Abstract

We present a comparative angle resolved photoelectron spectroscopy (ARPES) study on Bi2Se3 and BiSbTe1.25Se1.75. Dirac like surface state bands (SSB) and effects of band bending (BB) are observed in both the compounds. The BB effects are more pronounced in BiSbTe1.25Se1.75 in comparison to Bi2Se3.

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