NbS2 (2H Niobium Disulfide)

2H NbS2 Niobium Disulfide NbS2 (2H phase) is a metal, a superconductor with a Tc ~6K and a charge density waves (CDW) system. Note that NbS2 also exists in the 3R-NbS2 phase (for the 3R phase NbS2 click here) The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. NbS2 belongs to the group-V transition metal dichalcogenides (TMDC). To buy NbS2 crystals please click here.

The 2H NbS2 crystals produced at HQ Graphene have a typical lateral size of ~0.2 cm, trigonal/hexagonal shaped and have a metallic appearance. More information about the NbS2 crystals we sell can be found below.


2H NbS2 crystal properties
Crystal size ~2 mm
Electrical properties metal?, superconductor (Tc~6K), charge density waves (CDW) system.
Crystal structure hexagonal
Unit cell parameters a = b = 0.332 nm, c = 1.197 nm, α = β = 90, γ = 120°
Type Synthetic
Purity >99.995 %
Characterized by XRD, Raman, EDX
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The single crystal 2H NbS2 is characterized using:

XRD: single crystal and powder X-ray diffraction (D8 Venture Bruker and D8 Advance Bruker)
EDX: Energy-dispersive X-ray spectroscopy for stoichiometric analysis
Raman: 785 nm Raman system

Raman, XRD and EDX on 2H NbS2:

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X-ray diffraction on a single crystal 2H-NbS2 aligned along the (001) plane. XRD diffraction was performed at room temperature using a D8 Venture Bruker. The 4 XRD peaks correspond, from left to right, to (00l) with l = 2, 4, 6, 8

Powder X-ray diffraction (XRD) of a single crystal 2H-NbS2. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.





HQ Graphene Wiki on:

2H NbS2 (Niobium disulfide)


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HQ Graphene is a company registered in The Netherlands, Europe under the number KVK 59652233.

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