
High-quality monolayer superconductor NbSe2 grown by …
2017年8月30日 · Atomic-resolution scanning transmission electron microscope imaging reveals the atomic structure of the intrinsic point defects and grain boundaries in monolayer NbSe 2, and confirms the low...
Electronic state of NbSe2 investigated by STM/STS
2003年5月1日 · We found a close correlation between residual resistivity ratio (RRR) and the resistive anomaly at the CDW transition, namely, RRR increases when the resistive anomaly becomes clearer. Topographic images at 4.4 K show 3×3 CDW superposed on …
Transport properties of 2H-NbSe2: Effect of Ga-intercalation
2010年2月1日 · We have calculated residual resistance ratio (RRR) ∼66.7 and 13 for 2H-NbSe 2 single crystal and polycrystalline pellet respectively by using the formula ρ 300 /ρ Ts where ρ Ts is the resistivity at T s for superconducting compound.
Experimental investigation on the crystal structure and ...
2025年1月1日 · We report the structural and superconducting properties of Ge-intercalated 2H–NbSe 2 polycrystals. Ge x NbSe 2 samples with nominal 0 ≤ x ≤ 0.1 crystallize in the space group P 6 3 / mmc with Ge disorderedly occupying the interlayer Se 6 octahedral interstices.
Orbital Fulde–Ferrell–Larkin–Ovchinnikov state in an Ising ...
2023年5月24日 · We prepare multilayer NbSe 2 flakes covered by hexagonal boron nitride flakes to ensure high-quality transport with a large residual resistivity ratio (RRR), which is on par with bulk single ...
一个月两篇Nature子刊,PPMS助力NbSe2超导特性新研究! - 知乎
NbSe2材料减薄到单层极限时,可以获得二维Ising超导性,虽然面内上临界场显著提升,但超导转变温度却有所下降,仅有0.9-3.7K,也就是说单层NbSe2 Ising超导性的获得是以牺牲其他重要性质为代价的。
Three-dimensional networks of superconducting NbSe2 flakes …
2021年3月17日 · Scalable selenization methods are tailored to create 3D superconducting networks in which 2D NbSe 2 flakes are vertically aligned to the substrates. The angle-resolved magneto-transports reveal...
Magnetoresistance and Hall Effect of Two-Dimensional 2H-NbSe2
2005年1月30日 · Single crystals of two-dimensional 2H-NbSe2, which undergo superconducting transition at Tc=7.1K and charge-density wave (CDW) transition at TCDW=30K, were synthesized. The resistance residual...
Electronic state of NbSe 2 investigated by STM/STS
2003年5月1日 · We found a close correlation between residual resistivity ratio (RRR) and the resistive anomaly at the CDW transition, namely, RRR increases when the resistive anomaly becomes clearer....
Superconductivity in two-dimensional NbSe2 field effect
2013年11月12日 · We describe investigations of superconductivity in few molecular layer NbSe 2 field effect transistors. While devices fabricated from NbSe 2 flakes less than eight molecular layers thick did not conduct, thicker flakes were superconducting with an onset Tc that was only slightly depressed from the bulk value for 2H-NbSe 2 (7.2 K).