition of ∼10nm thick Hg1-xCdxTe quantum wells pseudomorphically strained to CdTe with varying x, employing k·p modeling to establish the topological phase diagram in dependence on x, and quantum well thickness.