
Real-space anisotropy of the superconducting gap in the charge …
2022年1月14日 · In this paper, we present clear evidence of anisotropic superconductivity in NbSe 2 by measuring the tunneling density of states (DOS) with unprecedented resolution combined with state-of-the-art...
Monolayer 1T-NbSe2 as a 2D-correlated magnetic insulator
2021年11月19日 · We probe the electronic structure of monolayer 1T-NbSe 2 using scanning tunneling microscopy/spectroscopy (STM/STS). By combining our spectroscopic data with …
Nanoscale Phase Engineering of Niobium Diselenide
Visualization of the NbSe 2 crystal structure, atomic-resolution STM of pristine 2H-NbSe 2 at 77 and 4.5 K, NbSe 2 after STM-based nanostructuring, characterization of the 1T-CDW amplitude, and STM bias dependence of the 1D-CDW (PDF)
Characterization of collective ground states in single-layer NbSe2 ...
2015年11月2日 · Here we present an electronic characterization study of a single two-dimensional (2D) layer of NbSe 2 by means of low-temperature scanning tunnelling microscopy/spectroscopy (STM/STS),...
Electronic state of NbSe2 investigated by STM/STS
2003年5月1日 · Since charge-density wave (CDW) and superconductivity coexist in NbSe 2, it is interesting to examine the effects of CDW on the anisotropy. In this paper, we report the results of resistivity measurements and STM/STS on NbSe 2 with various RRR to examine this issue.
STM study of multiband superconductivity in NbSe2 using a ...
2004年5月1日 · In this work we present scanning tunneling microscopy and spectroscopy (STM/S) measurements on NbSe 2, in the temperature interval 0.3 K <T<7.2 K. We have used a home built STM, whose sample holder can move in a controlled way millimetric distances in the x - and y -directions.
Superconductivity controlled by twist angle in monolayer NbSe2 …
5 天之前 · Here we demonstrate that the superconducting gap of NbSe2 monolayers on graphene can be modified at specific momenta by changing the twist angle between the layers.
Visualizing the Charge Density Wave Transition in 2H-NbSe2 …
2013年7月8日 · We report the direct observation in real space of the charge density wave (CDW) phase transition in pristine 2H-NbSe2 using atomic-resolution scanning tunneling microscopy (STM). We find that static CDW order is established in nanoscale regions in the vicinity of defects at temperatures that are several times the bulk transition temperature Tcdw.
Two Characteristic Contributions to the Superconducting State of
2025年3月18日 · Small angle neutron scattering measurements of the form factor of the magnetic field in the vortex lattice of NbSe${}_{2}$ yield unambiguous evidence for two characteristic length scales for the vortex core-size, compatible with the existence of two bands with different superconducting gap values.
Proximity Effects on the Charge Density Wave Order and ...
2021年11月30日 · In this work, we investigate the impact of proximity effects on the CDW and superconducting states in single-layer (SL) NbSe 2 on four substrates of diverse nature, namely, bilayer graphene (BLG), SL-boron nitride (h-BN), Au (111), and bulk WSe 2.
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