2015年11月9日 · In this work, we demonstrate very high in-plane upper critical fields induced by spin–momentum locking in superconducting monolayers of group-V TMD niobium diselenide (NbSe 2). This was achieved...

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。

2015年7月20日 · Here we use terahertz Raman spectroscopy (down to 8 cm −1 Raman shift) to determine the CDW transition temperature TCDW in few-layer NbSe 2 by measuring the temperature dependence of both the...

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...

2007年9月1日 · Here, we present a magnetic and electric characterization of NbSe 2 single crystals. The resulting superconducting parameters will allow a reliable analysis of the FD measured above TC. The NbSe 2 single crystals used in this work were synthesized by chemical transport method.

2024年1月5日 · NbSe 2, a transition metal dichalcogenide (TMD) superconductor, has been a subject of intense investigation over the past several decades. (10−14) This compound undergoes a charge density wave (CDW) transition at TCDW ∼ 40 K and a superconducting transition at Tc ∼ 7.5 K. (11) Understanding the interplay between these two phase transitions has b...

2H-NbSe2 is superconductor with Tc ~7.2K and a Charge Density Waves (CDW) system with Tcdw of ~33K. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. 2H NbSe2 belongs to the …

2025年2月7日 · Herein, we introduce a novel threshold switching device with low energy consumption, fairly high uniformity and endurance based on the native oxidized 2D NbSe 2 material, where the oxidation product is Nb 2 O 5. This oxide exhibits high resistivity to further reduce the leakage current.

1973年11月5日 · NbSe2, an anisotropic type II superconductor with a Tc - 7 K, appears to be the most extensively studied. Recently the anisotropy of Hc2 at 4.2 K [ 1 ] and the GinzburgLandau parameters near Tc [2, 3] have been studied, and preliminary measurements at high magnetic fields have been presented [4].

2024年6月25日 · Here, based on the Migdal-Eliashberg theory and the mean-field Bogoliubov-de Gennes Hamiltonian, we demonstrate a significant enhancement of Ising superconductivity in monolayer NbSe 2 through surface fluorination, as evidenced by concomitant improvements in Tc and Bc2. This enhancement arises from three predominant factors.