Direct observation of melted Mott state evidenced from Raman scattering in 1T-TaS<sub>2</sub> single crystal<xref rid="cpb_27_1_017104fn1" ref-type="fn">*</xref> <fn id="cpb_27_1_017104fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 51771126 and 11774247), the Youth Foundation of Science and Technology Department of Sichuan Province, China (Grant No. 2016JQ0051), and the World First-Class University Construction Funding.</p> </fn>

Direct observation of melted Mott state evidenced from Raman scattering in 1T-TaS₂ single crystal* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 51771126 and 11774247), the Youth Foundation of Science and Technology Department of Sichuan Province, China (Grant No. 2016JQ0051), and the World First-Class University Construction Funding.

Hu Qing¹, Yin Cong¹, Zhang Leilei², Lei Li^{2, ‡}, Wang Zhengshang¹, Chen Zhiyu¹, Tang Jun^{1, 3}, Ang Ran^{1, 3, †}

(color online) (a) Crystal structure of 1T-TaS₂. (b) Commensurate CDW (CCDW) triangular superlattice. The black and red arrows indicate the lattice vectors of 1 × 1 and superstructure, respectively. (c), (d) Temperature dependence of in-plane resistivity (ρ_ab) and thermoelectric power S, respectively.