JVSS 2023

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Oral Presentation

[3Ga01-10] Surface Science(SS1) Physical Property

Thu. Nov 2, 2023 9:30 AM - 12:15 PM G: Room231 (3F)

Chair:Keisuke Sagisaka(National Institute for Materials Science), Kohei Tada(National Institute of Advanced Industrial Science and Technology)

11:45 AM - 12:00 PM

[3Ga09] Topological surface state of Bi-doped PbSb2Te4 hybridized with bulk states

*Keisuke Sagisaka1, Yuya Hattori1, Shunsuke Yoshizawa1, Yuki Tokumoto2, Keiichi Edagawa2 (1. National Institute for Materials Science, 2. Institute of Industrial Science, The University of Tokyo)

We hereby present both our experimental and theoretical findings from a comprehensive investigation into the topological surface state of Bi-doped PbSb2Te4. Our study demonstrates a compelling observation: a pronounced hybridization with the bulk states has significantly modified the morphology of the distorted Dirac cone.

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