Fig. 2 | Nature Communications

Fig. 2

From: Observation of ultrahigh mobility surface states in a topological crystalline insulator by infrared spectroscopy

Fig. 2

IR reflectance spectra in magnetic fields. a, b Reflectance spectra R(ω, B) in several magnetic fields at T~4.5 K. For clarity the spectra in b are displaced from one another by 0.01 with the spectrum at B = 17.5 T shown at its actual value. The gray area around 175 meV is the energy range in which no data can be obtained due to the absorption of the optical window in our setup

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