6 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. ... high-purity Nb and Se were ...

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...

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...

2024年12月1日 · By utilizing the liquid phase exfoliation technique, NbSe 2 nanosheets was transformed into a nonlinear optical modulation device, marking its inaugural use in 2 µm solid-state pulse lasers for the first time. In the current study, we studied the electronic structure and optical properties of NbSe 2 through density functional theory (DFT).

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.

2018年4月13日 · By contrast, we show a new growth pattern for bismuth monolayers on NbSe 2. We find that the initial growth of Bi can form a strongly bonded commensurate layer, resulting in a compressively strained two-dimensional (2D) triangular lattice. We also observed unique pattern of 1D ripples and domain walls is observed.

2022年10月1日 · 4-layer NbSe 2 is grown by molecular beam epitaxy with a Nb-rich stoichiometry. Scanning tunneling microscopy and band structure calculations confirm metallic nature of samples. Thermoelectric transport properties are measured and compared with bulk sample and theory.

2024年10月17日 · In this letter, we adopted an organic cation intercalation technique to modulate the interlayer interaction of NbSe 2 by expanding the interlayer distance, thereby making intercalated NbSe 2 behave similarly to monolayer NbSe 2.

2023年1月20日 · Here we report superconductively tunable NbSe 2 grown by a two-step vapor deposition method. By optimizing the sputtering conditions, superconducting NbSe 2 films were prepared from highly crystalline Nb films.

2021年10月7日 · We fabricated thin film Nb/Au/NbSe 2 hybrid Josephson junctions by a dry transfer technique with only a single lithography step in the process. A thin Au layer is deposited on Nb to prevent oxidation during the fabrication process. The superconducting van der Waals (vdW) material NbSe 2 is placed on top of the Nb/Au layer. Electrical transport ...