Optical image of the surface of suspended bilayer WS₂ on a holey SiO₂/Si substrate. Selected for an Editors’ Suggestion.

From the article:

Room-Temperature Amplified Spontaneous Emission in Two-Dimensional ${\mathrm{WS}}_2$ beyond Exciton Mott Transition
Yan Xu, Yihan Xiang, Meng Shi, Baoxing Zhai, Wei Dai, Ti Wang, Xiaoze Liu, Yiling Yu, and Jun He
Phys. Rev. Lett. 134, 066904 (2025)

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