Figure 8 | Scientific Reports

Figure 8

From: Temperature-dependent optical constants of monolayer \({\text {MoS}}_2\), \({\text {MoSe}}_2\), \({\text {WS}}_2\), and \({\text {WSe}}_2\): spectroscopic ellipsometry and first-principles calculations

Figure 8

(a) The calculated refractive index n of monolayer TMDs. (b) Refractive index n and extinction coefficient k as a function of wavelength in dipole oscillator model with multiple resonances. The solid line with arrow in (b) indicates the increasing temperature. (c) n as a function of band gap wavelength \(\lambda _g\).

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