Xiaoyue He

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We present a study on surface states of topological insulator (Bi 1-x Sbx)2Te3 by imaging quasiparticle interference patterns (QPI) using low temperature scanning tunneling microscope. Besides the topological Dirac state, we observed another surface state with chiral spin texture within the conduction band range. The quasiparticle scattering in this state(More)
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