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Figure 1

From: Temperature-dependent excitonic superfluid plasma frequency evolution in an excitonic insulator, Ta2NiSe5

Figure 1

Anisotropic reflectance spectra of Ta2NiSe5 along a- and c- axes. The measured reflectance spectra of Ta2NiSe5 along the a- and c-axes are displayed in (A) and (B) respectively. The spectra were recorded at selected temperatures ranging from 9 to 350 K. The crystal structure of Ta2NiSe5 is shown in the inset of (A), while the measured dc resistivity of ac-plane of Ta2NiSe5 is depicted in the inset of (B).

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