2016年3月17日 · This analysis points to a non-negligible role of the Coulomb repulsive interaction in superconducting 2H-TaS 2, characterized by a predominant Ta 5d orbital character at the Fermi level.

2024年6月26日 · The layered 2H–TaS 2 represents a rich family of 2DAC hosting systems with intriguing superconductivity that are highly sensitive to the structural, charge or spin modulation 25,26,27.

1992年10月1日 · The layered compound 2H-TaS 2 is one of the typical materials which lead to charge density waves. However, much less information is available on the superconducting properties of this compound. The Meissner effect in 2H-TaS 2 was studied systematically with special emphasis on

2024年9月25日 · This study uses an advanced computational suite for electronic-structure calculations to investigate the superconducting properties of two-dimensional (2D) materials 2H-TaS2 and 2H-TaSe2. These materials' electronic structure, phonon dispersion, and electron-phonon interactions were comprehensively analyzed to understand their superconducting ...

2022年7月20日 · Here we report a substantial enhancement of the superconducting Tc to 3.4 K for 2H-TaS2 in the monolayer limit, compared to 0.8 K in the bulk. In addn., the transport signature of a CDW phase transition vanishes in the two-dimensional limit.

2021年5月3日 · Here, we probe the CDW phase transition by the mechanical resonances of suspended 2H-TaS2 and 2H-TaSe2 membranes and study the effect of disorder on the CDW state. Pristine flakes show the transition near the reported values of 75 K and 122 K respectively.

2021年7月22日 · Mutual twisting of the exfoliated 2H-TaS 2 flakes leads to the redistribution of charge density induced by interlayer interaction of the individual nanosheets. External light irradiation on the...

2024年12月3日 · In this study, the cointercalation of Mg and H into the transition-metal chalcogenide TaS 2 was utilized to obtain bulk polycrystalline Mg x H y TaS 2. Introduced H can be extracted via postannealing at approximately 400 °C without altering the crystal structure.

2024年7月23日 · Here, we show a simple method for enhancing the superconducting transition in tens-of-nanometers thick 2H-TaS 2 crystals contacted by gold electrodes through in situ intercalation. Our approach enables measuring the electrical characteristics of the same flake before and after intercalation, permitting us to precisely identify the effect of the ...

该工作中所报道的利用CVD法合成的高质量二维金属性2H-TaS 2 是最接近理想模型的二维材料体系，既可以实现电荷密度波、超导等新奇物性的探索，也可以作为有可能替代贵金属Pt的新型非金属催化剂，实现高效的电催化析氢应用。