Extended Data Fig. 6: Optical characterization of device 2 at 1.7 K. | Nature Nanotechnology

Extended Data Fig. 6: Optical characterization of device 2 at 1.7 K.

From: Evidence of frustrated magnetic interactions in a Wigner–Mott insulator

Extended Data Fig. 6: Optical characterization of device 2 at 1.7 K.The alternative text for this image may have been generated using AI.

a, Filling-dependent reflectance contrast (RC) spectrum. Enhanced RC near the fundamental moiré exciton resonance of WSe2 is observed only at integer filling factors. The absence of the RC enhancement at 𝜈 = 1/3 and 2/3 supports the absence of these Wigner-Mott insulator states. b, Linecut of a at 1.673 eV.

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