Niobium diselenide - Wikipedia
Niobium diselenide or niobium (IV) selenide is a layered transition metal dichalcogenide with formula NbSe2. Niobium diselenide is a lubricant, and a superconductor at temperatures below 7.2 K that exhibit a charge density wave (CDW).
Nanoscale Phase Engineering of Niobium Diselenide
Here, we use low-temperature scanning tunneling microscopy (STM) for the structural and electronic phase engineering of the group V TMD niobium diselenide (NbSe 2). By applying voltage pulses with an STM tip, we can transform the material crystal phase locally from trigonal prismatic (2H) to octahedral (1T), as confirmed by the concomitant ...
Observation of a V -Shape Superconductivity Evolution on ...
2024年9月29日 · van der Waals-layered niobium diselenide (NbSe 2) intercalated by d -electron transition metals is an ideal test bed for the exploration of their diversiform evolution of ground states.
Multiple mechanisms of the low temperature photoresponse in ...
2021年11月29日 · Niobium diselenide (NbSe 2) is a layered transition metal dichalcogenide with novel quantum phases at low temperatures (T) such as superconductivity and charge density wave order.
Observation of Anisotropic Second Harmonic Generation in Two ...
2024年5月2日 · The intrinsic anisotropy of NbSe 2 provides a favorable prerequisite of second harmonic generation (SHG) and rich possibilities for tailoring its nonlinear optical (NLO) properties. Here we report the highly efficient SHG of mechanically exfoliated NbSe 2 flakes.
Niobium Diselenide Nanosheets: An Emerging Biodegradable ...
2022年9月27日 · As a prominent class of 2D transition metal dichalcogenides (TMDCs), niobium diselenide nanosheets (NbSe 2 NSs) have garnered tremendous interest on account of promising applications pertaining to optoelectronics and energy storage.
Ultrasensitive molecular sensing of few-layer niobium diselenide
Developing non-noble-metal-based materials with an excellent surface-enhanced Raman scattering (SERS) effect is indispensable for cost-effective, fast and nondestructive detection of trace amounts of molecules.
Here, we use low-temperature scanning tunneling microscopy (STM) for the structural and electronic phase-engineering of the group-V TMD niobium diselenide (NbSe2).
Ferromagnetic Superconductivity in Two-dimensional Niobium ...
2023年6月11日 · Here, we show that atomically-thin niobium diselenide (NbSe 2) intercalated with dilute cobalt atoms spontaneously displays ferromagnetism below the superconducting transition temperature (Tc).
Niobium diselenide superconducting photodetectors | Applied ...
2019年6月27日 · We report the photoresponse of niobium diselenide (NbSe 2), a transition metal dichalcogenide which exhibits superconducting properties down to a single layer. Devices are built by using micromechanically cleaved 2–10 layers and tested under current bias using nano-optical mapping in the 350 mK–5 K range, where they are found to be ...